apply_recipe · Ableton Mind MCP: Risk & Policy

WHAT IT DOES

What apply_recipe does on Ableton Mind

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

WHY IT NEEDS A POLICY

Why apply_recipe needs a policy

The tool modifies Ableton Live state by applying recipes (genre patterns, racks, mix chains, arrangement scaffolds) with optional overrides. This creates or modifies music production data reversibly—recipes can be undone in Ableton. The 'NOT fully transactional' note indicates partial atomic guarantees, but the operation is fundamentally a Write (create/modify) rather than Destructive (irreversible delete).

From the tool's definition Apply an embedded recipe by id with optional overrides...returns progress and failed_at/error if a step fails.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

apply_recipe Rate-limited

apply_recipe 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": {
    "apply_recipe": {
      "limits": [
        {
          "counter": "apply_recipe_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 Ableton Mind, so you can run agents against it safely.

FAQ

Questions about apply_recipe

What does the apply_recipe tool do? +

Apply an embedded recipe by id with optional overrides. Use after list_recipes when the user asks for a genre pattern, rack, mix chain, or arrangement scaffold. NOT fully transactional in Phase 5; returns progress and failed_at/error if a step fails. It is categorised as a Write tool in the Ableton Mind MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on apply_recipe? +

Register the Ableton Mind MCP server in PolicyLayer and add a rule for apply_recipe: 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 Ableton Mind. Nothing to install.

What risk level is apply_recipe? +

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

Can I rate-limit apply_recipe? +

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

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

apply_recipe is provided by the Ableton Mind MCP server (ableton-mind). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.