NPMLens MCP: a server exposing tools to search npm packages and fetch READMEs.
NPMLens MCP: a server exposing tools to search npm packages and fetch READMEs.
npmlens-mcp lets your coding agent (such as Claude, Cursor, Copilot, Gemini or Codex) search the npm registry and fetch package context (README, downloads, GitHub info, usage snippets). It acts as a Model‑Context‑Protocol (MCP) server, giving your AI assistant a structured way to discover libraries and integrate them quickly.
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Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| search_npm | Search the npm registry with optional ranking weights. |
| Args | packages (array of 1-10 package names, required). |
| Returns | Array of comparison data with name, version, |
| search_by_keywords | Search npm packages by specific keywords/tags with AND/OR operators. |
| Example | "Compare react-query, swr, and apollo-client". |
| get_readme | Fetch README markdown for a package (optionally by version). |
| get_package_info | Enriched package info combining registry metadata, npm downloads, |
| get_usage_snippet | Extract a likely usage snippet from a package README. |
| get_package_versions | List all available versions of a package with publish dates and dist |
| get_package_dependencies | Get the dependency tree for a package. |
| get_downloads | Fetch npm downloads for the last day/week/month. |
| compare_packages | Compare multiple npm packages side-by-side. |
{
"mcpServers": {
"npmlens": {
"command": "npx",
"args": [
"-y",
"npmlens-mcp@latest"
]
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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