Developer Builds Claude Code Mods to Protect API Keys, Track Plans, and Catch Untested Code

A developer created four Claude Code mods addressing API key protection, plan progress tracking, untested code detection, and context usage monitoring, with 135 passing tests and up to 100× less overhead than traditional hooks.

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2026-10-30 11:00 · Towards Data Science
Claude Code Mods: Custom Hooks to Fix My Biggest AI Coding Frustrations

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