crisp_upscale · Mcp Recraft Server MCP: Risk & Policy

WHAT IT DOES

What crisp_upscale does on Mcp Recraft Server

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

WHY IT NEEDS A POLICY

Why crisp_upscale needs a policy

This tool generates and stores a modified image (upscaled version), which constitutes reversible data creation/modification. It does not permanently delete data (Destructive), execute arbitrary code (Execute), involve financial transactions (Financial), or merely read data (Read).

From the tool's definition Tool performs 'Crisp upscale of the input image' — modifies/transforms an image through the Recraft API, creating a new derivative image asset.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

crisp_upscale Rate-limited

crisp_upscale 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": {
    "crisp_upscale": {
      "limits": [
        {
          "counter": "crisp_upscale_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 Mcp Recraft Server, so you can run agents against it safely.

FAQ

Questions about crisp_upscale

What does the crisp_upscale tool do? +

Crisp upscale of the input image using Recraft.\n. It is categorised as a Write tool in the Mcp Recraft Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on crisp_upscale? +

Register the Mcp Recraft Server MCP server in PolicyLayer and add a rule for crisp_upscale: 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 Recraft Server. Nothing to install.

What risk level is crisp_upscale? +

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

Can I rate-limit crisp_upscale? +

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

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

crisp_upscale is provided by the Mcp Recraft Server MCP server (@recraft-ai/mcp-recraft-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.