Cairn

Verified Integration

Author: @intelligently•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect Cairn to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "cairn": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-cairn"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Provides persistent, searchable memory for AI agents and human users through intelligent capture, enrichment, and retrieval mechanisms.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Cairn

Cairn is a software tool that provides persistent, searchable memory for both AI agents and human users. It solves the problem of information loss by intelligently capturing, enriching, and retrieving decisions, learnings, and thoughts across sessions.

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