n8n MCP Server

Instructions

Implementation Reference

• src/tools/workflows.ts:119-130 (handler)

  The handler function for 'n8n_get_workflow' retrieves a workflow by ID and formats it for output.

    async (params: z.infer<typeof IdParamSchema>) => {
      const workflow = await get<N8nWorkflow>(`/workflows/${params.id}`);
      
      const nodeList = workflow.nodes.map(n => `  - ${n.name} (${n.type})`).join('\n');
      const text = `${formatWorkflow(workflow)}\n\n**Nodes (${workflow.nodes.length}):**\n${nodeList}`;
      
      return {
        content: [{ type: 'text', text }],
        structuredContent: workflow
      };
    }
  );

• src/tools/workflows.ts:94-118 (registration)

  Tool registration for 'n8n_get_workflow'.

    server.registerTool(
      'n8n_get_workflow',
      {
        title: 'Get n8n Workflow',
        description: `Get full details of a specific workflow including all nodes and connections.
  
  Args:
    - id (string): The workflow ID
  
  Returns:
    Complete workflow object with:
    - name, id, active status
    - nodes array with all node configurations
    - connections mapping
    - settings
    - tags
    - timestamps`,
        inputSchema: IdParamSchema,
        annotations: {
          readOnlyHint: true,
          destructiveHint: false,
          idempotentHint: true,
          openWorldHint: false
        }
      },