add_scale_run · Ableton Mcp Lofifren MCP: Risk & Policy

WHAT IT DOES

What add_scale_run does on Ableton Mcp Lofifren

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

WHY IT NEEDS A POLICY

Why add_scale_run needs a policy

The 'add_' prefix combined with the context of music production tools suggests this creates or inserts a scale run (a sequence of notes) into the arrangement. This is a Write operation—it modifies the musical composition reversibly without executing arbitrary code or deleting data.

From the tool's definition Tool name 'add_scale_run' with prefix 'add_' indicates creation/modification of musical content. Sibling tools like 'add_notes_to_clip', 'add_drum_pattern', and 'add_chord_progression' confirm this server's pattern of creating/modifying Ableton Live…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_scale_run Rate-limited

add_scale_run 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": {
    "add_scale_run": {
      "limits": [
        {
          "counter": "add_scale_run_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 Mcp Lofifren, so you can run agents against it safely.

FAQ

Questions about add_scale_run

What does the add_scale_run tool do? +

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

How do I enforce a policy on add_scale_run? +

Register the Ableton Mcp Lofifren MCP server in PolicyLayer and add a rule for add_scale_run: 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 Mcp Lofifren. Nothing to install.

What risk level is add_scale_run? +

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

Can I rate-limit add_scale_run? +

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

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

add_scale_run is provided by the Ableton Mcp Lofifren MCP server (lofifren/ableton-mcp-lofifren). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.