create_board · Minesweeper MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_board does on Minesweeper MCP Server

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

WHY IT NEEDS A POLICY

Why create_board needs a policy

This tool is a Write operation as it creates new data (a Minesweeper board) in a reversible manner. It has low severity because: (1) it operates only within the game context with no side effects on external systems or user data, (2) the board can be deleted via delete_board, (3) creating a game board poses minimal risk even if misused by an AI agent.

From the tool's definition The tool creates a new Minesweaker board with specified dimensions and mine count. This is a creation operation that generates new game state data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_board Rate-limited

create_board 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": {
    "create_board": {
      "limits": [
        {
          "counter": "create_board_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 Minesweeper MCP Server, so you can run agents against it safely.

FAQ

Questions about create_board

What does the create_board tool do? +

Create a new Minesweeper board with specified dimensions and mine count. It is categorised as a Write tool in the Minesweeper 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 create_board? +

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

What risk level is create_board? +

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

Can I rate-limit create_board? +

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

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

create_board is provided by the Minesweeper MCP Server MCP server (vic563/mindsweeper-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.