Feature flags, A/B tests, and gradual rollouts with Vercel Flags, in any app or framework. Use whenever the user is planning, adding, or changing a feature flag, toggle, kill switch, experiment, percentage rollout, or targeting rule, or wants to gate or hide a feature for some users, even before a library or provider is chosen.
Install
npx skills add vercel/vercel-plugin --skill vercel-flagsnpx skills add vercel/vercel-plugin --skill vercel-flags -a claude-code -gnpx skills add vercel/vercel-plugin --skill vercel-flags -a codex -ggemini skills install https://github.com/vercel/vercel-plugin.git --path skills/vercel-flagsgh skill install vercel/vercel-plugin vercel-flagsgit clone --depth 1 https://github.com/vercel/vercel-plugin /tmp/vercel__vercel-plugin
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/vercel__vercel-plugin/skills/vercel-flags ~/.claude/skills/vercel-flags # Claude Code
cp -R /tmp/vercel__vercel-plugin/skills/vercel-flags ~/.agents/skills/vercel-flags # Codex, Cursor, Gemini CLI, Copilot, OpenCode