The real catalog of tools for AI agents

Check if a dependency's license obligates you, based on how you ship. npm, PyPI, Go.

npm/PyPI package dependency upgrade reviews: security, runtime compatibility, cited migration.

Check exact npm/PyPI upgrades for evidence-backed breaking changes; query APIs and components.

Pay-per-call x402 npm and PyPI package metadata, versions, search, download counts.

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

What breaks between versions, vulnerabilities, compatible versions, EOL dates: npm, PyPI, Rust, PHP.

Evidence-backed npm upgrade preflight and dependency audits for coding agents, paid via x402.

Translates a lockfile diff into a human-readable upgrade plan for npm, PyPI, and GitHub Actions.

Verify PyPI and npm packages, symbols, and version diffs against real artifacts. Free, no account.

npm & PyPI freshness for AI agents: latest version, deprecations, dated breaking-change diffs.

x402-gated safety checker for npm/PyPI packages before you npm install / pip install.

Check an npm/PyPI package before an AI agent installs it: 5 focused supply-chain tools.

PyPI releases: Python package versions, daily. Register in-session — free testnet funds.

npm, PyPI & crates.io health, vulns and dependency graphs. Runs locally, no API key.

Blocks typosquatted or hallucinated npm/PyPI packages before an AI agent installs them.

Change intelligence for coding agents: sourced breaking changes for npm, PyPI, and Rust packages.

Check npm dependencies for outdated majors, and see which dev tools AI models pick.

Source code search for every package on PyPI and npm.

Verify an npm or PyPI package before install: advisories, install scripts, typosquats, repository.

Attestari's verdict on an npm or PyPI package version, asked before an agent installs it.