Get trending/top markets sorted by volume or price change. Great for discovering hot markets.
AI agents call get_trending_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.
This tool retrieves market data (trending markets sorted by volume or price change) for informational purposes only. It reads public prediction market information without modifying state, executing code, or committing financial transactions. All sibling tools on this server (get_market, get_order_book, get_events_by_category, etc.) are similarly read-only data retrieval operations.
From the tool's definition Tool name 'get_trending_markets' and description 'Get trending/top markets sorted by volume or price change' indicate a data retrieval operation. No creation, modification, deletion, or execution of external operations occurs.
Attacks that exploit this kind of access
Get trending/top markets sorted by volume or price change. Great for discovering hot markets. 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_trending_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.
get_trending_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 get_trending_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 get_trending_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.
get_trending_markets is provided by the Polymarket MCP Server MCP server (rafael-pina/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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