Add a user as a member to a seat with a specified role (ADMIN, READ_WRITE, or READ). Requires ADMIN role on the seat or SUPER_ADMIN.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
MCP session identifier (UUID). Initialize your session by sending a POST request to this endpoint with method: "initialize" in the JSON-RPC body, then reuse the same session ID for all subsequent tool requests.
Request body for seat_member_add