artmann/package-registry-mcp

Overview

A Model Context Protocol server that queries NPM, Cargo, PyPi, and NuGet registries for package details. It accepts package names and returns current metadata like version, description, and links.

Best for

Best for
Developers using MCP-compatible assistants who need quick package registry lookups

Use cases

• Look up package versions and descriptions during development
• Verify package existence and metadata before adding dependencies
• Automate dependency checks in AI-assisted coding workflows

How to use

Install

npx package-registry-mcp

Tools exposed

• search-npm-packages
• get-npm-package-details
• list-npm-package-versions
• search-cargo-packages
• get-cargo-package-details
• list-cargo-package-versions
• search-nuget-packages
• get-nuget-package-details
• list-nuget-package-versions
• get-pypi-package-details
• list-pypi-package-versions
• get-golang-package-details
• list-golang-package-versions

Tested with

Cursor, Claude Code, Claude Desktop

Example client config

{\n  "mcpServers": {\n    "package-registry": {\n      "command": "npx",\n      "args": ["package-registry-mcp"]\n    }\n  }\n}

Notes

A Model Context Protocol server that queries NPM, Cargo, PyPi, and NuGet registries for package details. It accepts package names and returns current metadata like version, description, and links.

38 stars on GitHub. Last updated 2025-12-02. Licensed MIT.

Use cases

• Look up package versions and descriptions during development
• Verify package existence and metadata before adding dependencies
• Automate dependency checks in AI-assisted coding workflows

Pros

• Supports four major package registries in one tool
• Simple, focused functionality with no unnecessary features
• Written in TypeScript for type safety and easy integration

Cons

• Limited to read-only queries, no publish or update capabilities
• Depends on external registry APIs which may have rate limits
• Small community with only 38 stars, less battle-tested

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.