is_player_online

Instructions

Implementation Reference

• src/chess_mcp/server.py:113-125 (handler)

  The is_player_online async function decorated with @mcp.tool that makes an API request to the Chess.com 'player/{username}/is-online' endpoint.

  @mcp.tool(description="Check if a player is currently online on Chess.com")
  async def is_player_online(username: str) -> Dict[str, Any]:
      """
      Check if a player is currently online on Chess.com.
  
      Args:
          username: The Chess.com username
  
      Returns:
          Online status data
      """
      logger.info("Checking player online status", username=username)
      return await make_api_request(f"player/{username}/is-online")

• src/chess_mcp/server.py:113-113 (registration)

  The @mcp.tool decorator registers is_player_online as an MCP tool with FastMCP.

  @mcp.tool(description="Check if a player is currently online on Chess.com")

• src/chess_mcp/server.py:26-80 (helper)

  The make_api_request helper that is called by is_player_online to perform the actual HTTP GET request to the Chess.com API.

  async def make_api_request(
      endpoint: str,
      params: Optional[Dict[str, Any]] = None,
      accept_json: bool = True
  ) -> Union[Dict[str, Any], str]:
      """
      Make a request to the Chess.com API.
  
      Args:
          endpoint: The API endpoint to request
          params: Optional query parameters
          accept_json: Whether to accept JSON response (True) or PGN (False)
  
      Returns:
          JSON response as dict or text response as string
  
      Raises:
          httpx.HTTPError: If the request fails
      """
      url = f"{config.base_url}/{endpoint}"
      headers = {
          "accept": "application/json" if accept_json else "application/x-chess-pgn"
      }
  
      logger.debug(
          "Making API request",
          endpoint=endpoint,
          url=url,
          accept_json=accept_json,
          has_params=params is not None
      )
  
      async with httpx.AsyncClient() as client:
          try:
              response = await client.get(url, headers=headers, params=params or {})
              response.raise_for_status()
  
              if accept_json:
                  result = response.json()
                  logger.debug("API request successful", endpoint=endpoint, response_type="json")
                  return result
              else:
                  result = response.text
                  logger.debug("API request successful", endpoint=endpoint, response_type="text")
                  return result
  
          except httpx.HTTPError as e:
              logger.error(
                  "API request failed",
                  endpoint=endpoint,
                  url=url,
                  error=str(e),
                  error_type=type(e).__name__
              )
              raise