polar-mcp-mini

Item: polar-mcp-mini
Rating: 58
Author: M8ven

Minimal MCP server connecting Polar AccessLink to Claude, enabling retrieval of exercises, sleep, and nightly recharge data.

→ SanGlaze23/polar-mcp-mini · listed on glama

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// key findings

🚨

Secret credentials may flow to a network call

1 flow detected: POLAR_ACCESS_TOKEN. We can’t prove the destination matches the brand the credential belongs to.

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

You'll be asked for 3 credentials: POLAR_ACCESS_TOKEN, POLAR_CLIENT_SECRET, SHARED_SECRET

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies3 high1 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.12.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

lowexpress@4.19.2GHSA-qw6h-vgh9-j6wx

express vulnerable to XSS via response.redirect()

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretPOLAR_ACCESS_TOKEN— 1. Один раз локально запускаешь setup-polar-auth.js → получаешь .

configPOLAR_CLIENT_ID— твой_client_id POLAR_CLIENT_SECRET=твой_client_secret npm run setup

🔐 secretPOLAR_CLIENT_SECRET— POLAR_CLIENT_ID=твой_client_id =твой_client_secret npm run setup

configPOLAR_USER_ID— xxxxxxxx...

configPORT

🔐 secretSHARED_SECRET— придумай любую длинную случайную строку — защитит эндпоинт от чужих запросов

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/sanglaze23-polar-mcp-mini-1bu5jf)](https://m8ven.ai/mcp/sanglaze23-polar-mcp-mini-1bu5jf)

commit: 0f13a6706306e7fad4630d2eaf37315b3cc4550e

code hash: 5362c6b871b90e35656e33c73b97ec3ce7a246b9e61ba908f25218e4ba0b6abb

verified: 7/25/2026, 8:34:18 AM

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