Diff two npm/PyPI versions or lockfiles: new install scripts, network/shell/eval calls, new deps.

Quote, bid and confirm travel upgrades: eligibility, bid range, place/modify/cancel, instant buy.

Health check for React Native and Expo apps: upgrade blockers, App Store and Google Play rejections, crash risks, security (OWASP MASVS), accessibility and performance, with a step-by-step upgrade plan.

Audit AI agents' tool calls, planning and memory; Base on-chain data; pay per call via x402.