polymarket-mcp

Item: polymarket-mcp
Rating: 64
Author: M8ven

Enables AI agents to discover and analyze prediction markets, execute trades, and manage positions on Polymarket via the Model Context Protocol.

→ IQAIcom/mcp-polymarket · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 high

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

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: POLYMARKET_PRIVATE_KEY

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

// known CVEs in dependencies3 high

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

high@modelcontextprotocol/sdk@1.20.2GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.20.2GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.20.2GHSA-w48q-cv73-mx4w

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

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.

configCHAIN_ID— No Blockchain network chain ID 137 (Polygon)

configCLOB_API_BASE— No Polymarket CLOB API base URL https://clob.polymarket.com

configFUNDER_ADDRESS— No Alternative funder address (alias) -

configPOLYGON_RPC_URL— "": "https://polygon-mainnet.g.alchemy.com/v2/<YOUR_KEY>"

configPOLYMARKET_FUNDER— No Funder address for transactions -

🔐 secretPOLYMARKET_PRIVATE_KEY— "": "your_private_key_here",

configSIGNATURE_TYPE— No Signature type for signing transactions 2

// 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 2 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/iqaicom-mcp-polymarket-1alokd)](https://m8ven.ai/mcp/iqaicom-mcp-polymarket-1alokd)

commit: d728309ddc01f6d536be9f95c4c284d6467e00ac

code hash: 53785cd128a25dade89bd02974588dd48ba8bb02047d60359edee21963ca637c

verified: 6/15/2026, 1:57:24 PM

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