polymarket_get_markets

Get list of markets from Polymarket. Returns market data including question, end date, and token information. No authentication required.

SERVERPolymarket MCP Server SOURCEasthetech/mewcp-polymarket

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/asthetech-cl-mcp-polymarket/polymarket-get-markets.md

WHAT IT DOES

What polymarket_get_markets does on Polymarket MCP Server

AI agents call polymarket_get_markets to retrieve information from Polymarket MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why polymarket_get_markets is rated Low

This tool queries public market data without side effects. It performs a straightforward data retrieval operation typical of financial market data APIs. While financial data is involved, the tool itself does not move money, execute trades, or commit financial obligations—those are handled by sibling tools like polymarket_create_order and polymarket_cancel_order.

From the tool's definition Tool retrieves market data (questions, end dates, token information) and explicitly states 'No authentication required.' The verb 'Get list' and absence of any creation, modification, deletion, or execution capability confirm read-only data retrieval.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs polymarket_get_markets safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Polymarket MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For polymarket_get_markets, this is the rule to start with:

polymarket_get_markets Allowed

polymarket_get_markets is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "polymarket_get_markets": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Polymarket MCP Server, apply this rule, and every polymarket_get_markets call is checked against it from then on.

FAQ

Questions about polymarket_get_markets

What does the polymarket_get_markets tool do? +

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.

How do I enforce a policy on polymarket_get_markets? +

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.

What risk level is polymarket_get_markets? +

polymarket_get_markets is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit polymarket_get_markets? +

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.

How do I block polymarket_get_markets completely? +

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.

What MCP server provides polymarket_get_markets? +

polymarket_get_markets is provided by the Polymarket MCP Server MCP server (asthetech/mewcp-polymarket). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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