Claude’s new auto eval tool
4.14T1.5 sourcehamel.dev (Hamel Husain)
Source record
Published by hamel.dev (Hamel Husain) (T1.5 source). The original is at https://hamel.dev/blog/posts/claude-auto-evals/.
Pipeline notes
The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.
SummaryHamel Husain and Isaac Flath tested Anthropic's new Claude Code eval tooling (build_eval, hill-climb) on apartment-leasing conversation traces. They identified concrete problems: it suggests evals before users review data, and asks for judgment validation without sufficient context for inline annotation.
Why it mattersFirst-party Anthropic tooling is likely to be widely adopted; a hands-on critique from a recognized practitioner flags real workflow pitfalls and suggests better alternatives.

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