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Polymarket MCP Server

Enables comprehensive read access to Polymarket prediction market data, including live prices, order books, and market statistics. It allows AI assistants to analyze events, search markets, and monitor real-time signals without requiring API keys or authentication.

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// key findings
🚨
Known vulnerabilities in dependencies: 2 critical, 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
// known CVEs in dependencies2 critical3 high

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

criticalvitest@3.0.0GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

criticalvitest@3.0.0GHSA-9crc-q9x8-hgqq

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

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

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// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configPOLYMARKET_CACHE_DISABLEDfalse Set to true to disable all caching
// 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 5 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/yigitabi5444-yigit-polymarket-mcp-inoauh)](https://m8ven.ai/mcp/yigitabi5444-yigit-polymarket-mcp-inoauh)
commit: 4ca85ca70bc9eb0aa5809d0403f596612c2aee21
code hash: e96b6bda581d09ade4889989bbe1423ed57c7a2427878a06c0ca044e6b653924
verified: 6/16/2026, 12:02:37 PM
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