Search players by partial username (case-insensitive).
AI agents call find_player to retrieve information from Minecraft Survival 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 player information from the game state without modifying, creating, deleting, or executing any actions. It is a simple lookup/query operation analogous to a database search. The blast radius if misused is minimal: an agent could spam searches but cannot harm game state, finances, or execute arbitrary operations.
From the tool's definition Tool description states it 'Search players by partial username' — a query operation with no side effects. The verb 'search' and 'find' indicate retrieval only.
Attacks that exploit this kind of access
Search players by partial username (case-insensitive). It is categorised as a Read tool in the Minecraft Survival MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Minecraft Survival MCP Server MCP server in PolicyLayer and add a rule for find_player: 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 Minecraft Survival MCP Server. Nothing to install.
find_player 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_player 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_player. 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_player is provided by the Minecraft Survival MCP Server MCP server (netherite-stack/minecraft-survival-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
find_player is one line of Minecraft Survival MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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