Get the minimum tick size (price increment) for a Polymarket token.
AI agents call get_tick_size 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 a static market parameter (tick size) with no side effects, no data modification, and no capability to execute trades or other financial actions. It is purely informational and belongs in the Read category with low severity.
From the tool's definition Tool name 'get_tick_size' and description 'Get the minimum tick size (price increment) for a Polymarket token' indicate a query operation that retrieves market metadata without modification or execution of external operations.
Attacks that exploit this kind of access
Get the minimum tick size (price increment) 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_tick_size: 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_tick_size 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_tick_size 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_tick_size. 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_tick_size 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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