Install the mfw (Semgrep Malware Firewall) CLI via the curl|sh installer and walk the user through setup — trust store, PATH shims, shell integration, and the background daemon — asking questions at real decision points.
Install
npx skills add semgrep/guardian --skill install-mfwnpx skills add semgrep/guardian --skill install-mfw -a claude-code -gnpx skills add semgrep/guardian --skill install-mfw -a codex -ggemini skills install https://github.com/semgrep/guardian.git --path plugin/skills/install-mfwgh skill install semgrep/guardian install-mfwgit clone --depth 1 https://github.com/semgrep/guardian /tmp/semgrep__guardian
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/semgrep__guardian/plugin/skills/install-mfw ~/.claude/skills/install-mfw # Claude Code
cp -R /tmp/semgrep__guardian/plugin/skills/install-mfw ~/.agents/skills/install-mfw # Codex, Cursor, Gemini CLI, Copilot, OpenCode