activate-workflow
Enable workflows by ID using compact JSON inputs to activate and manage n8n workflows securely via the MCP server for LLM integration.
Instructions
Activate a workflow by ID. This will enable the workflow to run. IMPORTANT: Arguments must be provided as compact, single-line JSON without whitespace or newlines.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| clientId | Yes | ||
| id | Yes |
Implementation Reference
- src/index.ts:1067-1096 (handler)The MCP tool execution handler for 'activate-workflow'. It validates the client exists, calls the N8nClient's activateWorkflow method, and returns the result or error.case "activate-workflow": { const { clientId, id } = args as { clientId: string; id: string }; const client = clients.get(clientId); if (!client) { return { content: [{ type: "text", text: "Client not initialized. Please run init-n8n first.", }], isError: true }; } try { const workflow = await client.activateWorkflow(id); return { content: [{ type: "text", text: `Successfully activated workflow:\n${JSON.stringify(workflow, null, 2)}`, }] }; } catch (error) { return { content: [{ type: "text", text: error instanceof Error ? error.message : "Unknown error occurred", }], isError: true }; }
- src/index.ts:192-196 (helper)N8nClient method that makes a POST request to the n8n API to activate a workflow by ID.async activateWorkflow(id: string): Promise<N8nWorkflow> { return this.makeRequest<N8nWorkflow>(`/workflows/${id}/activate`, { method: 'POST', }); }
- src/index.ts:486-492 (schema)Input schema definition for the 'activate-workflow' tool, specifying clientId and id as required string parameters.inputSchema: { type: "object", properties: { clientId: { type: "string" }, id: { type: "string" } }, required: ["clientId", "id"]
- src/index.ts:484-494 (registration)Tool registration in the ListTools response, including name, description, and input schema.name: "activate-workflow", description: "Activate a workflow by ID. This will enable the workflow to run. IMPORTANT: Arguments must be provided as compact, single-line JSON without whitespace or newlines.", inputSchema: { type: "object", properties: { clientId: { type: "string" }, id: { type: "string" } }, required: ["clientId", "id"] } },