Sources and coverage

From package registries to published API specifications. See what each source covers.

Sources followed
15
Kinds of source
4
15 sources

Public sources only. Coverage describes what can be checked, not a live status report.

Package registries

npm

npm, Inc.

Published versions, licence information, and deprecation notices for npm packages.

Public registry metadata read through npm's documented public API.

PyPI

the Python Package Index

The published version, licence, Python requirement, and yank status for a project.

Public project metadata published by the PSF for reuse.

crates.io

the Rust Foundation

The published version, licence, and yank status for a Rust crate. The stable line is preferred when a newer pre-release exists.

Public registry metadata read through the crates.io API under its usage policy.

RubyGems

Ruby Central

The published version, licence, and project links for a Ruby gem.

Public gem metadata read through the RubyGems.org API.

Packagist

Packagist Conductors

The newest tagged release of a PHP package: version, licence, and description. Dev snapshots never count as a release.

Public package metadata read through Packagist's repository API.

Go module proxy

the Go project

The latest published version of a Go module and its publication date.

Public module metadata read through the proxy.golang.org API.

Security advisories

OSV

Open Source Vulnerabilities (OSV)

Security advisories affecting packages across supported ecosystems, including updates to published advisories.

Advisory data from OSV.dev and the databases it gathers, each under its own license: GitHub Advisory Database, PyPI, Go, OSS-Fuzz, Python Software Foundation, Erlang Ecosystem Foundation and Julia advisories under CC BY 4.0; RustSec, Global Security Database and Haskell advisories under CC0 1.0; OpenSSF Malicious Packages, RConsortium and Bitnami under Apache 2.0; Drupal and curl under MIT. Since shortens and reformats advisory text.

CISA KEV

Cybersecurity and Infrastructure Security Agency

CVEs with confirmed exploitation in the wild, with the vendor, product, required action, and the remediation deadline CISA assigns. An entry appearing here is a signal to patch now, not eventually.

U.S. government vulnerability catalog published for public use.

Code and specifications

OpenAPI documents

The API's own publisher

Changes to published API operations, schemas, deprecations, and versions.

A machine-readable specification the publisher serves for consumption.

GitHub

GitHub, Inc.

Repository state and published releases for open-source projects.

Public repository metadata read through GitHub's documented public API.

Services, feeds and pages

Vendor status pages

The vendor operating the status page

The overall operational indicator a service publishes about itself, for agents that need to know whether a dependency is degraded before retrying against it.

Read through the vendor's own documented status API.

Official RSS and Atom feeds

The publisher of the feed

A publisher's own machine-readable announcement feed.

Read under the publisher's robots.txt; short factual summaries only.

Public web pages

The site owner

A specific public page, or a region of one, watched for substantive change.

Read under the site's robots.txt. Never behind a paywall or a login, and never republished.

Other sources

The newest stable release of a Maven artifact, ranked from the versions its metadata lists. Milestones and release candidates never count as the latest release.

Public artifact metadata published by Maven Central.

NuGet

the .NET Foundation

The newest listed version of a NuGet package, with the deprecation notice NuGet records for each version.

Public package metadata read through the NuGet V3 API.

Data licenses

Some of this data keeps its own open license. The attribution each one asks for is given here and beside the changes that use it.

OSV advisoriesCC BY 4.0, CC0 1.0, Apache 2.0 or MIT, by database
Advisory data from OSV.dev and the databases it gathers, each under its own license: GitHub Advisory Database, PyPI, Go, OSS-Fuzz, Python Software Foundation, Erlang Ecosystem Foundation and Julia advisories under CC BY 4.0; RustSec, Global Security Database and Haskell advisories under CC0 1.0; OpenSSF Malicious Packages, RConsortium and Bitnami under Apache 2.0; Drupal and curl under MIT. Since shortens and reformats advisory text.
endoflife.dateMIT License
Copyright 2020 endoflife.date contributors, MIT License.
Fairwinds Pluto Kubernetes deprecation dataApache License 2.0
Kubernetes API deprecation data from Fairwinds Pluto, Apache License 2.0.
LiteLLM model listMIT License
Copyright (c) 2023 Berri AI, MIT License.
Google documentationCC BY 4.0
Model and API lifecycle dates from Google's documentation, licensed under CC BY 4.0. Since shortens quotes and restates dates.
GitHub documentationCC BY 4.0
Content from GitHub Docs, licensed under CC BY 4.0. Since shortens quotes and restates dates.
deps.devCC BY 4.0
Dependents counted with deps.dev data (CC BY 4.0).
FIRST EPSSAttribution requested
EPSS scores come from FIRST.org, who ask that their use be attributed.
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