# tmux_create Source: https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/ > Create a session, window in an exact session, or split an exact pane using argv. Opt-in mutation; 64 KiB total string bytes and at most 256 argv entries. Window/pane focus defaults false. Cwd/environment are optional; size is cells or percent. Assigned refs prove creation, not program readiness or completion. toolMCPv0.1.0.alpha.2 MCP concept example Maintained as a working example of core library usage and deployment. Example APIs, tools and configuration may change without a compatibility or product support commitment. [What concept means](https://libtmux.org/en/tmux/guides/concept-examples/) * **tmux_create**() tool\[[source](https://github.com/libtmux/libtmux-ruby/blob/dcc9f8b5a6970144a9e7d80cd5f381d8f6198372/gems/libtmux-mcp/lib/libtmux/mcp/catalog.rb#L245)][ΒΆ](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create) Create a session, window in an exact session, or split an exact pane using argv. Opt-in mutation; 64 KiB total string bytes and at most 256 argv entries. Window/pane focus defaults false. Cwd/environment are optional; size is cells or percent. Assigned refs prove creation, not program readiness or completion. * MCP request method `tools/call` Send `tmux_create` as the tool name, with the arguments below. * Tool selection Opt in with `--enable-tool tmux_create`. ## Arguments[#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.parameters) No named arguments. Matches exactly one variant. * [**Variant 1**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0) * additionalProperties `false` - [**argv**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fargv): [Array](https://json-schema.org/understanding-json-schema/reference/array "Array (JSON Schema)")<[string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)")> Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fargv) * minItems `1` * maxItems `256` - [**Items**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fargv%2Fitems): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fargv%2Fitems) * maxLength `65536` * pattern `"^[^\\u0000]*$"` - [**cwd**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fcwd): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fcwd) * minLength `1` * maxLength `65536` * pattern `"^[^\\u0000]*$"` - [**environment**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fenvironment): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fenvironment) * maxProperties `128` - [**Additional properties**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fenvironment%2FadditionalProperties): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fenvironment%2FadditionalProperties) * maxLength `65536` * pattern `"^[^\\u0000]*$"` - [**height**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fheight): [integer](https://json-schema.org/understanding-json-schema/reference/numeric "integer (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fheight) * minimum `1` * maximum `2147483647` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fkind): "session" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fkind) - [**name**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fname): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fname) * minLength `1` * maxLength `65536` * pattern `"^[^\\u0000]*$"` - [**width**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fwidth): [integer](https://json-schema.org/understanding-json-schema/reference/numeric "integer (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fwidth) * minimum `1` * maximum `2147483647` - [**window_name**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fwindow_name): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F0%2Fproperties%2Fwindow_name) * minLength `1` * maxLength `65536` * pattern `"^[^\\u0000]*$"` * [**Variant 2**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1) * additionalProperties `false` - [**argv**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fargv): [Array](https://json-schema.org/understanding-json-schema/reference/array "Array (JSON Schema)")<[string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)")> Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fargv) * minItems `1` * maxItems `256` - [**Items**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fargv%2Fitems): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fargv%2Fitems) * maxLength `65536` * pattern `"^[^\\u0000]*$"` - [**cwd**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fcwd): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fcwd) * minLength `1` * maxLength `65536` * pattern `"^[^\\u0000]*$"` - [**environment**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fenvironment): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fenvironment) * maxProperties `128` - [**Additional properties**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fenvironment%2FadditionalProperties): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fenvironment%2FadditionalProperties) * maxLength `65536` * pattern `"^[^\\u0000]*$"` - [**focus**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Ffocus): [boolean](https://json-schema.org/understanding-json-schema/reference/boolean "boolean (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Ffocus) - [**index**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Findex): [integer](https://json-schema.org/understanding-json-schema/reference/numeric "integer (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Findex) * minimum `0` * maximum `2147483647` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fkind): "window" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fkind) - [**name**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fname): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fname) * minLength `1` * maxLength `65536` * pattern `"^[^\\u0000]*$"` - [**parent**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fparent): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fparent) Matches exactly one variant. * [**Variant 1**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fparent%2FoneOf%2F0): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fparent%2FoneOf%2F0) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fparent%2FoneOf%2F0%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fparent%2FoneOf%2F0%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fparent%2FoneOf%2F0%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fparent%2FoneOf%2F0%2Fproperties%2Fid) * maxLength `32` * pattern `"^\\$[0-9]+$"` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fparent%2FoneOf%2F0%2Fproperties%2Fkind): "session" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F1%2Fproperties%2Fparent%2FoneOf%2F0%2Fproperties%2Fkind) * [**Variant 3**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2) * additionalProperties `false` - [**argv**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fargv): [Array](https://json-schema.org/understanding-json-schema/reference/array "Array (JSON Schema)")<[string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)")> Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fargv) * minItems `1` * maxItems `256` - [**Items**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fargv%2Fitems): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fargv%2Fitems) * maxLength `65536` * pattern `"^[^\\u0000]*$"` - [**cwd**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fcwd): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fcwd) * minLength `1` * maxLength `65536` * pattern `"^[^\\u0000]*$"` - [**direction**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fdirection): "horizontal" | "vertical" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fdirection) - [**environment**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fenvironment): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fenvironment) * maxProperties `128` - [**Additional properties**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fenvironment%2FadditionalProperties): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fenvironment%2FadditionalProperties) * maxLength `65536` * pattern `"^[^\\u0000]*$"` - [**focus**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Ffocus): [boolean](https://json-schema.org/understanding-json-schema/reference/boolean "boolean (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Ffocus) - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fkind): "pane" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fkind) - [**parent**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fparent): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fparent) Matches exactly one variant. * [**Variant 1**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fparent%2FoneOf%2F0): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fparent%2FoneOf%2F0) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fparent%2FoneOf%2F0%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fparent%2FoneOf%2F0%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fparent%2FoneOf%2F0%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fparent%2FoneOf%2F0%2Fproperties%2Fid) * maxLength `32` * pattern `"^%[0-9]+$"` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fparent%2FoneOf%2F0%2Fproperties%2Fkind): "pane" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fparent%2FoneOf%2F0%2Fproperties%2Fkind) - [**size**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fsize): [integer](https://json-schema.org/understanding-json-schema/reference/numeric "integer (JSON Schema)") | [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fsize) Matches exactly one variant. * [**Variant 1**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fsize%2FoneOf%2F0): [integer](https://json-schema.org/understanding-json-schema/reference/numeric "integer (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fsize%2FoneOf%2F0) * minimum `1` * maximum `2147483647` * [**Variant 2**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fsize%2FoneOf%2F1): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.input%2FoneOf%2F2%2Fproperties%2Fsize%2FoneOf%2F1) * pattern `"^(?:[1-9][0-9]?|100)%$"` ## Result[#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.result) Returns [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") Matches exactly one variant. * [**Variant 1**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0) * additionalProperties `false` - [**data**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata) * additionalProperties `false` - [**created**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated): [Array](https://json-schema.org/understanding-json-schema/reference/array "Array (JSON Schema)")<[object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)")> Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated) * minItems `1` * maxItems `3` - [**Items**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems) Matches exactly one variant. * [**Variant 1**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0%2Fproperties%2Fid) * maxLength `32` * pattern `"^\\$[0-9]+$"` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0%2Fproperties%2Fkind): "session" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0%2Fproperties%2Fkind) * [**Variant 2**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1%2Fproperties%2Fid) * maxLength `32` * pattern `"^@[0-9]+$"` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1%2Fproperties%2Fkind): "window" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1%2Fproperties%2Fkind) * [**Variant 3**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2%2Fproperties%2Fid) * maxLength `32` * pattern `"^%[0-9]+$"` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2%2Fproperties%2Fkind): "pane" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2%2Fproperties%2Fkind) * [**Variant 4**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fid) * maxLength `32` * pattern `"^@[0-9]+$"` - [**index**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Findex): [integer](https://json-schema.org/understanding-json-schema/reference/numeric "integer (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Findex) * minimum `0` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fkind): "window_link" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fkind) - [**session_id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fsession_id): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fsession_id) * maxLength `32` * pattern `"^\\$[0-9]+$"` - [**delivery**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fdelivery): "observed" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fdelivery) - [**entity**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity) Matches exactly one variant. * [**Variant 1**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F0): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F0) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F0%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F0%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F0%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F0%2Fproperties%2Fid) * maxLength `32` * pattern `"^\\$[0-9]+$"` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F0%2Fproperties%2Fkind): "session" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F0%2Fproperties%2Fkind) * [**Variant 2**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F1): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F1) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F1%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F1%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F1%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F1%2Fproperties%2Fid) * maxLength `32` * pattern `"^@[0-9]+$"` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F1%2Fproperties%2Fkind): "window" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F1%2Fproperties%2Fkind) * [**Variant 3**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F2): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F2) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F2%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F2%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F2%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F2%2Fproperties%2Fid) * maxLength `32` * pattern `"^%[0-9]+$"` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F2%2Fproperties%2Fkind): "pane" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F2%2Fproperties%2Fkind) * [**Variant 4**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F3): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F3) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F3%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F3%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F3%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F3%2Fproperties%2Fid) * maxLength `32` * pattern `"^@[0-9]+$"` - [**index**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F3%2Fproperties%2Findex): [integer](https://json-schema.org/understanding-json-schema/reference/numeric "integer (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F3%2Fproperties%2Findex) * minimum `0` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F3%2Fproperties%2Fkind): "window_link" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F3%2Fproperties%2Fkind) - [**session_id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F3%2Fproperties%2Fsession_id): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fentity%2FoneOf%2F3%2Fproperties%2Fsession_id) * maxLength `32` * pattern `"^\\$[0-9]+$"` - [**program_completion**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fprogram_completion): "unobserved" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fdata%2Fproperties%2Fprogram_completion) - [**ok**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fok): true Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F0%2Fproperties%2Fok) * [**Variant 2**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1) * additionalProperties `false` - [**error**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror) * additionalProperties `false` - [**code**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Fcode): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Fcode) - [**delivery**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Fdelivery): "not_sent" | "possibly_sent" | "observed" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Fdelivery) - [**effects**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") Optional [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects) * additionalProperties `false` - [**created**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated): [Array](https://json-schema.org/understanding-json-schema/reference/array "Array (JSON Schema)")<[object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)")> Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated) * maxItems `3` - [**Items**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") | [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems) Matches exactly one variant. * [**Variant 1**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0%2Fproperties%2Fid) * maxLength `32` * pattern `"^\\$[0-9]+$"` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0%2Fproperties%2Fkind): "session" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F0%2Fproperties%2Fkind) * [**Variant 2**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1%2Fproperties%2Fid) * maxLength `32` * pattern `"^@[0-9]+$"` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1%2Fproperties%2Fkind): "window" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F1%2Fproperties%2Fkind) * [**Variant 3**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2%2Fproperties%2Fid) * maxLength `32` * pattern `"^%[0-9]+$"` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2%2Fproperties%2Fkind): "pane" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F2%2Fproperties%2Fkind) * [**Variant 4**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3): [object](https://json-schema.org/understanding-json-schema/reference/object "object (JSON Schema)") [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3) * additionalProperties `false` - [**generation**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fgeneration): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fgeneration) * minLength `1` * maxLength `128` - [**id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fid): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fid) * maxLength `32` * pattern `"^@[0-9]+$"` - [**index**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Findex): [integer](https://json-schema.org/understanding-json-schema/reference/numeric "integer (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Findex) * minimum `0` - [**kind**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fkind): "window_link" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fkind) - [**session_id**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fsession_id): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fcreated%2Fitems%2FoneOf%2F3%2Fproperties%2Fsession_id) * maxLength `32` * pattern `"^\\$[0-9]+$"` - [**state**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fstate): "none" | "known" | "unknown" Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Feffects%2Fproperties%2Fstate) - [**message**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Fmessage): [string](https://json-schema.org/understanding-json-schema/reference/string "string (JSON Schema)") Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Ferror%2Fproperties%2Fmessage) - [**ok**](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Fok): false Required [#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.output%2FoneOf%2F1%2Fproperties%2Fok) ## Annotations[#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.annotations) * [`destructiveHint`](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/reference/glossary/#destructiveHint) `true` * [`idempotentHint`](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/reference/glossary/#idempotentHint) `false` * [`openWorldHint`](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/reference/glossary/#openWorldHint) `false` * [`readOnlyHint`](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/reference/glossary/#readOnlyHint) `false` ## Protocol data[#](https://libtmux.org/en/ruby/v0.1.0.alpha.2/mcp/tools/tmux_create/#mcp.tool.tmux_create.schemas) Use the complete advertised contract for validation and client integration. Input schema ```json { "$schema": "https://json-schema.org/draft/2020-12/schema", "oneOf": [ { "additionalProperties": false, "properties": { "argv": { "items": { "maxLength": 65536, "pattern": "^[^\\u0000]*$", "type": "string" }, "maxItems": 256, "minItems": 1, "prefixItems": [ { "maxLength": 65536, "minLength": 1, "pattern": "^[^\\u0000]*$", "type": "string" } ], "type": "array" }, "cwd": { "maxLength": 65536, "minLength": 1, "pattern": "^[^\\u0000]*$", "type": "string" }, "environment": { "additionalProperties": { "maxLength": 65536, "pattern": "^[^\\u0000]*$", "type": "string" }, "maxProperties": 128, "propertyNames": { "pattern": "^[A-Za-z_][A-Za-z0-9_]*$" }, "type": "object" }, "height": { "maximum": 2147483647, "minimum": 1, "type": "integer" }, "kind": { "const": "session" }, "name": { "maxLength": 65536, "minLength": 1, "pattern": "^[^\\u0000]*$", "type": "string" }, "width": { "maximum": 2147483647, "minimum": 1, "type": "integer" }, "window_name": { "maxLength": 65536, "minLength": 1, "pattern": "^[^\\u0000]*$", "type": "string" } }, "required": [ "kind", "name", "argv" ], "type": "object" }, { "additionalProperties": false, "properties": { "argv": { "items": { "maxLength": 65536, "pattern": "^[^\\u0000]*$", "type": "string" }, "maxItems": 256, "minItems": 1, "prefixItems": [ { "maxLength": 65536, "minLength": 1, "pattern": "^[^\\u0000]*$", "type": "string" } ], "type": "array" }, "cwd": { "maxLength": 65536, "minLength": 1, "pattern": "^[^\\u0000]*$", "type": "string" }, "environment": { "additionalProperties": { "maxLength": 65536, "pattern": "^[^\\u0000]*$", "type": "string" }, "maxProperties": 128, "propertyNames": { "pattern": "^[A-Za-z_][A-Za-z0-9_]*$" }, "type": "object" }, "focus": { "type": "boolean" }, "index": { "maximum": 2147483647, "minimum": 0, "type": "integer" }, "kind": { "const": "window" }, "name": { "maxLength": 65536, "minLength": 1, "pattern": "^[^\\u0000]*$", "type": "string" }, "parent": { "oneOf": [ { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^\\$[0-9]+$", "type": "string" }, "kind": { "const": "session" } }, "required": [ "generation", "kind", "id" ], "type": "object" } ] } }, "required": [ "kind", "parent", "name", "argv" ], "type": "object" }, { "additionalProperties": false, "properties": { "argv": { "items": { "maxLength": 65536, "pattern": "^[^\\u0000]*$", "type": "string" }, "maxItems": 256, "minItems": 1, "prefixItems": [ { "maxLength": 65536, "minLength": 1, "pattern": "^[^\\u0000]*$", "type": "string" } ], "type": "array" }, "cwd": { "maxLength": 65536, "minLength": 1, "pattern": "^[^\\u0000]*$", "type": "string" }, "direction": { "enum": [ "horizontal", "vertical" ] }, "environment": { "additionalProperties": { "maxLength": 65536, "pattern": "^[^\\u0000]*$", "type": "string" }, "maxProperties": 128, "propertyNames": { "pattern": "^[A-Za-z_][A-Za-z0-9_]*$" }, "type": "object" }, "focus": { "type": "boolean" }, "kind": { "const": "pane" }, "parent": { "oneOf": [ { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^%[0-9]+$", "type": "string" }, "kind": { "const": "pane" } }, "required": [ "generation", "kind", "id" ], "type": "object" } ] }, "size": { "oneOf": [ { "maximum": 2147483647, "minimum": 1, "type": "integer" }, { "pattern": "^(?:[1-9][0-9]?|100)%$", "type": "string" } ] } }, "required": [ "kind", "parent", "direction", "argv" ], "type": "object" } ], "type": "object" } ``` Output schema ```json { "$schema": "https://json-schema.org/draft/2020-12/schema", "oneOf": [ { "additionalProperties": false, "properties": { "data": { "additionalProperties": false, "properties": { "created": { "items": { "oneOf": [ { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^\\$[0-9]+$", "type": "string" }, "kind": { "const": "session" } }, "required": [ "generation", "kind", "id" ], "type": "object" }, { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^@[0-9]+$", "type": "string" }, "kind": { "const": "window" } }, "required": [ "generation", "kind", "id" ], "type": "object" }, { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^%[0-9]+$", "type": "string" }, "kind": { "const": "pane" } }, "required": [ "generation", "kind", "id" ], "type": "object" }, { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^@[0-9]+$", "type": "string" }, "index": { "minimum": 0, "type": "integer" }, "kind": { "const": "window_link" }, "session_id": { "maxLength": 32, "pattern": "^\\$[0-9]+$", "type": "string" } }, "required": [ "generation", "kind", "id", "session_id", "index" ], "type": "object" } ] }, "maxItems": 3, "minItems": 1, "type": "array" }, "delivery": { "const": "observed" }, "entity": { "oneOf": [ { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^\\$[0-9]+$", "type": "string" }, "kind": { "const": "session" } }, "required": [ "generation", "kind", "id" ], "type": "object" }, { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^@[0-9]+$", "type": "string" }, "kind": { "const": "window" } }, "required": [ "generation", "kind", "id" ], "type": "object" }, { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^%[0-9]+$", "type": "string" }, "kind": { "const": "pane" } }, "required": [ "generation", "kind", "id" ], "type": "object" }, { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^@[0-9]+$", "type": "string" }, "index": { "minimum": 0, "type": "integer" }, "kind": { "const": "window_link" }, "session_id": { "maxLength": 32, "pattern": "^\\$[0-9]+$", "type": "string" } }, "required": [ "generation", "kind", "id", "session_id", "index" ], "type": "object" } ] }, "program_completion": { "const": "unobserved" } }, "required": [ "entity", "created", "delivery", "program_completion" ], "type": "object" }, "ok": { "const": true } }, "required": [ "ok", "data" ], "type": "object" }, { "additionalProperties": false, "properties": { "error": { "additionalProperties": false, "properties": { "code": { "type": "string" }, "delivery": { "enum": [ "not_sent", "possibly_sent", "observed" ] }, "effects": { "additionalProperties": false, "properties": { "created": { "items": { "oneOf": [ { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^\\$[0-9]+$", "type": "string" }, "kind": { "const": "session" } }, "required": [ "generation", "kind", "id" ], "type": "object" }, { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^@[0-9]+$", "type": "string" }, "kind": { "const": "window" } }, "required": [ "generation", "kind", "id" ], "type": "object" }, { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^%[0-9]+$", "type": "string" }, "kind": { "const": "pane" } }, "required": [ "generation", "kind", "id" ], "type": "object" }, { "additionalProperties": false, "properties": { "generation": { "maxLength": 128, "minLength": 1, "type": "string" }, "id": { "maxLength": 32, "pattern": "^@[0-9]+$", "type": "string" }, "index": { "minimum": 0, "type": "integer" }, "kind": { "const": "window_link" }, "session_id": { "maxLength": 32, "pattern": "^\\$[0-9]+$", "type": "string" } }, "required": [ "generation", "kind", "id", "session_id", "index" ], "type": "object" } ] }, "maxItems": 3, "type": "array" }, "state": { "enum": [ "none", "known", "unknown" ] } }, "required": [ "state", "created" ], "type": "object" }, "message": { "type": "string" } }, "required": [ "code", "message", "delivery" ], "type": "object" }, "ok": { "const": false } }, "required": [ "ok", "error" ], "type": "object" } ], "type": "object" } ```