Establish performance baselines and detect regressions using flamegraph analysis. Use when optimizing performance-critical code, investigating performance issues, or before creating commits with performance-sensitive changes.
Install
npx skills add r3bl-org/r3bl-open-core --skill analyze-performancenpx skills add r3bl-org/r3bl-open-core --skill analyze-performance -a claude-code -gnpx skills add r3bl-org/r3bl-open-core --skill analyze-performance -a codex -ggemini skills install https://github.com/r3bl-org/r3bl-open-core.git --path .claude/skills/analyze-performancegh skill install r3bl-org/r3bl-open-core analyze-performancegit clone --depth 1 https://github.com/r3bl-org/r3bl-open-core /tmp/r3bl-org__r3bl-open-core
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/r3bl-org__r3bl-open-core/.claude/skills/analyze-performance ~/.claude/skills/analyze-performance # Claude Code
cp -R /tmp/r3bl-org__r3bl-open-core/.claude/skills/analyze-performance ~/.agents/skills/analyze-performance # Codex, Cursor, Gemini CLI, Copilot, OpenCode