---
title: "Discussion on \"Three-tier memory for a parenting agent — without leaking one family's night into another's\" | Hashnode"
description: "Discussion on \"Three-tier memory for a parenting agent — without leaking one family's night into another's\". Vector search ignores tenant boundaries by default. Scoping AI agent memory safely with Postgres RLS + pgvector"
url: "https://hashnode.com/posts/three-tier-memory-for-a-parenting-agent-without-leaking-one-family-s-night-into-another-s/6a3a8fb55d5663dd76e68753"
---

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# [Three-tier memory for a parenting agent — without leaking one family's night into another's](https://virginiamwegahashnodedev.hashnode.dev/three-tier-memory-for-a-parenting-agent-without-leaking-one-family-s-night-into-another-s?utm_source=hashnode&utm_medium=feed)

Vector search ignores tenant boundaries by default. Scoping AI agent memory safely with Postgres RLS + pgvector

Jun 23 · 7 min read · virginiamwegahashnodedev.hashnode.dev  
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-   [#ai-agents](https://hashnode.com/tag/ai-agents)
-   [#postgresql](https://hashnode.com/tag/postgresql)
-   [#supabase](https://hashnode.com/tag/supabase)
-   [#multitenancy](https://hashnode.com/tag/multitenancy)
-   [#vector-database](https://hashnode.com/tag/vector-database)

## Written by

[Virginia Mwega](https://hashnode.com/@veemwega)

@veemwega · Nairobi,Kenya

  
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AI Developer Experience | OpenAI SDKs, AI API Integrations & LLM Observability

I build and document AI API integrations, test failure paths, and explore LLM observability and evaluation. I write about what breaks when AI meets real applications, how I investigate it, and what makes integrations easier for developers to use and trust.

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