set_game_cover · Lutris MCP Server MCP: Risk & Policy

WHAT IT DOES

What set_game_cover does on Lutris MCP Server

AI agents use set_game_cover to create or update resources in Lutris MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Lutris MCP Server environment.

WHY IT NEEDS A POLICY

Why set_game_cover needs a policy

This tool creates or modifies game cover data reversibly within the Lutris database. It does not execute arbitrary operations, delete data irreversibly, or involve financial transactions. While the description is minimal, the name and server context clearly indicate data modification rather than retrieval or destruction.

From the tool's definition Tool name 'set_game_cover' and description 'Set a game' indicate modification of game metadata (cover image).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_game_cover Rate-limited

set_game_cover stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_game_cover": {
      "limits": [
        {
          "counter": "set_game_cover_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Lutris MCP Server, so you can run agents against it safely.

FAQ

Questions about set_game_cover

What does the set_game_cover tool do? +

Set a game. It is categorised as a Write tool in the Lutris MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_game_cover? +

Register the Lutris MCP Server MCP server in PolicyLayer and add a rule for set_game_cover: 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 Lutris MCP Server. Nothing to install.

What risk level is set_game_cover? +

set_game_cover is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit set_game_cover? +

Yes. Add a rate_limit block to the set_game_cover 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 set_game_cover completely? +

Set action: deny in the PolicyLayer policy for set_game_cover. 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 set_game_cover? +

set_game_cover is provided by the Lutris MCP Server MCP server (praeses0/lutris-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.