ServiceNow MCP Server

Instructions

Implementation Reference

• src/servicenow_mcp/tools/knowledge_base.py:454-512 (handler)

  Main handler function that performs the PATCH request to update the knowledge article in ServiceNow.
  def update_article( config: ServerConfig, auth_manager: AuthManager, params: UpdateArticleParams, ) -> ArticleResponse: """ Update an existing knowledge article. Args: config: Server configuration. auth_manager: Authentication manager. params: Parameters for updating the article. Returns: Response with the updated article details. """ api_url = f"{config.api_url}/table/kb_knowledge/{params.article_id}" # Build request data data = {} if params.title: data["short_description"] = params.title if params.text: data["text"] = params.text if params.short_description: data["short_description"] = params.short_description if params.category: data["kb_category"] = params.category if params.keywords: data["keywords"] = params.keywords # Make request try: response = requests.patch( api_url, json=data, headers=auth_manager.get_headers(), timeout=config.timeout, ) response.raise_for_status() result = response.json().get("result", {}) return ArticleResponse( success=True, message="Article updated successfully", article_id=params.article_id, article_title=result.get("short_description"), workflow_state=result.get("workflow_state"), ) except requests.RequestException as e: logger.error(f"Failed to update article: {e}") return ArticleResponse( success=False, message=f"Failed to update article: {str(e)}", )
• src/servicenow_mcp/tools/knowledge_base.py:61-70 (schema)

  Pydantic model defining the input schema/parameters for the update_article tool.
  class UpdateArticleParams(BaseModel): """Parameters for updating a knowledge article.""" article_id: str = Field(..., description="ID of the article to update") title: Optional[str] = Field(None, description="Updated title of the article") text: Optional[str] = Field(None, description="Updated main body text for the article") short_description: Optional[str] = Field(None, description="Updated short description") category: Optional[str] = Field(None, description="Updated category for the article") keywords: Optional[str] = Field(None, description="Updated keywords for search")
• src/servicenow_mcp/utils/tool_utils.py:690-695 (registration)

  Tool registration in get_tool_definitions() dictionary, specifying the handler function alias, input schema, description, and serialization method for MCP server.
  "update_article": ( update_article_tool, UpdateArticleParams, str, # Expects JSON string "Update an existing knowledge article", "json_dict", # Tool returns Pydantic model
• src/servicenow_mcp/tools/__init__.py:57-57 (registration)

  Import of update_article function from knowledge_base.py for exposure in tools module.
  update_article,
• src/servicenow_mcp/utils/tool_utils.py:177-178 (helper)

  Import alias for the update_article handler used in tool registration.
  update_article as update_article_tool, )