gemini_mcp

Instructions

Implementation Reference

• src/geminimcp/server.py:963-990 (handler)

  The list_sessions tool implementation in server.py, which registers the tool and defines the handler function to list active sessions from the bridge.

  @mcp.tool(
      name="list_sessions",
      annotations=ToolAnnotations(
          title="List Active Sessions",
          readOnlyHint=True,
          destructiveHint=False,
          idempotentHint=True,
          openWorldHint=False,
      ),
      description="List all active ACP sessions managed by the bridge. "
      "Shows workspace path, session ID, turn count, and model for each session.",
  )
  async def list_sessions() -> Dict[str, Any]:
      """List active sessions."""
      sessions = []
      for workspace, info in _bridge._sessions.items():
          sessions.append(
              {
                  "workspace": workspace,
                  "session_id": info["session_id"],
                  "turn_count": info["turn_count"],
                  "max_turns": _MAX_TURNS_PER_SESSION,
                  "model": info.get("actual_model", ""),
              }
          )
      return {
          "sessions": sessions,
          "count": len(sessions),