Building Nod With Vercel And Amazon Aurora PostgreSQL

Short summary

Nod is an approval API that requests human authorization via Slack or web before AI agents execute risky actions. The architecture uses Vercel for the frontend, AWS Lambda workers for async tasks, and Amazon Aurora PostgreSQL as the source of truth for approval states and audit logs. It demonstrates reliably combining serverless compute with relational databases for safety-critical autonomous workflows.

• •Approval API enables human sign-off via Slack/web before AI agents execute risky actions
• •Stack: Vercel (dashboard) + Lambda workers (notifications, callbacks, expiry) + Aurora (audit source-of-truth)
• •Pattern: serverless + relational database for safety-critical, auditable approval workflows

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