load_image · Whiteboard MCP: Risk & Policy

WHAT IT DOES

What load_image does on Whiteboard

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

WHY IT NEEDS A POLICY

Why load_image needs a policy

This tool creates/adds new content (an image) onto the whiteboard canvas. It is a write operation that places data onto the canvas. It is reversible (the image can be removed), so it does not qualify as Destructive. No code execution or financial implications are involved.

From the tool's definition Load an image file onto the whiteboard canvas

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

load_image Rate-limited

load_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": {
    "load_image": {
      "limits": [
        {
          "counter": "load_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 Whiteboard, so you can run agents against it safely.

FAQ

Questions about load_image

What does the load_image tool do? +

Load an image file onto the whiteboard canvas. It is categorised as a Write tool in the Whiteboard MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on load_image? +

Register the Whiteboard MCP server in PolicyLayer and add a rule for load_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 Whiteboard. Nothing to install.

What risk level is load_image? +

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

Can I rate-limit load_image? +

Yes. Add a rate_limit block to the load_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 load_image completely? +

Set action: deny in the PolicyLayer policy for load_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 load_image? +

load_image is provided by the Whiteboard MCP server (kamiazya/whiteboard). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.