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Developer Tools Skills for Claude Code
Essential workflows for developers — debugging methodology, TDD, API integration, and engineering tooling.
About this collection
This collection gathers every developer tools skill we've evaluated for Claude Code and AI coding agents — 7 skills so far, each scored on the same six-dimension rubric: trigger quality, structure, workflow design, content, engineering, and security.
Every skill below is free and open source. Install any of them in one line with curl -fsSL https://skill123.me/install/<skill>.sh | bash, or open a skill's page to see its full scorecard, documentation, and all install methods before you download.
Looking for the shortlist? See the best Developer Tools skills — the top of this collection, ranked with written rationale.
claude-api
Developer Tools
Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, M…
9.8
baoyu-electron-extract
Developer Tools
Extracts resources and JavaScript from any installed Electron app (`.asar` bundle), restoring ori…
9.5
systematic-debugging
Developer Tools
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes
7.9
test-driven-development
Developer Tools
Use when implementing any feature or bugfix, before writing implementation code
9.1
hyperframes-cli
Video & Motion
HyperFrames CLI dev loop. Use when running npx hyperframes init, add, catalog, capture, lint, val…
9.7
archify
Developer Tools
Create polished, validated architecture, workflow, sequence, data-flow, and lifecycle/state diagr…
9.4
constraint-driven-development
Developer Tools
Establishes a project's quality bar as a written contract and stops agents quietly lowering it. I…
9.5