Source Library

About Source Library

Use Source Library with your agent

claude mcp add --transport http source-library-mcp https://sourcelibrary.org/api/mcp

{
  "mcpServers": {
    "source-library-mcp": {
      "url": "https://sourcelibrary.org/api/mcp"
    }
  }
}

Frequently asked questions

What is Source Library?

Source Library is an MCP (Model Context Protocol) server by embassy-of-the-free-mind in the Search category. Search 15K rare pre-modern texts translated to English: philosophy, religion, science, literature.

How do I connect Source Library to Claude, Cursor, or another MCP client?

Source Library is a remote MCP server — add its endpoint (https://sourcelibrary.org/api/mcp) to your client's MCP configuration (for example with "claude mcp add", or under "mcpServers" in Cursor's mcp.json) and restart the client.

Is Source Library open source?

Yes — the source code is public at github.com/embassy-of-the-free-mind/sourcelibrary-v2, with 9 GitHub stars.

Can AI agents pay to use Source Library?

Not yet through Loomal — Source Library is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.