Get the last executed trade price for a Polymarket token.
AI agents call get_last_trade_price 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 historical trade price data from Polymarket without any side effects, modifications, or irreversible actions. It performs a simple data lookup operation consistent with read-only access patterns. No authentication requirements and no capability to modify state, execute code, or affect financial transactions directly. Low severity due to purely informational nature.
From the tool's definition Tool name 'get_last_trade_price' and description 'Get the last executed trade price' indicate a read-only query operation. Server description emphasizes 'comprehensive read access' and 'live prices' without modification capabilities.
Attacks that exploit this kind of access
Get the last executed trade price for a Polymarket token. 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_last_trade_price: 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_last_trade_price 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_last_trade_price 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_last_trade_price. 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_last_trade_price is provided by the Polymarket MCP Server MCP server (yigitabi5444/yigit_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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