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Librarian

Verified Integration
Author: @ngmeyer•Category: ServerApplication
GitHub Repository
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status
Tags:#Claude#Search#API#Git#Filesystem#AI#GitHub#Node.js

Client Configuration

— Connect Librarian to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "librarian-3": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-librarian-3"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Empower Claude with advanced capabilities to manage and interact with your Obsidian vault or plain markdown files.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Librarian

Absolutely. Librarian runs entirely locally on your machine. Your vault data never leaves your computer, as it directly reads and writes files on disk and communicates with Claude over standard I/O. There are no network calls, telemetry, or cloud storage involved, ensuring complete privacy.

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