Get compact vision review data for a player in one match
AI agents call lol_get_player_vision_summary 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 and queries vision ward placement and vision control statistics for a specific player in a match. It performs no write, execute, or destructive operations. The data returned is read-only analysis information that helps players review their performance. This is consistent with other sibling tools on the server (lol_analyze_performance, lol_get_account, etc.) that are all informational in nature.
From the tool's definition Tool name contains 'get' and description states 'Get compact vision review data' - both indicate data retrieval with no modifications or side effects.
Attacks that exploit this kind of access
Get compact vision review data for a player in one match. 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_player_vision_summary: 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_player_vision_summary 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_player_vision_summary 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_player_vision_summary. 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_player_vision_summary 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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