# show_environment

Source: https://libtmux.org/en/ts/latest/mcp/tools/show_environment/

> Read the tmux environment; accepts no client-supplied executable input. Returned values may contain secrets. The environment tmux gives processes it starts, at server or session scope. This is what a new pane will inherit, not what a running one has.

MCP is in development

Server behavior and tool contracts may change. Tool availability depends on the server configuration.

Read the tmux environment; accepts no client-supplied executable input. Returned values may contain secrets. The environment tmux gives processes it starts, at server or session scope. This is what a new pane will inherit, not what a running one has.

[All TypeScript tools](https://libtmux.org/en/ts/latest/mcp/tools/) · [JSON](https://libtmux.org/en/ts/latest/mcp/tools/show_environment.json) · [Source](https://github.com/libtmux/libtmux-ts/blob/b3f338c1a21e614ebf0dd6d55aa36a60db816618/packages/mcp/src/tools/settings.ts#L199)

## Arguments

* `session` optional · string

  Session id ($1) or name. Omit for the server environment.

## Schemas

The schema defines required fields, nested values, defaults, and validation constraints.

Input schema

```json
{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "session": {
      "description": "Session id ($1) or name. Omit for the server environment.",
      "type": "string"
    }
  },
  "type": "object"
}
```

Output schema

```json
{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "complete": {
      "type": "boolean"
    },
    "environment": {
      "additionalProperties": {
        "type": [
          "string",
          "null"
        ]
      },
      "propertyNames": {
        "type": "string"
      },
      "type": "object"
    },
    "omittedEntries": {
      "maximum": 9007199254740991,
      "minimum": -9007199254740991,
      "type": "integer"
    }
  },
  "required": [
    "complete",
    "environment",
    "omittedEntries"
  ],
  "type": "object"
}
```

Tool annotations

```json
{
  "destructiveHint": true,
  "idempotentHint": false,
  "openWorldHint": true,
  "readOnlyHint": false
}
```