Search for players by name, position, or team
AI agents call search_players to retrieve information from Fantasy MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries player information and returns results without side effects. It is a straightforward search/lookup function analogous to a database query, fitting the 'Read' category. The severity is low because retrieving publicly available sports player data poses minimal risk even if misused by an AI agent.
From the tool's definition Tool description states 'Search for players by name, position, or team' — a pure data retrieval operation with no modification, deletion, or execution of external operations.
Attacks that exploit this kind of access
Search for players by name, position, or team. It is categorised as a Read tool in the Fantasy MCP MCP Server, which means it retrieves data without modifying state.
Register the Fantasy MCP server in PolicyLayer and add a rule for search_players: 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 Fantasy MCP. Nothing to install.
search_players 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 search_players 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 search_players. 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.
search_players is provided by the Fantasy MCP server (mattarm/fantasy_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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