Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes - four-phase framework (root cause investigation, pattern analysis, hypothesis testing, implementation) that ensures understanding before attempting solutions
Install
npx skills add DYAI2025/Stoppclock-page --skill systematic-debuggingnpx skills add DYAI2025/Stoppclock-page --skill systematic-debugging -a claude-code -gnpx skills add DYAI2025/Stoppclock-page --skill systematic-debugging -a codex -ggemini skills install https://github.com/DYAI2025/Stoppclock-page.git --path stoppclock_speckit/.claude/commands/skills/systematic-debugginggh skill install DYAI2025/Stoppclock-page systematic-debugginggit clone --depth 1 https://github.com/DYAI2025/Stoppclock-page /tmp/DYAI2025__Stoppclock-page
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/DYAI2025__Stoppclock-page/stoppclock_speckit/.claude/commands/skills/systematic-debugging ~/.claude/skills/systematic-debugging # Claude Code
cp -R /tmp/DYAI2025__Stoppclock-page/stoppclock_speckit/.claude/commands/skills/systematic-debugging ~/.agents/skills/systematic-debugging # Codex, Cursor, Gemini CLI, Copilot, OpenCode