Polar Health Data (self-hosted) MCP Server

Polar Health Data (self-hosted) is an MCP integration. Self-hosted Polar health analytics with a built-in MCP server: sleep, HRV, workouts, baselines.

Packages and local setup

The published oci package is docker.io/stumason/polar-flow-server:1.6.1. Its declared MCP transport is streamable-http.

The package declares DATABASE_URL (required): PostgreSQL connection string, e.g. postgresql+asyncpg://user:pass@host:5432/polar; POLAR_CLIENT_ID (required): Polar AccessLink OAuth client id (register at admin.polaraccesslink.com); POLAR_CLIENT_SECRET (required): Polar AccessLink OAuth client secret; BASE_URL: Public HTTPS base URL of this deployment; enables OAuth sign-in for MCP connectors.

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository · Project website. This profile uses version 1.6.1 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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