List Polymarket event series (grouped collections of related events).
AI agents call get_series 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 and lists event series data from Polymarket without any ability to create, modify, delete, or execute operations. It has no side effects and presents minimal risk even if misused by an agent, as it only exposes publicly available market grouping information.
From the tool's definition Tool description explicitly states 'List Polymarket event series' — a retrieval operation with no modification capability. Server description emphasizes 'read access' and 'no API keys or authentication required', indicating query-only permissions.
Attacks that exploit this kind of access
List Polymarket event series (grouped collections of related events). 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_series: 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_series 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_series 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_series. 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_series is provided by the Polymarket MCP Server MCP server (yigitabi5444/yigit_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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