{
  "name": "set_history_limit",
  "wireName": "set_history_limit",
  "source": {
    "repo": "libtmux/libtmux-rs",
    "revision": "2cef1aa642182dd1970c3688feb6a568ff666e64",
    "extractedRevision": "2cef1aa642182dd1970c3688feb6a568ff666e64",
    "file": "crates/tmux-mcp/src/tools/contract.rs",
    "line": 895
  },
  "description": "Set the scrollback history limit for a session or its global default. From tmux 3.7 existing panes take it too, and lowering it discards their scrollback past the new limit. Delete tmux state; accepts no command payload.",
  "schemaStatus": "runtime",
  "inputSchema": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "additionalProperties": false,
    "properties": {
      "limit": {
        "description": "Lines of scrollback to keep per pane.",
        "minimum": 0,
        "type": "integer"
      },
      "session": {
        "description": "The session to change, by `$`-prefixed id or name. Omit to change the\nglobal default.",
        "type": [
          "string",
          "null"
        ]
      }
    },
    "required": [
      "limit"
    ],
    "type": "object"
  },
  "outputSchema": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "properties": {
      "name": {
        "type": "string"
      },
      "target": {
        "type": [
          "string",
          "null"
        ]
      },
      "value": {
        "type": "string"
      }
    },
    "required": [
      "name",
      "value"
    ],
    "type": "object"
  },
  "annotations": {
    "destructiveHint": true,
    "idempotentHint": true,
    "openWorldHint": false,
    "readOnlyHint": false,
    "title": "Set History Limit"
  },
  "meta": {
    "com.git-pull.libtmux-mcp/capability": {
      "amplifiesFutureInput": false,
      "inputLiteralization": {},
      "mayExposeSecrets": true,
      "mayReturnUntrustedContent": true,
      "nestedAuthority": [],
      "outputClasses": [
        "tmux-metadata"
      ],
      "processReach": "none",
      "tmuxEffects": [
        "change",
        "delete"
      ],
      "toolset": "teardown"
    }
  }
}