Add user authentication to a Netlify site with @netlify/identity — signup/login/logout, Google/GitHub/GitLab/Bitbucket OAuth, server-side getUser() checks, role-based access control, and Identity event functions.
Install
npx skills add netlify/context-and-tools --skill netlify-identitynpx skills add netlify/context-and-tools --skill netlify-identity -a claude-code -gnpx skills add netlify/context-and-tools --skill netlify-identity -a codex -ggemini skills install https://github.com/netlify/context-and-tools.git --path skills/netlify-identitygh skill install netlify/context-and-tools netlify-identitygit clone --depth 1 https://github.com/netlify/context-and-tools /tmp/netlify__context-and-tools
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/netlify__context-and-tools/skills/netlify-identity ~/.claude/skills/netlify-identity # Claude Code
cp -R /tmp/netlify__context-and-tools/skills/netlify-identity ~/.agents/skills/netlify-identity # Codex, Cursor, Gemini CLI, Copilot, OpenCode