markets.holders
View the largest position holders in a Polymarket market by condition_id. Shows wallet address, position size, and side (YES/NO). Useful for gauging smart money sentiment on a market.
This record as markdown: /tools/demwick-polymarket-agent-mcp/markets.holders.md
What markets.holders does on Polymarket Agent Mcp
AI agents call markets.holders 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.
Why markets.holders is rated Low
Tool retrieves public market data without modifying state or executing trades.
From the tool's definition View largest position holders, wallet address, position size, side.
Attacks that exploit this kind of access
The rule that runs markets.holders 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.holders, this is the rule to start with:
markets.holders is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Polymarket Agent Mcp, apply this rule, and every markets.holders call is checked against it from then on.
Questions about markets.holders
View the largest position holders in a Polymarket market by condition_id. Shows wallet address, position size, and side (YES/NO). Useful for gauging smart money sentiment on a market. It is categorised as a Read tool in the Polymarket Agent Mcp MCP Server, which means it retrieves data without modifying state.
Register the Polymarket Agent MCP server in PolicyLayer and add a rule for markets.holders: 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.
markets.holders 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 markets.holders 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 markets.holders. 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.
markets.holders 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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