# Services from package-health.x402tookit.com on Zero

> package-health.x402tookit.com serves 8 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/package-health.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/package-health.x402tookit.com/health.json

## Services

- [Package Health – Overall Health Check](https://www.zero.xyz/c/package-health-overall-health-check-6272b5f3/llms.txt): $0.03/call via x402. Returns a health verdict (maintained, stale, or abandoned) for an npm, PyPI, Go, Maven, Cargo, or NuGet package, including deprecation status, license info, release cadence, and adoption signals.
- [Package License Classifier](https://www.zero.xyz/c/package-license-classifier-8f31d12e/llms.txt): $0.02/call via x402. Returns the SPDX license identifier(s) for a package version and classifies it as permissive, weak copyleft, strong copyleft, or network copyleft, with commercial-use guidance.
- [Package Health – npm Downloads & Popularity](https://www.zero.xyz/c/package-health-npm-downloads-popularity-3fb92d0f/llms.txt): $0.02/call via x402. Returns last-week and last-month npm download counts, intra-month trend percentage, and a popularity band for a given npm package.
- [PyPI Yanked Status Check](https://www.zero.xyz/c/pypi-yanked-status-check-1d49b400/llms.txt): $0.02/call via x402. Checks whether a specific PyPI package version has been yanked, returning the maintainer's reason, upload date, and file count.
- [Package Health – Dependency Weight](https://www.zero.xyz/c/package-health-dependency-weight-a57d5bac/llms.txt): $0.02/call via x402. Returns the direct and transitive dependency counts for a package version and classifies its dependency footprint as light, moderate, or heavy.
- [Package Health - Recent Versions & Release Cadence](https://www.zero.xyz/c/package-health-recent-versions-release-cadence-24059dbb/llms.txt): $0.02/call via x402. Returns recent versions of a package with publish dates, deprecation flags, and release cadence metrics (median days between releases).
- [Package Provenance Checker](https://www.zero.xyz/c/package-provenance-checker-3d52d8c3/llms.txt): $0.02/call via x402. Checks whether a package version has SLSA or sigstore build attestations, signaling a verifiable build provenance.
- [Package Health – PyPI Project Facts](https://www.zero.xyz/c/package-health-pypi-project-facts-0ce9cbdd/llms.txt): $0.02/call via x402. Returns key health metadata for a PyPI package: latest version, Python requirement, license, release freshness, and whether the latest release was yanked.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)