{
  "name": "get_session_info",
  "wireName": "get_session_info",
  "source": {
    "repo": "tmux-python/libtmux-mcp",
    "revision": "4daddc0dfca96c43bf521d818bf91564e1434760",
    "extractedRevision": "4daddc0dfca96c43bf521d818bf91564e1434760",
    "file": "src/libtmux_mcp/tools/session_tools.py",
    "line": 359
  },
  "description": "Return metadata for a single tmux session (ID, name, window count, activity).\n\nUse this instead of list_sessions + filter when you only need one\nsession's info. Resolves by session_id first; falls back to\nsession_name.",
  "schemaStatus": "runtime",
  "inputSchema": {
    "additionalProperties": false,
    "properties": {
      "session_id": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "null"
          }
        ],
        "default": null,
        "description": "Session ID (e.g. '$0')."
      },
      "session_name": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "null"
          }
        ],
        "default": null,
        "description": "Session name."
      },
      "socket_name": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "null"
          }
        ],
        "default": null,
        "description": "tmux socket name."
      }
    },
    "type": "object"
  },
  "outputSchema": {
    "description": "Serialized tmux session.",
    "properties": {
      "active_pane_id": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "null"
          }
        ],
        "default": null,
        "description": "Pane id (``%N``) of the session's active pane. Guaranteed non-None on ``create_session`` return (libtmux creates the session with one initial pane). May be None from ``list_sessions`` rows for sessions in transient teardown states where ``active_pane`` is unavailable."
      },
      "session_attached": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "null"
          }
        ],
        "default": null,
        "description": "Attached client count"
      },
      "session_created": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "null"
          }
        ],
        "default": null,
        "description": "Creation timestamp"
      },
      "session_id": {
        "description": "Session ID (e.g. '$1')",
        "type": "string"
      },
      "session_name": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "null"
          }
        ],
        "default": null,
        "description": "Session name"
      },
      "window_count": {
        "description": "Number of windows",
        "type": "integer"
      }
    },
    "required": [
      "session_id",
      "window_count"
    ],
    "type": "object"
  },
  "annotations": {
    "destructiveHint": true,
    "idempotentHint": false,
    "openWorldHint": true,
    "readOnlyHint": false
  },
  "meta": {
    "fastmcp": {
      "tags": [
        "inspect"
      ]
    }
  }
}