Polymarket is a decentralized prediction market platform where users can trade on the outcomes of real-world events using crypto. It has become one of the largest prediction market platforms by trading volume.

What does the Onfinance integration add?

The Onfinance layer provides an integration framework for accessing Polymarket data through a structured interface, potentially adding data processing or aggregation features on top of raw Polymarket data.

Can I place trades on Polymarket through this server?

The server focuses on Polymarket data access through the Onfinance integration. Check the repository documentation for whether trade execution is supported or if it is data-only.

Onfinance Polymarket MCP

Onfinance Polymarket MCP is an MCP server that provides access to Polymarket prediction market data through the Onfinance integration layer. Polymarket is one of the largest decentralized prediction market platforms, and this server makes its market data available through the MCP protocol — enabling agents to access event contract prices, market volumes, and probability data for the wide range of events traded on Polymarket.

The server combines the Onfinance data integration with MCP protocol support, structuring Polymarket data into typed tool responses that agents can process reliably. This is useful for agents that need to monitor prediction market consensus, track probability changes on specific events, or analyze trading patterns across Polymarket’s diverse event categories. The structured data format is more reliable than scraping or manual data collection approaches.

Onfinance Polymarket MCP is a good choice for prediction market enthusiasts who want agent-assisted access to Polymarket data. Polymarket’s position as a leading prediction market platform means it hosts some of the most liquid event contracts available, and having structured MCP access to that data enables sophisticated research and monitoring workflows. The server can complement other prediction market tools or serve as a standalone data source for Polymarket-focused analysis.