payload402 x402 REST checked
English Wikipedia fact lookup: search by query or exact title, returns intro extract as plain text. For agents that need a grounded summary before deeper web search. Not a substitute for primary sources.
13 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
English Wikipedia fact lookup: search by query or exact title, returns intro extract as plain text. For agents that need a grounded summary before deeper web search. Not a substitute for primary sources.
Vulnerability scan for a software package by ecosystem, name and version, or by package-URL (purl). Queries OSV.dev for known advisories, collects their CVE ids and enriches them with NVD CVSS, CISA KEV and EPSS, then re...
Verify a package: does it exist, is it deprecated or yanked, and does it have known vulnerabilities? Checked against the npm/PyPI/crates.io registry plus OSV.dev advisories.
NPM package info API: package registry lookup for npm, PyPI and Cargo with latest version, age, license, deprecation, weekly downloads and OSV vulnerabilities. Dependency check before install.
Use before spending tokens, money or crawler capacity fetching an unfamiliar web resource. Resolves redirects (manually, bounded, re-validated per hop) and returns deterministic HTTP/resource facts — final URL, status, c...
Resolve a public GitHub release into the most plausible downloadable asset for a normalized OS/architecture target, excluding source/signature/checksum files and linking checksum companions when present. Returns ambiguit...
Verify a GitHub repo: does it exist, is it archived or disabled? Catches an agent recommending or depending on a repo that's been renamed, taken down, or abandoned. Checked against the GitHub REST API.
NPM package info API: package registry lookup for npm, PyPI and Cargo with latest version, age, license, deprecation, weekly downloads and OSV vulnerabilities. Dependency check before install.
Semver range check - does a version satisfy ^, ~, x-range or || ranges
Semver resolver - best satisfying version, latest stable and safe upgrade advice from a version list
Semver list sorter - ascending or descending with invalid entries reported
Semver bump - next major, minor or patch version
Vulnerability scan for a software package by ecosystem, name and version, or by package-URL (purl). Queries OSV.dev for known advisories, collects their CVE ids and enriches them with NVD CVSS, CISA KEV and EPSS, then re...