Use when feature flag tests fail, flags need updating, understanding @gate pragmas, debugging channel-specific test failures, or adding new flags to React.
Install
npx skills add react/react --skill feature-flagsnpx skills add react/react --skill feature-flags -a claude-code -gnpx skills add react/react --skill feature-flags -a codex -ggemini skills install https://github.com/react/react.git --path .claude/skills/feature-flagsgh skill install react/react feature-flagsgit clone --depth 1 https://github.com/react/react /tmp/react__react
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/react__react/.claude/skills/feature-flags ~/.claude/skills/feature-flags # Claude Code
cp -R /tmp/react__react/.claude/skills/feature-flags ~/.agents/skills/feature-flags # Codex, Cursor, Gemini CLI, Copilot, OpenCode