# cairn

> cairn — zilet-cairn. Use this tool when you need to integrate and track your wellness data from various sources, such as labs, workouts, and sleep patterns, to receive personalized daily suggestions for improvement. It solves the problem of fragmented health data and provides a holistic approach to training, nutrition, and longevity. The tool accepts inputs from multiple data sources and outputs tailored recommendations through a progressive web app interface.

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

## Description

Self-hosted wellness OS for training, nutrition and longevity. Connects your labs, lifting, running, food and sleep into one agentic brain that suggests the one thing worth doing today. PWA + REST + MCP server. No scores, no nudges.

## Trust

- **Trust score (0–1):** 0.41
- **Verification tier:** scanned
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-28

## Source

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

## 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": "zilet-cairn"
    }
  }
}
```

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