image_convert · farshid-mcp-imageProcessing MCP

WHAT IT DOES

What image_convert does on farshid-mcp-imageProcessing

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

WHY IT NEEDS A POLICY

Why image_convert needs a policy

Image format conversion creates a new image file or modifies an existing one, but the operation is fully reversible (can convert back to original format) and causes no data loss beyond lossy compression inherent to certain formats. This is a write operation rather than read (it produces output) or execute (no arbitrary code execution).

From the tool's definition Tool name 'image_convert' and description state it 'Convert an image between formats by extension' - this modifies image data by re-encoding it to a different format, which is a reversible write operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

image_convert Rate-limited

image_convert 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_convert": {
      "limits": [
        {
          "counter": "image_convert_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 farshid-mcp-imageProcessing, so you can run agents against it safely.

FAQ

Questions about image_convert

What does the image_convert tool do? +

Convert an image between formats by extension (e.g. .jpg, .png, .webp, .bmp). It is categorised as a Write tool in the farshid-mcp-imageProcessing 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_convert? +

Register the farshid-mcp-imageProcessing MCP server in PolicyLayer and add a rule for image_convert: 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 farshid-mcp-imageProcessing. Nothing to install.

What risk level is image_convert? +

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

Can I rate-limit image_convert? +

Yes. Add a rate_limit block to the image_convert 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_convert completely? +

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

image_convert is provided by the farshid-mcp-imageProcessing MCP server (pirahansiah/farshid-mcp-imageprocessing). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.