Recent Polymarket trades. Filter by market (conditionId) and/or user (wallet address); page with limit (max 500). Each trade returns wallet, trader name, side (buy/sell), outcome, size, price, USD notional, timestamp, market title, and tx hash. Read-only from Polymarket
AI agents call predict.trades to retrieve information from Mcp 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 historical prediction market trade data from Polymarket with filtering and pagination options. It performs no write operations, does not execute code or trigger external state changes, and does not delete or move money. The financial context (Polymarket, USDC settlement) is incidental to the read-only nature of the operation.
From the tool's definition Tool description explicitly states 'Read-only from Polymarket' and describes retrieval operations: 'Filter by market...and/or user...page with limit'.
Attacks that exploit this kind of access
Recent Polymarket trades. Filter by market (conditionId) and/or user (wallet address); page with limit (max 500). Each trade returns wallet, trader name, side (buy/sell), outcome, size, price, USD notional, timestamp, market title, and tx hash. Read-only from Polymarket. It is categorised as a Read tool in the Mcp MCP Server, which means it retrieves data without modifying state.
Register the MCP server in PolicyLayer and add a rule for predict.trades: 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 Mcp. Nothing to install.
predict.trades 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 predict.trades 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 predict.trades. 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.
predict.trades is provided by the MCP server (@2sio/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.
Teams ship this data inside their own products. See what a licence covers →