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 - [**meta_skilld**](https://github.com/Dicklesworthstone/meta_skilld) - Rust CLI for managing Claude Code skills: indexing, building, bundling, and sharing.
 - [**claude-cs**](https://github.com/nbashaw/claude-cs) - A Claude Code skill that helps you build custom customer support automation for your company.
 - [**design-engineer-auditor-package**](https://github.com/kylezantos/design-engineer-auditor-package) - A Claude Code skill for motion design audits, trained on Emil Kowalski, Jakub Krehel, and Jhey Tompkins.
+- [**IRON/OS**](https://luisandoin.gumroad.com/l/ironos) - A Claude skill for strength training: it interviews you once, writes a training programme you read and approve, then builds a single-file workout app you keep on your phone, and rewrites both when you tell it in plain words what changed. Paid, GBP 25 one-off, and needs a paid Claude plan.
 
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