Get league entries by queue, tier, division (paginated)
AI agents call lol_get_league_entries_exp to retrieve information from League of Legends 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 ranked league ladder data (player ranks, divisions, etc.) based on filter criteria. It has no capacity to modify game state, execute commands, delete data, or affect player accounts. The paginated 'get' operation is a straightforward read with no destructive or financial implications. Low severity because league ladder data is typically public or semi-public information in League of Legends APIs.
From the tool's definition Tool name includes 'get' and description states 'Get league entries' with parameters for filtering (queue, tier, division) and pagination—classic read-only retrieval pattern with no mutation or side effects.
Attacks that exploit this kind of access
Get league entries by queue, tier, division (paginated). It is categorised as a Read tool in the League of Legends MCP Server MCP Server, which means it retrieves data without modifying state.
Register the League of Legends MCP Server MCP server in PolicyLayer and add a rule for lol_get_league_entries_exp: 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 League of Legends MCP Server. Nothing to install.
lol_get_league_entries_exp 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 lol_get_league_entries_exp 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 lol_get_league_entries_exp. 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.
lol_get_league_entries_exp is provided by the League of Legends MCP Server MCP server (rexlmanu/lol-mcp-server). 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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