LibraryAPI MCP Server: Install & Setup

Install LibraryAPI in Claude Code

Claude Code

claude mcp add libraryapi -e LIBRARYAPI_KEY=... -- uvx libraryapi-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "libraryapi": {
      "command": "uvx",
      "args": [
        "libraryapi-mcp"
      ],
      "env": {
        "LIBRARYAPI_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the LibraryAPI MCP server do?

US public libraries and branches near any address, with collections from the IMLS survey

Is the LibraryAPI MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does LibraryAPI run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add LibraryAPI to Claude Code?

Run: claude mcp add libraryapi -e LIBRARYAPI_KEY=... -- uvx libraryapi-mcp

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