Get a list of players to avoid for transfers based on injury status and lineup predictions.
AI agents call get_players_to_avoid to retrieve information from FPL 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 queries Fantasy Premier League data (injury status, lineup predictions) to inform transfer decisions. It has no side effects—it does not create, modify, delete, or execute actions. It is purely informational, helping users make decisions. The worst-case misuse (an AI recommending transfers to avoid) causes no direct harm since the actual transfer execution is a separate Write/Execute action.
From the tool's definition Tool name 'get_players_to_avoid' and description 'Get a list of players to avoid' indicates data retrieval. The function returns injury status and lineup prediction information with no ability to modify, delete, or execute external operations.
Attacks that exploit this kind of access
Get a list of players to avoid for transfers based on injury status and lineup predictions. It is categorised as a Read tool in the FPL MCP Server MCP Server, which means it retrieves data without modifying state.
Register the FPL MCP Server MCP server in PolicyLayer and add a rule for get_players_to_avoid: 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 FPL MCP Server. Nothing to install.
get_players_to_avoid 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_players_to_avoid 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_players_to_avoid. 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_players_to_avoid is provided by the FPL MCP Server MCP server (lewis-king/fpl-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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