Yandex Tracker MCP

Instructions

Implementation Reference

• mcp_tracker/mcp/tools.py:104-120 (handler)

  The async handler function that implements the core logic of the queue_get_local_fields tool, calling the underlying queues_get_local_fields method.

  async def queue_get_local_fields(
      ctx: Context[Any, AppContext],
      queue_id: QueueID,
  ) -> list[LocalField]:
      if (
          settings.tracker_limit_queues
          and queue_id not in settings.tracker_limit_queues
      ):
          raise TrackerError(f"Queue `{queue_id}` not found or not allowed.")
  
      fields = (
          await ctx.request_context.lifespan_context.queues.queues_get_local_fields(
              queue_id,
              auth=get_yandex_auth(ctx),
          )
      )
      return fields

• mcp_tracker/mcp/server.py:166-166 (registration)

  The call to register_tools(settings, mcp) which defines and registers the queue_get_local_fields tool among others using @mcp.tool decorators.

  register_tools(settings, mcp)

• mcp_tracker/mcp/params.py:28-33 (schema)

  Type definition for the input parameter 'queue_id' using Pydantic Annotated with description, providing input schema validation.

  QueueID = Annotated[
      str,
      Field(
          description="Queue (Project ID) to search in, like 'SOMEPROJECT'",
      ),
  ]

• mcp_tracker/mcp/tools.py:101-103 (registration)

  The @mcp.tool decorator that registers the queue_get_local_fields function as an MCP tool with its description.

  @mcp.tool(
      description="Get local fields for a specific Yandex Tracker queue (queue-specific custom fields)"
  )