image_optimize · TSCodex MCP Images MCP: Risk & Policy

WHAT IT DOES

What image_optimize does on TSCodex MCP Images

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

WHY IT NEEDS A POLICY

Why image_optimize needs a policy

This tool modifies image files by optimizing them through compression and format conversion. These are reversible operations that change file content but do not permanently delete data or execute arbitrary code. The modifications can be undone by restoring from backups or re-uploading original files.

From the tool's definition Tool description states it will "compress, convert to best format, reduce file size" on local images, indicating modification of existing image files.

Risk signalsAdmin/system-level operation

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

image_optimize Rate-limited

image_optimize 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": {
    "image_optimize": {
      "limits": [
        {
          "counter": "image_optimize_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 TSCodex MCP Images, so you can run agents against it safely.

FAQ

Questions about image_optimize

What does the image_optimize tool do? +

Automatically optimize local image: compress, convert to best format, reduce file size. All paths are relative to the project root. It is categorised as a Write tool in the TSCodex MCP Images MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on image_optimize? +

Register the TSCodex MCP Images MCP server in PolicyLayer and add a rule for image_optimize: 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 TSCodex MCP Images. Nothing to install.

What risk level is image_optimize? +

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

Can I rate-limit image_optimize? +

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

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

image_optimize is provided by the TSCodex MCP Images MCP server (unbywyd/tscodex-mcp-images). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.