markets.check

Evaluate market quality by checking bid/ask spread, order book depth, and price range. Returns a pass/fail with specific reasons. Use before placing trades to avoid illiquid or wide-spread markets.

SERVERPolymarket Agent Mcp SOURCEdemwick/polymarket-agent-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/demwick-polymarket-agent-mcp/markets.check.md

WHAT IT DOES

What markets.check does on Polymarket Agent Mcp

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

RISK

Why markets.check is rated Low

Tool queries market data and returns analysis without executing trades or modifying state.

From the tool's definition Evaluate market quality, checking bid/ask spread, order book depth, price range

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs markets.check safely

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

markets.check Allowed

markets.check 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": {
    "markets.check": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Polymarket Agent Mcp, apply this rule, and every markets.check call is checked against it from then on.

FAQ

Questions about markets.check

What does the markets.check tool do? +

Evaluate market quality by checking bid/ask spread, order book depth, and price range. Returns a pass/fail with specific reasons. Use before placing trades to avoid illiquid or wide-spread markets. It is categorised as a Read tool in the Polymarket Agent Mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on markets.check? +

Register the Polymarket Agent MCP server in PolicyLayer and add a rule for markets.check: 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 Agent Mcp. Nothing to install.

What risk level is markets.check? +

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

Can I rate-limit markets.check? +

Yes. Add a rate_limit block to the markets.check 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 markets.check completely? +

Set action: deny in the PolicyLayer policy for markets.check. 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 markets.check? +

markets.check is provided by the Polymarket Agent MCP server (demwick/polymarket-agent-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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