Get markets with close/competitive odds (near 50/50). These are the most uncertain markets where the outcome is genuinely in question.
AI agents call get_competitive_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 retrieves and queries Polymarket data (markets with competitive odds near 50/50) without side effects. It is a read-only operation that returns information to help users identify markets of interest. While Polymarket deals with financial prediction markets, this specific tool does not move money, execute trades, or commit financial obligations—it only provides market information.
From the tool's definition Tool name 'get_competitive_markets' and description 'Get markets with close/competitive odds' indicate a query/retrieval operation.
Attacks that exploit this kind of access
Get markets with close/competitive odds (near 50/50). These are the most uncertain markets where the outcome is genuinely in question. 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 get_competitive_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.
get_competitive_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 get_competitive_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 get_competitive_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.
get_competitive_markets is provided by the Polymarket MCP Server MCP server (rafael-pina/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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