Librarian is a specialized server designed to provide Large Language Models (LLMs) with efficient access to structured markdown documentation. Operating as a Model Context Protocol (MCP) server, it offers robust API endpoints for listing, searching, and retrieving markdown files organized hierarchically. Its core functionality revolves around delivering information on demand to LLMs, enhancing their ability to generate contextually relevant and informed responses. Librarian prioritizes read-only operations, focusing on quickly and accurately delivering document content through the MCP framework.