abrenunt.io

A searchable library of Catholic source documents, accessible via MCP.

This is a growing collection of Catholic public-domain source documents, searchable through the Model Context Protocol (MCP).

We currently serve 380 documents from 20 authors.

Connect your AI assistant (Claude, or any MCP-compatible client) to this server and search across papal encyclicals, Church Fathers, theological treatises, and other primary sources in their original structure.

Quick start

Add this to your MCP client configuration:

{
  "mcpServers": {
    "abrenunt": {
      "type": "sse",
      "url": "https://abrenunt.io/sse"
    }
  }
}

See connection instructions for details, or browse the document catalog.