Get the full order book (bids and asks) for a Polymarket token. Shows market depth and liquidity at each price level.
AI agents call get_order_book 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 a pure data retrieval operation—querying and displaying market depth and liquidity information. It has no side effects, does not modify state, and cannot trigger transactions or execute code. The blast radius if misused is minimal (an agent could only read publicly available market data). This is a straightforward Read category tool.
From the tool's definition Tool retrieves order book data (bids and asks) for a Polymarket token; described as 'Get the full order book' with no modification, deletion, or execution capabilities. Server description emphasizes 'read access' and 'without requiring API keys.'
Attacks that exploit this kind of access
Get the full order book (bids and asks) for a Polymarket token. Shows market depth and liquidity at each price level. 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: 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 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 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. 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 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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