fire_clip · Ableton MCP Extended MCP: Risk & Policy

WHAT IT DOES

What fire_clip does on Ableton MCP Extended

AI agents invoke fire_clip to trigger actions in Ableton MCP Extended. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why fire_clip needs a policy

This tool executes a command that initiates playback of a musical clip, which is an irreversible action with real-time consequences (audio output, session state change). While not destructive or financial, it falls under Execute because it triggers an operation whose effects depend on which clip is selected/specified.

From the tool's definition "Start playing a clip" — triggers playback action with external effects on the Ableton Live session state and audio output.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

fire_clip Rate-limited

fire_clip stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "fire_clip": {
      "limits": [
        {
          "counter": "fire_clip_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-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 Extended, so you can run agents against it safely.

FAQ

Questions about fire_clip

What does the fire_clip tool do? +

Start playing a clip. It is categorised as a Execute tool in the Ableton MCP Extended MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on fire_clip? +

Register the Ableton MCP Extended MCP server in PolicyLayer and add a rule for fire_clip: 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 fire_clip? +

fire_clip is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit fire_clip? +

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

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

fire_clip is provided by the Ableton MCP Extended MCP server (kevinzhang03/ableton-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.