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Mcp Npm_docs Server

@bsmi021

Repository

About Mcp Npm_docs Server

An MCP server that provides a tool to fetch metadata and documentation (including README content) for NPM packages, using a local cache to improve performance.

#npm#docs#npm-package#mpc#claude#modelcontextprotocol

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-npm_docs-server": {
      "command": "node",
      "args": [
        "dist/server.js"
      ]
    }
  }
}

Tools

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We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Mcp Npm_docs Server?

An MCP server that provides a tool to fetch metadata and documentation (including README content) for NPM packages. It uses the npms.io API and caches results locally with SQLite to improve performance. It is intended for developers using MCP clients (like Cline) who need programmatic access to package documentation.

How to use Mcp Npm_docs Server?

Install dependencies with npm install, build with npm run build, then run the compiled server with node dist/server.js. Configure caching via environment variables NPM_CACHE_TTL and NPM_CACHE_DB_PATH. Integrate with an MCP client by adding the server entry (using the absolute path to dist/server.js) to the client’s MCP settings file. The server exposes a single tool getNpmPackageDocs.

Key features of Mcp Npm_docs Server

  • Fetches package metadata and README via npms.io API.
  • Caches results locally using SQLite (better-sqlite3).
  • Provides the getNpmPackageDocs MCP tool.
  • Configurable cache TTL (default 24 hours).
  • Supports forceFresh parameter to bypass cache.
  • Follows standard MCP server structure.

Use cases of Mcp Npm_docs Server

  • Retrieve documentation and metadata for a specific NPM package.
  • Integrate package information into developer tools or workflows.
  • Reduce API calls and speed up repeated lookups using local caching.
  • Programmatically check package version, dependencies, license, and README.

FAQ from Mcp Npm_docs Server

What does the getNpmPackageDocs tool return?

It returns a JSON object with the package name, version, description, homepage, repository URL, author, license, keywords, dependencies, devDependencies, and README markdown content (when available via npms.io).

How can I bypass the cache for a fresh lookup?

Set the forceFresh parameter to true when calling the tool.

How do I configure the cache TTL?

Set the environment variable NPM_CACHE_TTL to a number of seconds. The default is 86400 (24 hours).

What API does the server use?

It uses the npms.io API to fetch package data. The NPM_REGISTRY_URL config variable exists but is currently ignored.

What are the runtime dependencies?

The server requires Node.js. It uses better-sqlite3 for caching and is built with TypeScript. All dependencies are installed via npm install.

Frequently asked questions

What does the `getNpmPackageDocs` tool return?

It returns a JSON object with the package name, version, description, homepage, repository URL, author, license, keywords, dependencies, devDependencies, and README markdown content (when available via npms.io).

How can I bypass the cache for a fresh lookup?

Set the `forceFresh` parameter to `true` when calling the tool.

How do I configure the cache TTL?

Set the environment variable `NPM_CACHE_TTL` to a number of seconds. The default is 86400 (24 hours).

What API does the server use?

It uses the [npms.io API](https://api.npms.io/) to fetch package data. The `NPM_REGISTRY_URL` config variable exists but is currently ignored.

What are the runtime dependencies?

The server requires Node.js. It uses `better-sqlite3` for caching and is built with TypeScript. All dependencies are installed via `npm install`.

Comments

Basic information

Category

Memory & Knowledge

License

MIT

Transports

stdio

Author

bsmi021

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