create_profile_variant · Rawtherapee MCP: Risk & Policy

WHAT IT DOES

What create_profile_variant does on Rawtherapee

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

WHY IT NEEDS A POLICY

Why create_profile_variant needs a policy

This tool creates a new profile variant for RAW photo development, which is a reversible write operation. It modifies the editing state by introducing a new variant (similar to other tools like 'add_device_preset_tool' and 'apply_profile' on the same server).

From the tool's definition Tool name 'create_profile_variant' indicates creation of a new profile variant. The server context shows photo development and editing capabilities. The word 'create' in the tool name denotes data creation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_profile_variant Rate-limited

create_profile_variant 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": {
    "create_profile_variant": {
      "limits": [
        {
          "counter": "create_profile_variant_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 Rawtherapee, so you can run agents against it safely.

FAQ

Questions about create_profile_variant

What does the create_profile_variant tool do? +

create_profile_variant. It is categorised as a Write tool in the Rawtherapee MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_profile_variant? +

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

What risk level is create_profile_variant? +

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

Can I rate-limit create_profile_variant? +

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

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

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