Polar Health Data (self-hosted) MCP Server

Name: Polar Health Data (self-hosted) MCP Server
Author: io.github.StuMason

io.github.StuMason/polar-flow-server

Repository Registry

What is the Polar Health Data (self-hosted) MCP server?

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

How to install Polar Health Data (self-hosted)

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

DATABASE_URL
required
secret
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
secret
Polar AccessLink OAuth client secret
BASE_URL
Public HTTPS base URL of this deployment; enables OAuth sign-in for MCP connectors

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "polar-flow-server": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/stumason/polar-flow-server:1.5.0"
      ],
      "env": {
        "DATABASE_URL": "<YOUR_DATABASE_URL>",
        "POLAR_CLIENT_ID": "<YOUR_POLAR_CLIENT_ID>",
        "POLAR_CLIENT_SECRET": "<YOUR_POLAR_CLIENT_SECRET>",
        "BASE_URL": "<YOUR_BASE_URL>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "polar-flow-server": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/stumason/polar-flow-server:1.5.0"
      ],
      "env": {
        "DATABASE_URL": "<YOUR_DATABASE_URL>",
        "POLAR_CLIENT_ID": "<YOUR_POLAR_CLIENT_ID>",
        "POLAR_CLIENT_SECRET": "<YOUR_POLAR_CLIENT_SECRET>",
        "BASE_URL": "<YOUR_BASE_URL>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "polar-flow-server": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/stumason/polar-flow-server:1.5.0"
      ],
      "env": {
        "DATABASE_URL": "<YOUR_DATABASE_URL>",
        "POLAR_CLIENT_ID": "<YOUR_POLAR_CLIENT_ID>",
        "POLAR_CLIENT_SECRET": "<YOUR_POLAR_CLIENT_SECRET>",
        "BASE_URL": "<YOUR_BASE_URL>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "polar-flow-server": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/stumason/polar-flow-server:1.5.0"
      ],
      "env": {
        "DATABASE_URL": "<YOUR_DATABASE_URL>",
        "POLAR_CLIENT_ID": "<YOUR_POLAR_CLIENT_ID>",
        "POLAR_CLIENT_SECRET": "<YOUR_POLAR_CLIENT_SECRET>",
        "BASE_URL": "<YOUR_BASE_URL>"
      }
    }
  }
}

Claude Code

claude mcp add polar-flow-server --env DATABASE_URL=<YOUR_DATABASE_URL> --env POLAR_CLIENT_ID=<YOUR_POLAR_CLIENT_ID> --env POLAR_CLIENT_SECRET=<YOUR_POLAR_CLIENT_SECRET> --env BASE_URL=<YOUR_BASE_URL> -- docker run -i --rm docker.io/stumason/polar-flow-server:1.5.0

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