update_article
Modify an existing ServiceNow knowledge article by updating its title, content, description, category, or keywords using the article ID.
Instructions
Update an existing knowledge article
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| article_id | Yes | ID of the article to update | |
| category | No | Updated category for the article | |
| keywords | No | Updated keywords for search | |
| short_description | No | Updated short description | |
| text | No | Updated main body text for the article. Field supports html formatting and wiki markup based on the article_type. HTML is the default. | |
| title | No | Updated title of the article |
Implementation Reference
- The core handler function that executes the logic to update a knowledge article via a PATCH request to the ServiceNow API.
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)}", ) - Pydantic BaseModel 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. Field supports html formatting and wiki markup based on the article_type. HTML is the default.") 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:736-742 (registration)Tool registration entry in get_tool_definitions() mapping the tool name to its handler, schema, return type, description, and serialization method.
"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)Re-export of the update_article function for convenient import from the tools package.
update_article, - src/servicenow_mcp/utils/tool_utils.py:176-177 (registration)Import of the update_article handler aliased as update_article_tool for use in tool registration.
from servicenow_mcp.tools.knowledge_base import ( update_article as update_article_tool,