io.github.davidmosiah/polarmcp MCP Server

io.github.davidmosiah/polarmcp

Repository Registry

What is the io.github.davidmosiah/polarmcp MCP server?

Privacy-first unofficial Polar AccessLink v4 MCP server for AI health, sleep and training agents.

How to install io.github.davidmosiah/polarmcp

Copy-paste configuration for popular MCP clients.

transport: stdio

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

Environment / auth

POLAR_CLIENT_ID
Polar OAuth client ID. Optional when configured with polar-mcp-server setup.
POLAR_CLIENT_SECRET
secret
Polar OAuth client secret. Prefer polar-mcp-server setup so this secret is stored in ~/.polar-mcp/config.json instead of MCP client config.
POLAR_REDIRECT_URI
Redirect URI configured in the Polar AccessLink admin. Optional when configured with polar-mcp-server setup.
POLAR_TOKEN_PATH
Optional local path for OAuth tokens. Defaults to ~/.polar-mcp/tokens.json.
POLAR_PRIVACY_MODE
Optional payload mode: summary, structured, or raw. Defaults to structured. raw means full Polar AccessLink payloads for supported endpoints.
POLAR_CACHE
Optional SQLite cache toggle. Set to true or sqlite to enable.
POLAR_CACHE_PATH
Optional local SQLite cache path. Defaults to ~/.polar-mcp/cache.sqlite.
POLAR_NO_CACHE
Set to true to bypass the in-memory HTTP response cache (60s TTL for GET only). POST/PUT/DELETE and 4xx/5xx responses are never cached regardless.

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

{
  "mcpServers": {
    "polarmcp": {
      "command": "npx",
      "args": [
        "-y",
        "polar-mcp-unofficial"
      ],
      "env": {
        "POLAR_CLIENT_ID": "<YOUR_POLAR_CLIENT_ID>",
        "POLAR_CLIENT_SECRET": "<YOUR_POLAR_CLIENT_SECRET>",
        "POLAR_REDIRECT_URI": "<YOUR_POLAR_REDIRECT_URI>",
        "POLAR_TOKEN_PATH": "<YOUR_POLAR_TOKEN_PATH>",
        "POLAR_PRIVACY_MODE": "<YOUR_POLAR_PRIVACY_MODE>",
        "POLAR_CACHE": "<YOUR_POLAR_CACHE>",
        "POLAR_CACHE_PATH": "<YOUR_POLAR_CACHE_PATH>",
        "POLAR_NO_CACHE": "<YOUR_POLAR_NO_CACHE>"
      }
    }
  }
}

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