Get list of markets from Polymarket. Returns market data including question, end date, and token information. No authentication required.
AI agents call polymarket_get_markets 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.
polymarket_get_markets retrieves and queries market information from Polymarket without modifying, creating, deleting, or executing any operations. It is a straightforward read-only data access tool. The low severity reflects minimal risk even if misused—an AI agent retrieving market data poses no financial, destructive, or operational harm.
From the tool's definition Tool description states 'Get list of markets' and 'Returns market data' with explicit note 'No authentication required.' This is a data retrieval operation with no side effects.
Attacks that exploit this kind of access
Get list of markets from Polymarket. Returns market data including question, end date, and token information. No authentication required. 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 polymarket_get_markets: 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.
polymarket_get_markets 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 polymarket_get_markets 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 polymarket_get_markets. 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.
polymarket_get_markets is provided by the Polymarket MCP Server MCP server (Curious-Layer/cl-mcp-polymarket). 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.
Teams ship this data inside their own products. See what a licence covers →