Get available liquidity in USD for a market.
AI agents call get_liquidity 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 queries market liquidity data and returns information for analysis purposes. It performs a read-only operation on market state without creating, modifying, deleting, or executing any trades or external actions. The retrieval of liquidity metrics is a foundational informational capability used to support trading decisions but carries no direct financial or operational risk in isolation.
From the tool's definition Tool name 'get_liquidity' and description 'Get available liquidity in USD for a market' indicate data retrieval with no modification or side effects.
Attacks that exploit this kind of access
Get available liquidity in USD for a market. 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_liquidity: 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_liquidity 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_liquidity 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_liquidity. 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_liquidity is provided by the Polymarket MCP Server MCP server (nancheng582-jpg/polymarket-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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