Get filtered timeline events by participant, event type, and time range
AI agents call lol_get_timeline_events 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 historical match timeline data filtered by specified criteria. It performs a query/fetch operation on existing data with no side effects, no code execution, no data modification, and no destructive capability. The low severity reflects that timeline event data is informational only and cannot be misused to cause harm beyond potential information disclosure, which is minimal for game statistics.
From the tool's definition Tool name contains 'get' and description states 'Get filtered timeline events' with filtering parameters (participant, event type, time range).
Attacks that exploit this kind of access
Get filtered timeline events by participant, event type, and time range. 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_timeline_events: 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_timeline_events 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_timeline_events 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_timeline_events. 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_timeline_events 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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