SkillsAdd

ciembor/agent-rules-books

working-effectively-with-legacy-code

Apply Michael Feathers-inspired legacy-code rules when changing hard-to-test code safely with characterization tests, seams, sprout methods, or wrap methods.

Trending #8609

Installation

$ npx skills add https://github.com/ciembor/agent-rules-books
View on skills.sh ↗ GitHub repository ↗

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Also in this package

Other skills from ciembor/agent-rules-books · top by installs.

npx skills add ciembor/agent-rules-books
a-philosophy-of-software-design 10 refactoring 10 clean-code 9 the-pragmatic-programmer 9 clean-architecture 9 code-complete 8 domain-driven-design 8 implementing-domain-driven-design 8 refactoring-guru 8 designing-data-intensive-applications 8

Browse all from ciembor/agent-rules-books

More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared