About this tool
Inspect software package health and metadata across npm (JavaScript), PyPI (Python), and Crates.io (Rust). Verify latest releases, declared licenses, dependency counts, author contacts, and repository links.
Open Source Package Registry Inspector
Inspect release versions, dependencies, license compliance, and sizes across npm, PyPI, and Crates.io.
Example
- ecosystem: npm
- packageName: astro
Output
EXPLOREWaiting
Run the tool to generate output.
Live data provided bynpm Registry(Public Package Metadata).
When to use this tool
Use Open Source Package Registry Inspector when evaluating third-party dependencies, conducting license compliance audits, or checking release versions.
Inputs, Formats & Specifications
- Accepted Inputs
- Ecosystem selector (npm, PyPI, Crates.io), Package Name string
- Output Formats
- Latest version, description, declared license, repository URL, maintainers, direct dependencies, publication date
- Supported Standards
- npm Registry JSON, PyPI JSON API, Crates.io API v1
- Browser Limits & Scope
- Inspects public, published open-source packages; private corporate registries (private npm/Artifactory) are not queried.
How to use this tool
- Select your target software ecosystem: npm (JavaScript), PyPI (Python), or Crates.io (Rust).
- Enter the package name (e.g. `express`, `requests`, or `serde`) into the search field.
- Click 'Inspect Package' to query official public registry APIs directly from your browser.
- Review the package summary card showing latest version, declared license, author contacts, and repository links.
Examples
npm License Compliance Audit
Check the declared license (e.g. MIT vs AGPL) and direct dependency count of an npm utility before adding it to an enterprise application.
PyPI Package Release Check
Verify the latest published version and author homepage link for a Python library before upgrading requirements.txt.