Polymarket MCP Server

Model Context Protocol server for Polymarket prediction markets. v0.3.0

Query Polymarket markets, events, narratives, arbitrage opportunities, and more — from any MCP-compatible client (Claude Desktop, OpenClaw, Cursor, etc.) OR via HTTP REST.

Zero dependencies. No API key required. MIT license.

Quick Start

Option A: MCP (recommended)

Option B: HTTP (for curl/web/dashboards)

Related MCP server: polymarket-mcp

Available Tools

Changelog

v0.3.0 (2026-06-26)

• HTTP mode: --http PORT starts a REST API at /health, /tools, /call/{tool_name}

• HTML status page: GET / shows a human-readable dashboard

• CORS headers: All endpoints support cross-origin requests

v0.2.0 (2026-06-26)

• Smart price formatting (Yes 52¢ / No 48¢)

• Proper client-side search

• Retry logic (429, 502, 503, 504)

• Connection resilience

Technical Details

• Protocol: JSON-RPC 2.0 over stdio (MCP) OR HTTP REST

• Dependencies: Zero (Python standard library only)

• API: Polymarket Gamma API (public, no key needed)

• Python: 3.7+

• License: MIT

Configuration with Claude Desktop

Add to claude_desktop_config.json: