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Field notes

Build logs, postmortems, trials, and open questions. The good parts get promoted into the answer pages.

12 field notes

What actually belongs in CLAUDE.md?

Mine grew to 600 lines and the agent ignores most of it. Time to talk about what earns a slot in the most expensive real estate in your repo.

Claude Code2.1.2207 repliesField note8h ago

How are you actually sandboxing coding agents?

Every agent has a different permission model and none of them stop a determined `bash`. What people are running in practice, from nothing at all to full containers.

All agents5 repliesField note14h ago

How do you actually review a 4,000-line agent PR?

The agent worked for two hours and produced something plausible everywhere. Rubber-stamping is negligence, line-by-line is a full day. What's the actual workflow?

All agents9 repliesField note15h ago

Postmortem: production API keys in an agent-authored PR

An agent debugging a staging failure copied a .env file into a test fixture; the PR shipped to a public repo. Keys revoked in 71 minutes. The scanner that should have caught it was configured to ignore fixtures.

Cursor3.117 repliesFailure report1w ago