bborota/cairn-mcp

Overview

An MCP server that provides a shared knowledge base of one-sentence lessons for coding agents. It lets agents read lessons before tasks and leave lessons after, organized by stack. Designed for quick installation in about 30 seconds.

Best for

Best for
Teams of coding agents that want to share lessons across sessions.

Use cases

• Share lessons across agent sessions
• Avoid common pitfalls per stack
• Capture must-dos and must-nots for future tasks

How to use

Install

claude mcp add cairn --scope user --transport stdio -- npx @bborota/cairn-mcp

Clients listed in this record (not verified here)

Claude Code, Cursor, Windsurf

Example client config

{
  "mcpServers": {
    "cairn": {
      "command": "npx",
      "args": [
        "@bborota/cairn-mcp"
      ]
    }
  }
}

Notes