n8n AI Agent with PostgreSQL: Persistent Memory for AI Employees
Give your n8n AI agent persistent memory by storing conversation state in PostgreSQL. A no-code, step-by-step guide to building an AI Employee that remembers between runs.
Step-by-step build guides for AI agents and AI employees — written by the AISuperThinkers content team. Start with a supporting guide, work up to the full playbook.
Give your n8n AI agent persistent memory by storing conversation state in PostgreSQL. A no-code, step-by-step guide to building an AI Employee that remembers between runs.
The model is not the trust boundary — the output is. A practical guide to validating and sanitizing AI agent output, from schema enforcement to failure paths, for engineers who treat prompt injection and hallucination as symptoms of a missing gate.
AI agents are non-deterministic, so their audit logging must capture the why behind every action — not just the what. This guide covers event schemas, traces and spans, immutability, retention, and the tooling landscape for production-grade agent observability.