photoshop_desaturate · Photoshop MCP Windows-First MCP

WHAT IT DOES

What photoshop_desaturate does on Photoshop MCP Windows-First

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

WHY IT NEEDS A POLICY

Why photoshop_desaturate needs a policy

This tool modifies the active layer by removing color information (converting to grayscale). It is a reversible edit within Photoshop (can be undone via history), making it a Write operation. Misuse could alter image data, but the effect is contained to the active layer in the current document.

From the tool's definition Desaturate the active layer (convert to grayscale)

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

photoshop_desaturate Rate-limited

photoshop_desaturate 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": {
    "photoshop_desaturate": {
      "limits": [
        {
          "counter": "photoshop_desaturate_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 Photoshop MCP Windows-First, so you can run agents against it safely.

FAQ

Questions about photoshop_desaturate

What does the photoshop_desaturate tool do? +

Desaturate the active layer (convert to grayscale). It is categorised as a Write tool in the Photoshop MCP Windows-First MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on photoshop_desaturate? +

Register the Photoshop MCP Windows-First MCP server in PolicyLayer and add a rule for photoshop_desaturate: 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 Photoshop MCP Windows-First. Nothing to install.

What risk level is photoshop_desaturate? +

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

Can I rate-limit photoshop_desaturate? +

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

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

photoshop_desaturate is provided by the Photoshop MCP Windows-First MCP server (rookietopred02-gif/photoshop-mcp-windows-first). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.