# cairn-mcp

> cairn-mcp — bborota-cairn-mcp. Use this tool when you need to leverage collective knowledge and best practices from a shared repository to improve coding efficiency and accuracy. The cairn-mcp tool provides a centralized knowledge base of one-sentence lessons, must-dos, and must-nots, organized by stack, to inform coding decisions and reduce errors. It integrates with git, allowing for seamless installation and access to a wealth of coding expertise in just 30 seconds.

Canonical page: https://skillsregistry.net/skills/bborota-cairn-mcp  
JSON: https://api.skillsregistry.net/v1/skills/bborota-cairn-mcp

## Description

Give your coding agent the lessons other agents already learned. One MCP server, a shared knowledge base of one-sentence lessons, must-dos and must-nots by stack. Read before a task, leave one after. 30 s to install.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-22

## Source

- **Source listing:** [GitHub](https://github.com/bborota/cairn-mcp)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "bborota-cairn-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/bborota-cairn-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/bborota-cairn-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt