ms_flag_cell · Ttt MCP: Risk & Policy

WHAT IT DOES

What ms_flag_cell does on Ttt

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

WHY IT NEEDS A POLICY

Why ms_flag_cell needs a policy

The tool toggles a flag marker on a Minesweeper-like game cell. This is a reversible write operation (flag can be planted or removed). It has no real-world side effects, financial implications, or destructive consequences. Severity is low as misuse only affects an in-memory game state. Confidence is slightly reduced because the description appears truncated ('Flufflings won') suggesting incomplete documentation.

From the tool's definition 'Plant or remove a warning post (P) on a square to mark a suspected mine' — this creates or removes a marker on a game cell, which is a reversible modification of game state

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ms_flag_cell Rate-limited

ms_flag_cell 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": {
    "ms_flag_cell": {
      "limits": [
        {
          "counter": "ms_flag_cell_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 Ttt, so you can run agents against it safely.

FAQ

Questions about ms_flag_cell

What does the ms_flag_cell tool do? +

Plant or remove a warning post (P) on a square to mark a suspected mine. Flufflings won. It is categorised as a Write tool in the Ttt MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on ms_flag_cell? +

Register the Ttt MCP server in PolicyLayer and add a rule for ms_flag_cell: 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 Ttt. Nothing to install.

What risk level is ms_flag_cell? +

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

Can I rate-limit ms_flag_cell? +

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

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

ms_flag_cell is provided by the Ttt MCP server (srmtech-git/mcparcade). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.