MCP
MCP Tasks Tutorial: Run Long-Running Tools Asynchronously with Polling and Approval
Build MCP Tasks for slow tools: return a task handle, poll tasks/get for progress, answer input_required approval, and fetch the result without blocking.
Human Approval
n8n
Fix n8n Wait Node Resume URL 401: Why the Signature Is Required and How to Pass It Through
Fix the n8n Wait node 401 on resume URLs: why the webhook-waiting signature is required, how to forward $execution.resumeUrl intact, and how to patch it.