n8n MCP Server

Instructions

Implementation Reference

• src/tools/audit-utils.ts:164-179 (handler)

  The handler function for 'n8n_get_active_webhooks' that fetches active webhooks from the n8n API.

  async () => {
    const webhooks = await get<Array<{ webhookPath: string; method: string; workflowId: string; node: string }>>('/active-webhooks');
    
    const formatted = webhooks.map(wh => 
      `- **${wh.method}** \`${wh.webhookPath}\`\n  Workflow: ${wh.workflowId}, Node: ${wh.node}`
    ).join('\n\n');
    
    const text = webhooks.length > 0
      ? `**Active Webhooks (${webhooks.length})**\n\n${formatted}`
      : 'No active webhooks found.';
    
    return {
      content: [{ type: 'text', text }],
      structuredContent: { count: webhooks.length, webhooks }
    };
  }

• src/tools/audit-utils.ts:148-163 (registration)

  Registration of the 'n8n_get_active_webhooks' tool.

    server.registerTool(
      'n8n_get_active_webhooks',
      {
        title: 'Get Active Webhooks',
        description: `Get a list of all active webhooks in the n8n instance.
  
  Returns:
    List of active webhooks with their paths and associated workflows.`,
        inputSchema: EmptySchema,
        annotations: {
          readOnlyHint: true,
          destructiveHint: false,
          idempotentHint: true,
          openWorldHint: false
        }
      },