USCardForum MCP Server

Instructions

Fetch replies/posts made by a user in other topics.

Args:
    username: The user's handle
    offset: Pagination offset (0, 30, 60, ...)

Returns a list of UserAction objects with:
- topic_id: Which topic they replied to
- post_number: Their post number in that topic
- title: Topic title
- excerpt: Preview of their reply
- created_at: When they replied

Use this to:
- See a user's contributions across topics
- Find their data points and experiences
- Evaluate the quality of their participation

Paginate with offset in increments of 30.

Implementation Reference

• src/uscardforum/server_tools/users.py:86-118 (handler)

  The MCP tool handler for 'get_user_replies'. Decorated with @mcp.tool(), defines input schema via Annotated Fields, and delegates to the DiscourseClient for execution.

  @mcp.tool()
  def get_user_replies(
      username: Annotated[
          str,
          Field(description="The user's handle"),
      ],
      offset: Annotated[
          int | None,
          Field(default=None, description="Pagination offset (0, 30, 60, ...)"),
      ] = None,
  ) -> list[UserAction]:
      """
      Fetch replies/posts made by a user in other topics.
  
      Args:
          username: The user's handle
          offset: Pagination offset (0, 30, 60, ...)
  
      Returns a list of UserAction objects with:
      - topic_id: Which topic they replied to
      - post_number: Their post number in that topic
      - title: Topic title
      - excerpt: Preview of their reply
      - created_at: When they replied
  
      Use this to:
      - See a user's contributions across topics
      - Find their data points and experiences
      - Evaluate the quality of their participation
  
      Paginate with offset in increments of 30.
      """
      return get_client().get_user_replies(username, offset=offset)

• src/uscardforum/server_tools/__init__.py:37-47 (registration)

  Registration via import into server_tools __init__.py, exposing get_user_replies for use in the MCP server.

  from .users import (
      get_user_summary,
      get_user_topics,
      get_user_replies,
      get_user_actions,
      get_user_badges,
      get_user_following,
      get_user_followers,
      get_user_reactions,
      list_users_with_badge,
  )

• src/uscardforum/server.py:15-45 (registration)

  Top-level re-export of all tools including get_user_replies in the main server entrypoint.

  from uscardforum.server_tools import (
      analyze_user,
      bookmark_post,
      compare_cards,
      find_data_points,
      get_all_topic_posts,
      get_categories,
      get_current_session,
      get_hot_topics,
      get_new_topics,
      get_notifications,
      get_top_topics,
      get_topic_info,
      get_topic_posts,
      get_user_actions,
      get_user_badges,
      get_user_followers,
      get_user_following,
      get_user_reactions,
      get_user_replies,
      get_user_summary,
      get_user_topics,
      list_users_with_badge,
      login,
      research_topic,
      resource_categories,
      resource_hot_topics,
      resource_new_topics,
      search_forum,
      subscribe_topic,
  )

• src/uscardforum/api/users.py:112-127 (helper)

  Client-side API method implementing get_user_replies by calling get_user_actions with filter=5 (replies). Called by the DiscourseClient.

  def get_user_replies(
      self,
      username: str,
      offset: int | None = None,
  ) -> list[UserAction]:
      """Fetch user's replies.
  
      Args:
          username: User handle
          offset: Optional pagination offset
  
      Returns:
          List of reply action objects
      """
      return self.get_user_actions(username, filter=5, offset=offset)

• src/uscardforum/server_core.py:136-168 (helper)

  Shared helper get_client() that provides the DiscourseClient instance used by all MCP tools, including auto-login.

  def get_client() -> DiscourseClient:
      """Get or create the Discourse client instance."""
      global _client, _login_attempted
  
      if _client is None:
          base_url = os.environ.get("USCARDFORUM_URL", "https://www.uscardforum.com")
          timeout = float(os.environ.get("USCARDFORUM_TIMEOUT", "15.0"))
          _client = DiscourseClient(base_url=base_url, timeout_seconds=timeout)
  
          # Auto-login if credentials are provided
          if not _login_attempted:
              _login_attempted = True
              username = os.environ.get("NITAN_USERNAME")
              password = os.environ.get("NITAN_PASSWORD")
  
              if username and password:
                  try:
                      result = _client.login(username, password)
                      if result.success:
                          print(f"[uscardforum] Auto-login successful as '{result.username}'")
                      elif result.requires_2fa:
                          print(
                              "[uscardforum] Auto-login failed: 2FA required. Use login() tool with second_factor_token."
                          )
                      else:
                          print(
                              f"[uscardforum] Auto-login failed: {result.error or 'Unknown error'}"
                          )
                  except Exception as e:  # pragma: no cover - logging side effect
                      print(f"[uscardforum] Auto-login error: {e}")
  
      return _client