whichlib

by @josifb · io.github.josifb/whichlib

Dependency picker for coding agents: recommends, compares and scores GitHub repos with a verdict.

OnlineRemote + local

Category: Developer tools
Connection: Remote (HTTP)
Tools: 3 reported
Status: Online

Connect it to your AI

Claude Code

claude mcp add --transport http whichlib https://whichlib.com/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://whichlib.com/mcp

This server expects extra headers, usually an API key from its maker.

Or run it locally (npm)

claude mcp add whichlib -- npx -y whichlib@0.2.4

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "whichlib": {
      "url": "https://whichlib.com/mcp"
    }
  }
}

Tools it offers

3 tools, as the server itself reported during our check on Oct 31, 2026.

recommend_reposFind the best open-source library for a need before adding a dependency. Give the need in plain words and get up to `limit` GitHub repositories ranked by fit = score x relevance to the need. Each result has a 0-100 score
compare_reposCompare 2-10 known GitHub repositories side by side, best score first: score and tier, stars, forks, open issues, last push, license, npm/PyPI weekly downloads (only when the registry links back to the repository) and a
trending_reposDiscover projects: the most-starred GitHub repositories created in the last day, week or month, or with period "rising" repositories of any age that gained the most stars this week (like GitHub Trending; risingRank keeps

Questions

What is the whichlib MCP server?

Dependency picker for coding agents: recommends, compares and scores GitHub repos with a verdict. It is made by @josifb and listed in the official MCP Registry as io.github.josifb/whichlib. MCP (Model Context Protocol) is the open standard that lets AI apps like Claude, ChatGPT and Cursor use outside tools.

How do I add whichlib to Claude?

In the Claude app or claude.ai, open Settings, then Connectors, choose "Add custom connector" and paste https://whichlib.com/mcp. In Claude Code, run: claude mcp add --transport http whichlib https://whichlib.com/mcp

How do I add whichlib to ChatGPT?

ChatGPT can use remote MCP servers as connectors. In ChatGPT settings, under Apps and Connectors, turn on developer mode if asked, create a new connector and paste https://whichlib.com/mcp.

How do I add whichlib to Cursor?

Open Cursor settings, go to MCP, choose "Add new MCP server" (or edit ~/.cursor/mcp.json) and add: { "mcpServers": { "whichlib": { "url": "https://whichlib.com/mcp" } } }

Does whichlib work right now?

Yes. It responded when we last checked on 31 Oct 2026. We check remote MCP servers every day.

What can whichlib do?

It gives your AI 3 tools, including recommend_repos, compare_repos, trending_repos. The full list is on this page.

Is this your server? Get the badge for your README

Markdown (GitHub README)

[![Listed on chen.media/mcp](https://chen.media/mcp/badge/github-josifb-whichlib.svg)](https://chen.media/mcp/github-josifb-whichlib)

HTML (switches to dark mode on its own)

<a href="https://chen.media/mcp/github-josifb-whichlib"><picture><source media="(prefers-color-scheme: dark)" srcset="https://chen.media/mcp/badge/github-josifb-whichlib.svg?theme=dark"><img src="https://chen.media/mcp/badge/github-josifb-whichlib.svg" alt="Listed on chen.media/mcp" height="40"></picture></a>

whichlib

Connect it to your AI

Claude Code

Claude, ChatGPT, Cursor and other apps

Or run it locally (npm)

Cursor, VS Code and other apps (mcp.json)

Tools it offers

Questions

Markdown (GitHub README)

HTML (switches to dark mode on its own)

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