Calculate 3D distance from bot to a player in blocks.
AI agents call distance_to_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 geometric data (distance calculation) from the game state. It performs a read-only query with no side effects—no resources are created, modified, deleted, or consumed. The calculation depends on existing player positions but does not change them. The blast radius of misuse is minimal; even if an agent repeatedly calls this tool, no damage occurs.
From the tool's definition Tool name 'distance_to_player' and description 'Calculate 3D distance from bot to a player in blocks' indicate a query operation that retrieves positional information without modifying game state or executing actions.
Attacks that exploit this kind of access
Calculate 3D distance from bot to a player in blocks. 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 distance_to_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.
distance_to_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 distance_to_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 distance_to_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.
distance_to_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.
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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