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Crabby

Show HN: Crabby – Claude Code skill that reviews code like the Rust compiler

34 AI Score
Show_hn other Added Apr 5, 2026

Details

Sector
other
Total Funding
$0
Last Round
$0

About

I built a Claude Code skill called crabby that makes Claude output diagnostics in rustc error format - severity codes, location arrows, causation spans, and a paste-able fix every time. The twist: Claude becomes Ferris the crab, grumpy and unimpressed, but technically precise.<p>The format works for code review, writing review, architecture, strategy - anything you submit. The &quot;writing review&quot; example tends to surprise people: it flags passive voice in a postmortem with the exact same error[W002] format as a SQL injection.<p><a href="https:&#x2F;&#x2F;github.com&#x2F;ekadetov&#x2F;crabby" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;ekadetov&#x2F;crabby</a>

AI Score Reasoning

Crabby is a clever UX innovation that applies the highly readable Rust compiler error format to general AI feedback, but it currently functions as a niche utility rather than a venture-scale business. It faces extreme platform dependency on Claude Code and lacks a defensible moat, as the core functionality is essentially a sophisticated prompt engineering wrapper.

Source

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