Use when understanding legacy or undocumented systems, creating documentation for existing code, or extracting specifications from implementations. Invoke for legacy analysis, code archaeology, undocumented features. Keywords: reverse engineering, code analysis, legacy, documentation, specification.
Install
npx skills add Jeffallan/claude-skills --skill spec-minernpx skills add Jeffallan/claude-skills --skill spec-miner -a claude-code -gnpx skills add Jeffallan/claude-skills --skill spec-miner -a codex -ggemini skills install https://github.com/Jeffallan/claude-skills.git --path skills/spec-minergh skill install Jeffallan/claude-skills spec-minergit clone --depth 1 https://github.com/Jeffallan/claude-skills /tmp/Jeffallan__claude-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/Jeffallan__claude-skills/skills/spec-miner ~/.claude/skills/spec-miner # Claude Code
cp -R /tmp/Jeffallan__claude-skills/skills/spec-miner ~/.agents/skills/spec-miner # Codex, Cursor, Gemini CLI, Copilot, OpenCode