lol_get_tournament_roster

Get player rosters for a League of Legends tournament and team. Requires ALL-STAR tier or higher.

SERVERMcp SOURCEhttps://mcp.balldontlie.io/mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade A, identity unverified Pull the record →

This record as markdown: /tools/io-balldontlie-mcp/lol-get-tournament-roster.md

WHAT IT DOES

What lol_get_tournament_roster does on Mcp

AI agents call lol_get_tournament_roster to retrieve information from Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why lol_get_tournament_roster is rated Low

This tool retrieves existing roster data for League of Legends tournaments and teams. It performs a read-only query operation with no capability to modify, delete, or execute actions. The severity is low because accessing publicly-available sports roster information poses minimal risk even if misused by an AI agent.

From the tool's definition Tool name contains 'get_' prefix and description states 'Get player rosters' — a retrieval operation with no side effects. The data returned is static tournament roster information.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs lol_get_tournament_roster safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For lol_get_tournament_roster, this is the rule to start with:

lol_get_tournament_roster Allowed

lol_get_tournament_roster is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "lol_get_tournament_roster": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp, apply this rule, and every lol_get_tournament_roster call is checked against it from then on.

FAQ

Questions about lol_get_tournament_roster

What does the lol_get_tournament_roster tool do? +

Get player rosters for a League of Legends tournament and team. Requires ALL-STAR tier or higher. It is categorised as a Read tool in the Mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on lol_get_tournament_roster? +

Register the MCP server in PolicyLayer and add a rule for lol_get_tournament_roster: 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 Mcp. Nothing to install.

What risk level is lol_get_tournament_roster? +

lol_get_tournament_roster is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit lol_get_tournament_roster? +

Yes. Add a rate_limit block to the lol_get_tournament_roster 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.

How do I block lol_get_tournament_roster completely? +

Set action: deny in the PolicyLayer policy for lol_get_tournament_roster. 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.

What MCP server provides lol_get_tournament_roster? +

lol_get_tournament_roster is provided by the MCP server (https://mcp.balldontlie.io/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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