Find potential duplicate games (same directory or similar slugs)
AI agents call find_duplicates to retrieve information from Lutris MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool reads and compares existing game entries in the Lutris database to identify duplicates based on directory paths or slug similarity. This is a non-destructive, side-effect-free query operation. No data is created, modified, deleted, or executed. The blast radius of misuse is minimal (an AI might report false positives or spam duplicate detection), warranting low severity.
From the tool's definition Tool description states it 'Find[s] potential duplicate games' — a query/search operation that identifies matching records.
Attacks that exploit this kind of access
Find potential duplicate games (same directory or similar slugs). It is categorised as a Read tool in the Lutris MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Lutris MCP Server MCP server in PolicyLayer and add a rule for find_duplicates: 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.
find_duplicates 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 find_duplicates 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 find_duplicates. 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.
find_duplicates 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.
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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