Polar Health Data (self-hosted)

io.github.StuMason/polar-flow-server

Self-hosted Polar health analytics with a built-in MCP server: sleep, HRV, workouts, baselines.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "polar-flow-server": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/stumason/polar-flow-server:1.6.2"
      ],
      "env": {
        "DATABASE_URL": "<your DATABASE_URL>",
        "POLAR_CLIENT_ID": "<your POLAR_CLIENT_ID>",
        "POLAR_CLIENT_SECRET": "<your POLAR_CLIENT_SECRET>"
      }
    }
  }
}
Environment variables
  • DATABASE_URLrequiredsecretPostgreSQL connection string, e.g. postgresql+asyncpg://user:pass@host:5432/polar
  • POLAR_CLIENT_IDrequiredPolar AccessLink OAuth client id (register at admin.polaraccesslink.com)
  • POLAR_CLIENT_SECRETrequiredsecretPolar AccessLink OAuth client secret

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
1.6.2
Registry
active
Published
10/19/2026

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Show visitors that Polar Health Data (self-hosted) is listed here — it’s also the link we check for a free listing.

Polar Health Data (self-hosted) — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-stumason-polar-flow-server?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Polar Health Data (self-hosted) — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![Polar Health Data (self-hosted) — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-stumason-polar-flow-server?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.