How to install Lib MCP in Claude Desktop
To install Lib MCP in Claude Desktop, open Settings, Developer, Edit Config, paste the "lib-mcp" block into mcpServers in claude_desktop_config.json, and restart the app.
Built from the published package · server updated 15 days ago
- 1
Open the config file
In Claude Desktop, go to Settings, then Developer, then Edit Config.
- 2
Add the server
Paste this into the file. If you already have servers, add the "lib-mcp" entry inside your existing mcpServers block.
{ "mcpServers": { "lib-mcp": { "command": "npx", "args": [ "-y", "@aleph-alpha/lib-mcp" ] } } } - 3
Restart Claude Desktop
Quit the app fully and open it again. The server appears under the tools icon in a new chat.
Config file: macOS: ~/Library/Application Support/Claude/claude_desktop_config.json · Windows: %APPDATA%\Claude\claude_desktop_config.json
MCP servers run with your permissions. If Lib MCP needs an API key, add it under env in the config. Check its README.
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Questions
Does Lib MCP work in Claude Desktop?
Yes. Claude Desktop supports local mcp servers through a config file, remote servers as connectors, and Lib MCP installs with the steps above.
Lib MCP does not show up in Claude Desktop. What now?
Restart Claude Desktop fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.
Is Lib MCP safe?
It scores 84 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.