Inspect macOS signing, entitlements, and Gatekeeper issues. Use when diagnosing code signing, sandbox, hardened runtime, or trust failures.
Install
npx skills add openai/plugins --skill signing-entitlementsnpx skills add openai/plugins --skill signing-entitlements -a claude-code -gnpx skills add openai/plugins --skill signing-entitlements -a codex -ggemini skills install https://github.com/openai/plugins.git --path plugins/build-macos-apps/skills/signing-entitlementsgh skill install openai/plugins signing-entitlementsgit clone --depth 1 https://github.com/openai/plugins /tmp/openai__plugins
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/openai__plugins/plugins/build-macos-apps/skills/signing-entitlements ~/.claude/skills/signing-entitlements # Claude Code
cp -R /tmp/openai__plugins/plugins/build-macos-apps/skills/signing-entitlements ~/.agents/skills/signing-entitlements # Codex, Cursor, Gemini CLI, Copilot, OpenCode