n8n MCP Server

Instructions

Implementation Reference

• src/tools/workflows.ts:272-280 (handler)

  Handler function for the n8n_activate_workflow tool.

    async (params: z.infer<typeof IdParamSchema>) => {
      const workflow = await post<N8nWorkflow>(`/workflows/${params.id}/activate`);
      
      return {
        content: [{ type: 'text', text: `✅ Workflow activated!\n\n${formatWorkflow(workflow)}` }],
        structuredContent: workflow
      };
    }
  );

• src/tools/workflows.ts:253-280 (registration)

  Tool registration for n8n_activate_workflow.

    server.registerTool(
      'n8n_activate_workflow',
      {
        title: 'Activate n8n Workflow',
        description: `Activate a workflow so it can run automatically based on its triggers.
  
  Args:
    - id (string): Workflow ID to activate
  
  Returns:
    The activated workflow.`,
        inputSchema: IdParamSchema,
        annotations: {
          readOnlyHint: false,
          destructiveHint: false,
          idempotentHint: true,
          openWorldHint: false
        }
      },
      async (params: z.infer<typeof IdParamSchema>) => {
        const workflow = await post<N8nWorkflow>(`/workflows/${params.id}/activate`);
        
        return {
          content: [{ type: 'text', text: `✅ Workflow activated!\n\n${formatWorkflow(workflow)}` }],
          structuredContent: workflow
        };
      }
    );