convert_native_to_image · AdButler MCP: Risk & Policy

WHAT IT DOES

What convert_native_to_image does on AdButler

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

PARAMETERS

Parameter	Type	Required	Description
`id`	number	Yes	Native ad item ID

Parameters from the server's own tool schema.

WHY IT NEEDS A POLICY

Why convert_native_to_image needs a policy

This tool creates a modified version of ad data (converting from native to image format), which is a reversible change to ad item structure. It does not retrieve data (Read), execute arbitrary code (Execute), irreversibly delete data (Destructive), or move money (Financial).

From the tool's definition Tool converts/transforms a native ad item to an image ad item, which modifies the ad item structure. The description uses the word 'convert', indicating a modification operation rather than retrieval or deletion.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

convert_native_to_image Rate-limited

convert_native_to_image 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": {
    "convert_native_to_image": {
      "limits": [
        {
          "counter": "convert_native_to_image_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 AdButler, so you can run agents against it safely.

FAQ

Questions about convert_native_to_image

What does the convert_native_to_image tool do? +

Convert a native ad item to an image ad item. It is categorised as a Write tool in the AdButler MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does convert_native_to_image accept? +

convert_native_to_image accepts 1 parameter: id. Required: id. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on convert_native_to_image? +

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

What risk level is convert_native_to_image? +

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

Can I rate-limit convert_native_to_image? +

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

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

convert_native_to_image is provided by the AdButler MCP server (adbutler/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.