Medium Risk

set_track_name

Set the name of a track. Parameters: - track_index: Track number (1-based). - name: The new name for the track.

How to control set_track_name ↓

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

Medium Risk

Renaming a track in Ableton Live is a reversible data modification with minimal blast radius. It does not execute code, trigger external operations, delete data irreversibly, or involve financial transactions. It is clearly a Write operation—metadata mutation without side effects beyond the name change itself.

From the tool's definition Tool description states it will "Set the name of a track" by accepting a track_index and new name parameter. This is a modification operation that creates or changes metadata.

Documented attack patterns abuse exactly the kind of access set_track_name gives an agent:

PolicyLayer is an MCP gateway — it sits between your AI agents and Ableton MCP Extended, and nothing reaches the server without passing your rules. This is the rule we recommend for set_track_name:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_track_name": {
      "limits": [
        {
          "counter": "set_track_name_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

set_track_name 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.

  1. Create a free account and register Ableton MCP Extended — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Go deeper

What does the set_track_name tool do? +

Set the name of a track. Parameters: - track_index: Track number (1-based). - name: The new name for the track. It is categorised as a Write tool in the Ableton MCP Extended MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_track_name? +

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

What risk level is set_track_name? +

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

Can I rate-limit set_track_name? +

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

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

set_track_name is provided by the Ableton MCP Extended MCP server (uisato/ableton-mcp-extended). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Ableton MCP Extended tool call.

Deterministic rules across all 46 Ableton MCP Extended tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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46 Ableton MCP Extended tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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