Wikipedia MCP Server

Instructions

Implementation Reference

• wikipedia_mcp/server.py:121-133 (handler)

  MCP tool handler for get_article, registered via @server.tool() decorator. Delegates to WikipediaClient.get_article and ensures dict return.

  @server.tool()
  def get_article(title: str) -> Dict[str, Any]:
      """
      Get the full content of a Wikipedia article.
  
      Returns a dictionary containing article details or an error message
      if retrieval fails.
      """
      logger.info(f"Tool: Getting article: {title}")
      article = wikipedia_client.get_article(title)
      # Ensure we always return a dictionary
      return article or {"title": title, "exists": False, "error": "Unknown error retrieving article"}

• wikipedia_mcp/wikipedia_client.py:580-619 (helper)

  Core implementation of get_article in WikipediaClient, fetches page using wikipediaapi, extracts summary, text, sections, categories, links.

  def get_article(self, title: str) -> Dict[str, Any]:
      """
      Get the full content of a Wikipedia article.
  
      Args:
          title: The title of the Wikipedia article.
  
      Returns:
          A dictionary containing the article information.
      """
      try:
          page = self.wiki.page(title)
  
          if not page.exists():
              return {"title": title, "exists": False, "error": "Page does not exist"}
  
          # Get sections
          sections = self._extract_sections(page.sections)
  
          # Get categories
          categories = [cat for cat in page.categories.keys()]
  
          # Get links
          links = [link for link in page.links.keys()]
  
          return {
              "title": page.title,
              "pageid": page.pageid,
              "summary": page.summary,
              "text": page.text,
              "url": page.fullurl,
              "sections": sections,
              "categories": categories,
              "links": links[:100],  # Limit to 100 links to avoid too much data
              "exists": True,
          }
      except Exception as e:
          logger.error(f"Error getting Wikipedia article: {e}")
          return {"title": title, "exists": False, "error": str(e)}

• wikipedia_mcp/server.py:121-121 (registration)

  The @server.tool() decorator registers the get_article function as an MCP tool.

  @server.tool()