Add A Claude Code command for Hypothesis blog post
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Liam-DeVoe
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Liam-DeVoe
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Oct 22, 2025
Zac-HD
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Oct 31, 2025
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| ## Failure modes | ||
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| We observed a few failure modes while developing `/hypothesis`. For example, AI models like to write strategies with unnecessary restrictions, like limiting the maximum length of a list even when the property should hold for all lengths of lists. We added explicit instructions in `/hypothesis` not to do this, though that doesn't appear to have fixed the problem entirely. |
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Seems fun to note here that many of our human users do the same thing - and docs don't stop them either 😅
Zac-HD
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Nov 1, 2025
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Includes a new
/hypothesiscommand, rewritten from the base/hypocommand in the paper to focus on test writing for long-term maintainers and developers, not immediate bug hunting. Based on an initial draft from @mmaaz-git (thanks!).I'm very unsure where the best place to host
hypothesis.mdis. I don't really want to do aclaudedir, because (at least at the moment) this is a generic AI command, as long as your framework implements claude-style tools. I've put it inagents, even though it's not really an agent, becauseagentsclearly communicates "ai". One idea is we host it as a static file onhypothesis.works, and figure out a more permanent place when the ecosystem settles down.cc other paper authors: @Zac-HD @mmaaz-git @carlini
BTW @carlini I've kept you as an author on this blog post because it discusses the paper, and you're an author there. But I spend about half the post talking about non-paper things, so if you don't want to be listed as endorsing that, just let me know and I can remove you. Just didn't want to take paper credit away. Quite happy to keep you as an author as well of course!