activate-workflow
Enable an n8n workflow to run by providing its ID and client ID through the MCP server, allowing automated workflow activation.
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:1067-1097 (handler)MCP server tool handler for 'activate-workflow'. Retrieves N8nClient by clientId, calls client.activateWorkflow(id), formats and returns the workflow response 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${JSON.stringify(workflow, null, 2)}`, }] }; } catch (error) { return { content: [{ type: "text", text: error instanceof Error ? error.message : "Unknown error occurred", }], isError: true }; } } - src/index.ts:484-494 (schema)Input schema definition for the 'activate-workflow' tool, specifying clientId and id as required string parameters.
name: "activate-workflow", description: "Activate a workflow by ID. This will enable the workflow to run. IMPORTANT: Arguments must be provided as compact, single-line JSON without whitespace or newlines.", inputSchema: { type: "object", properties: { clientId: { type: "string" }, id: { type: "string" } }, required: ["clientId", "id"] } }, - src/index.ts:484-494 (registration)Registration of the 'activate-workflow' tool in the server's list of tools returned by ListToolsRequestSchema handler.
name: "activate-workflow", description: "Activate a workflow by ID. This will enable the workflow to run. IMPORTANT: Arguments must be provided as compact, single-line JSON without whitespace or newlines.", inputSchema: { type: "object", properties: { clientId: { type: "string" }, id: { type: "string" } }, required: ["clientId", "id"] } }, - src/index.ts:192-196 (helper)N8nClient helper method that performs the actual API call to activate a workflow by sending a POST request to `/workflows/${id}/activate`.
async activateWorkflow(id: string): Promise<N8nWorkflow> { return this.makeRequest<N8nWorkflow>(`/workflows/${id}/activate`, { method: 'POST', }); }