Liveblocks

Instructions

Implementation Reference

• src/server.ts:162-173 (registration)

  Registration of the 'get-active-users' MCP tool, including input schema (roomId: string) and inline handler function that calls the Liveblocks API via getLiveblocks().getActiveUsers and formats response with callLiveblocksApi.

  server.tool(
    "get-active-users",
    "Get a Liveblocks room's active users",
    {
      roomId: z.string(),
    },
    async ({ roomId }, extra) => {
      return await callLiveblocksApi(
        getLiveblocks().getActiveUsers(roomId, { signal: extra.signal })
      );
    }
  );

• src/server.ts:168-172 (handler)

  The handler function executing the tool logic: fetches active users for the given roomId using Liveblocks client, wrapped in callLiveblocksApi for MCP response formatting.

  async ({ roomId }, extra) => {
    return await callLiveblocksApi(
      getLiveblocks().getActiveUsers(roomId, { signal: extra.signal })
    );
  }

• src/server.ts:165-167 (schema)

  Input schema for the tool: requires a roomId string.

  {
    roomId: z.string(),
  },