n8n MCP Server

Instructions

Implementation Reference

• src/tools/credentials.ts:76-105 (handler)

  Implementation of the 'n8n_get_credential' tool handler.

    // ============ Get Credential ============
    server.registerTool(
      'n8n_get_credential',
      {
        title: 'Get n8n Credential',
        description: `Get details of a specific credential (without sensitive data).
  
  Args:
    - id (string): Credential ID
  
  Returns:
    Credential metadata (id, name, type, timestamps).
    ⚠️ Credential data/secrets are NOT returned for security.`,
        inputSchema: IdParamSchema,
        annotations: {
          readOnlyHint: true,
          destructiveHint: false,
          idempotentHint: true,
          openWorldHint: false
        }
      },
      async (params: z.infer<typeof IdParamSchema>) => {
        const credential = await get<N8nCredential>(`/credentials/${params.id}`);
        
        return {
          content: [{ type: 'text', text: formatCredential(credential) }],
          structuredContent: credential
        };
      }
    );