Using AI Agents with Persistent Memory at a New Job

Fazm Team··2 min read

Using AI Agents with Persistent Memory at a New Job

Starting a new job means learning a codebase, understanding team conventions, and building mental models of systems you have never seen. AI agents can accelerate this - but only if they remember what you learned yesterday.

The Memory Problem

Most AI agent sessions start from zero. You explain the project structure, the deployment process, the naming conventions. Next session, you explain it all again. At a new job where you are learning these things yourself, repeating context to your agent wastes the limited time you have to ramp up.

The Changelog Approach

Instead of relying on the agent to maintain its own memory, keep a running changelog file that the agent reads at the start of every session. This works better than chat history because you control what persists.

Structure it like a reverse-chronological log:

## 2026-03-18
- Auth service uses JWT with refresh tokens stored in Redis
- Deploy pipeline: PR merge -> GitHub Actions -> staging -> manual promote to prod
- Team uses conventional commits, PR titles must match

## 2026-03-17
- Monorepo with pnpm workspaces
- API is in /packages/api, frontend in /packages/web
- Database migrations use Drizzle ORM

Each day, add what you learned. The agent reads this file and instantly has the context of everything you have discovered so far.

Why This Beats Chat History

Chat history includes wrong turns, debugging tangents, and outdated information. A curated changelog contains only verified facts about the codebase. It is also useful for you - reviewing it reinforces your own learning.

Combine with CLAUDE.md

Put codebase-specific rules in CLAUDE.md and personal learning notes in your changelog. The agent gets both - project conventions plus your accumulated understanding. After a few weeks, your changelog becomes a genuine onboarding document that could help the next new hire.

Fazm is an open source macOS AI agent. Open source on GitHub.

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