trim_png · Mcp Spritesheet Forge MCP: Risk & Policy

WHAT IT DOES

What trim_png does on Mcp Spritesheet Forge

AI agents call trim_png as a supporting operation in Mcp Spritesheet Forge workflows.

WHY IT NEEDS A POLICY

Why trim_png needs a policy

Without any rule in front of it, every call an agent makes to trim_png happens silently — no trail, no cap, no way to know it misbehaved until something breaks downstream.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

trim_png Rate-limited

trim_png gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "trim_png": {
      "limits": [
        {
          "counter": "trim_png_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Mcp Spritesheet Forge, so you can run agents against it safely.

FAQ

Questions about trim_png

What does the trim_png tool do? +

Crop transparent edges from one or more PNG files. Single file returns PNG; multiple files return a ZIP. It is categorised as a Other tool in the Mcp Spritesheet Forge MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on trim_png? +

Register the Mcp Spritesheet Forge MCP server in PolicyLayer and add a rule for trim_png: 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 Mcp Spritesheet Forge. Nothing to install.

What risk level is trim_png? +

trim_png is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit trim_png? +

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

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

trim_png is provided by the Mcp Spritesheet Forge MCP server (laxy9887/game-dev.-spritesheet-forge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

// LOOK UP ANOTHER 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.

Teams ship this data inside their own products. See what a licence covers →