add_pushable_rock · Ice Puzzle MCP: Risk & Policy

WHAT IT DOES

What add_pushable_rock does on Ice Puzzle

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

WHY IT NEEDS A POLICY

Why add_pushable_rock needs a policy

The tool adds game objects (pushable rocks) to an Ice Puzzle level, modifying the level design. This is a Write-category action because it creates new data that can be reversed (rocks can be removed via other tools like clear_level or clear_region visible in sibling tools).

From the tool's definition Tool name 'add_pushable_rock' and description 'Add pushable rocks' indicate creation/modification of level elements. This is a Write operation that creates or modifies game level data reversibly.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_pushable_rock Rate-limited

add_pushable_rock 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": {
    "add_pushable_rock": {
      "limits": [
        {
          "counter": "add_pushable_rock_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 Ice Puzzle, so you can run agents against it safely.

FAQ

Questions about add_pushable_rock

What does the add_pushable_rock tool do? +

Add pushable rocks. It is categorised as a Write tool in the Ice Puzzle MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_pushable_rock? +

Register the Ice Puzzle MCP server in PolicyLayer and add a rule for add_pushable_rock: 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 Ice Puzzle. Nothing to install.

What risk level is add_pushable_rock? +

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

Can I rate-limit add_pushable_rock? +

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

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

add_pushable_rock is provided by the Ice Puzzle MCP server (wmoten/ice-puzzle-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.