n8n MCP Server

Instructions

Implementation Reference

• src/tools/tags.ts:67-94 (handler)

  The 'n8n_get_tag' tool registration and handler implementation in 'src/tools/tags.ts'. It uses the 'IdParamSchema' to validate input and calls the 'get' service to retrieve tag details from n8n.

    server.registerTool(
      'n8n_get_tag',
      {
        title: 'Get n8n Tag',
        description: `Get details of a specific tag.
  
  Args:
    - id (string): Tag ID
  
  Returns:
    Tag details with id and name.`,
        inputSchema: IdParamSchema,
        annotations: {
          readOnlyHint: true,
          destructiveHint: false,
          idempotentHint: true,
          openWorldHint: false
        }
      },
      async (params: z.infer<typeof IdParamSchema>) => {
        const tag = await get<N8nTag>(`/tags/${params.id}`);
        
        return {
          content: [{ type: 'text', text: formatTag(tag) }],
          structuredContent: tag
        };
      }
    );