n8n MCP Server

Instructions

Implementation Reference

• src/tools/executions.ts:232-240 (handler)

  The handler function for the n8n_stop_execution tool, which calls the API endpoint to stop the specified execution.

    async (params: z.infer<typeof IdParamSchema>) => {
      const execution = await post<N8nExecution>(`/executions/${params.id}/stop`);
      
      return {
        content: [{ type: 'text', text: `🛑 Execution stopped.\n\n${formatExecution(execution)}` }],
        structuredContent: execution
      };
    }
  );

• src/tools/executions.ts:212-240 (registration)

  Registration block for the n8n_stop_execution tool.

    // ============ Stop Execution ============
    server.registerTool(
      'n8n_stop_execution',
      {
        title: 'Stop n8n Execution',
        description: `Stop a running execution.
  
  Args:
    - id (string): Execution ID to stop
  
  Returns:
    The stopped execution details.`,
        inputSchema: IdParamSchema,
        annotations: {
          readOnlyHint: false,
          destructiveHint: false,
          idempotentHint: true,
          openWorldHint: false
        }
      },
      async (params: z.infer<typeof IdParamSchema>) => {
        const execution = await post<N8nExecution>(`/executions/${params.id}/stop`);
        
        return {
          content: [{ type: 'text', text: `🛑 Execution stopped.\n\n${formatExecution(execution)}` }],
          structuredContent: execution
        };
      }
    );