Get a summarized order book for a Polymarket token: best bid, best ask, and spread.
AI agents call get_order_book_summary 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 market data with no side effects. It returns static market information (order book summary) useful for analysis but cannot create, modify, delete, or trigger external operations. The action is purely informational.
From the tool's definition Tool name 'get_order_book_summary' and description explicitly states 'Get a summarized order book' which retrieves data (best bid, best ask, spread). Server description emphasizes 'read access' and 'allows AI assistants to analyze' without modifying data.
Attacks that exploit this kind of access
Get a summarized order book for a Polymarket token: best bid, best ask, and spread. 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_order_book_summary: 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_order_book_summary 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_order_book_summary 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_order_book_summary. 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_order_book_summary 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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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