Get active sports prediction markets (NBA, NFL, UFC, etc).
AI agents call sports_prediction_markets 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 tool performs data retrieval only—it queries and returns information about available prediction markets with no side effects, data modification, or financial transactions. While the server context involves financial instruments (prediction markets), this specific tool does not execute trades, move money, or modify state. Classification as Read is appropriate.
From the tool's definition Tool retrieves 'active sports prediction markets' without modifying data. The action is a lookup/query operation returning information about existing markets in sports categories (NBA, NFL, UFC, etc).
Attacks that exploit this kind of access
Get active sports prediction markets (NBA, NFL, UFC, etc). 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 sports_prediction_markets: 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.
sports_prediction_markets 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 sports_prediction_markets 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 sports_prediction_markets. 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.
sports_prediction_markets 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.
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