cancel_voice_capture · Pronunciation & Voice Coach MCP

WHAT IT DOES

What cancel_voice_capture does on Pronunciation & Voice Coach

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

WHY IT NEEDS A POLICY

Why cancel_voice_capture needs a policy

This tool modifies the state of an existing voice capture record by marking it as cancelled. It is a reversible state change (Write), not a destructive deletion. The blast radius is low since it only affects an in-progress voice capture session.

From the tool's definition Mark a background voice capture as cancelled

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

cancel_voice_capture Rate-limited

cancel_voice_capture 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": {
    "cancel_voice_capture": {
      "limits": [
        {
          "counter": "cancel_voice_capture_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 Pronunciation & Voice Coach, so you can run agents against it safely.

FAQ

Questions about cancel_voice_capture

What does the cancel_voice_capture tool do? +

Mark a background voice capture as cancelled. It is categorised as a Write tool in the Pronunciation & Voice Coach MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on cancel_voice_capture? +

Register the Pronunciation & Voice Coach MCP server in PolicyLayer and add a rule for cancel_voice_capture: 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 Pronunciation & Voice Coach. Nothing to install.

What risk level is cancel_voice_capture? +

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

Can I rate-limit cancel_voice_capture? +

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

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

cancel_voice_capture is provided by the Pronunciation & Voice Coach MCP server (pypi:mcp-server-pronunciation). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.