Expert in building custom tools that solve your own problems first. The best products often start as personal tools - scratch your own itch, build for yourself, then discover others have the same itch. Covers rapid prototyping, local-first apps, CLI tools, scripts that grow into products, and the art of dogfooding. Use when: build a tool, personal tool, scratch my itch, solve my problem, CLI tool.
7.5
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Tools & Utilities
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Strong skill with clear methodology and practical examples for building personal tools. The description accurately reflects capabilities, and the content provides concrete code samples, decision matrices, and anti-patterns. Structure is good with logical flow from concept to implementation. However, some referenced sections in Sharp Edges appear incomplete (headings without content), and the novelty is moderate since personal tool building is a well-established practice that a CLI agent could handle with moderate token usage. The skill excels at providing opinionated frameworks (10-minute test, itch-to-tool process) that would genuinely help users avoid common pitfalls.
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