Get prediction market events for a specific sports series (e.g., NBA, NFL, MLB, NHL). Great for finding all games/matches for a league.
AI agents call get_events_by_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 queries and retrieves market event data from Polymarket prediction markets without creating, modifying, deleting, or executing any operations. It is a read-only data retrieval operation. Severity is low because misuse would only expose market data that is intended to be public; there is no financial transaction capability, destructive action, or arbitrary code execution risk.
From the tool's definition Tool name 'get_events_by_series' and description state it retrieves prediction market events for sports series.
Attacks that exploit this kind of access
Get prediction market events for a specific sports series (e.g., NBA, NFL, MLB, NHL). Great for finding all games/matches for a league. 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_events_by_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_events_by_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_events_by_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_events_by_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_events_by_series 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.
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