Find mispriced Polymarket contracts using news sentiment analysis.
AI agents call edge_finder to retrieve information from Polymarket MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a Read operation because it retrieves and analyzes existing market and news data to identify potential trading opportunities. While the broader server context involves financial markets and the tool provides input for investment decisions, the tool itself only reads/analyzes data without committing money, executing trades, or modifying any state.
From the tool's definition The tool 'edge_finder' performs 'sentiment analysis' on news to 'find mispriced' contracts. It analyzes and searches data (news sentiment, market pricing) without modifying markets, placing trades, or executing financial transactions.
Attacks that exploit this kind of access
Find mispriced Polymarket contracts using news sentiment analysis. It is categorised as a Read tool in the Polymarket MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Polymarket MCP Server MCP server in PolicyLayer and add a rule for edge_finder: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Polymarket MCP Server. Nothing to install.
edge_finder is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the edge_finder rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for edge_finder. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
edge_finder is provided by the Polymarket MCP Server MCP server (miles0sage/polymarket-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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