# Quoting Geoffrey Huntley — retained record

> Retained news record from news:feed-3733c65b9abe07b4.

Canonical: https://highsignal.app/data/records/5a3af2b569cce296

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source: [news](https://highsignal.app/data/news) (news:feed-3733c65b9abe07b4)  published 2026-10-13 13:32 ingested 2026-10-24 10:07

[original source ↗](https://simonwillison.net/2026/Oct/13/geoffrey-huntley/)

## retained text



```
13th October 2026
If the agent isn't using my diagnostics library, I could introspect and update AGENTS.md, but there's still a delta, and it'll drift. Instead, I write a pre-commit hook that checks the git diff for direct calls to observability modules that bypass my diagnostics module. Boom: fail the commit, inject a prompt telling the agent to use the diagnostics library. All of a sudden it's ten out of ten.
— Geoffrey Huntley, nobody should type code by hand anymore. here's what's left.
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```



document fetched 2026-10-24 10:07 · canonical https://simonwillison.net/2026/Oct/13/geoffrey-huntley