List all online players and the server
AI agents call list_players to retrieve information from Minecraft Server MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only operation to enumerate online players and server details. It has no side effects, does not execute commands, modify data, delete resources, or commit financial transactions. The information retrieved is transient and non-sensitive in the context of game administration.
From the tool's definition Tool name 'list_players' and description 'List all online players and the server' indicate a query operation that retrieves player information without modifying state.
Attacks that exploit this kind of access
List all online players and the server. It is categorised as a Read tool in the Minecraft Server MCP MCP Server, which means it retrieves data without modifying state.
Register the Minecraft Server MCP server in PolicyLayer and add a rule for list_players: 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 Server MCP. Nothing to install.
list_players 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 list_players 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 list_players. 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.
list_players is provided by the Minecraft Server MCP server (tamo2918/minecraft-server-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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