Apply project-specific security and privacy guardrails (auth, headers, rate limiting, logging). Use when touching authentication, request handling, metrics exposure, or anything that could leak sensitive data.
Install
npx skills add matt-riley/mjrwtf --skill security-basicsnpx skills add matt-riley/mjrwtf --skill security-basics -a claude-code -gnpx skills add matt-riley/mjrwtf --skill security-basics -a codex -ggemini skills install https://github.com/matt-riley/mjrwtf.git --path .github/skills/security-basicsgh skill install matt-riley/mjrwtf security-basicsgit clone --depth 1 https://github.com/matt-riley/mjrwtf /tmp/matt-riley__mjrwtf
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/matt-riley__mjrwtf/.github/skills/security-basics ~/.claude/skills/security-basics # Claude Code
cp -R /tmp/matt-riley__mjrwtf/.github/skills/security-basics ~/.agents/skills/security-basics # Codex, Cursor, Gemini CLI, Copilot, OpenCode