Cairn MCP Server

io.github.jasondostal/cairn-mcp

Repository Registry

What is the Cairn MCP server?

Persistent memory for AI agents and humans. Store, search, and discover patterns.

How to install Cairn

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

CAIRN_DB_HOST
required
PostgreSQL host (pgvector)
CAIRN_DB_PASS
required
secret
PostgreSQL password
CAIRN_TRANSPORT
Transport mode: stdio or http
CAIRN_LLM_BACKEND
LLM backend for enrichment: bedrock or ollama

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "cairn-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/jasondostal/cairn-mcp:0.21.2"
      ],
      "env": {
        "CAIRN_DB_HOST": "<YOUR_CAIRN_DB_HOST>",
        "CAIRN_DB_PASS": "<YOUR_CAIRN_DB_PASS>",
        "CAIRN_TRANSPORT": "<YOUR_CAIRN_TRANSPORT>",
        "CAIRN_LLM_BACKEND": "<YOUR_CAIRN_LLM_BACKEND>"
      }
    }
  }
}

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