start_recording

Start recording audio from the default microphone

SERVERVoice Recorder MCP Server SOURCEdefibax/mcp_servers

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/defibax-mcp-servers/start-recording.md

WHAT IT DOES

What start_recording does on Voice Recorder MCP Server

AI agents invoke start_recording to trigger actions in Voice Recorder MCP Server. 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.

RISK

Why start_recording is rated High

This falls under Execute rather than Read because it actively initiates a hardware operation (microphone recording) rather than merely querying or retrieving existing data. It is not Destructive, Write, or Financial.

From the tool's definition The tool 'start_recording' triggers an external operation (audio capture from hardware) whose effects depend on runtime conditions and subsequent agent actions.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs start_recording safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Voice Recorder MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For start_recording, this is the rule to start with:

start_recording Rate-limited

start_recording 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": {
    "start_recording": {
      "limits": [
        {
          "counter": "start_recording_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Voice Recorder MCP Server, apply this rule, and every start_recording call is checked against it from then on.

FAQ

Questions about start_recording

What does the start_recording tool do? +

Start recording audio from the default microphone. It is categorised as a Execute tool in the Voice Recorder MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on start_recording? +

Register the Voice Recorder MCP Server MCP server in PolicyLayer and add a rule for start_recording: 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 Voice Recorder MCP Server. Nothing to install.

What risk level is start_recording? +

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

Can I rate-limit start_recording? +

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

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

start_recording is provided by the Voice Recorder MCP Server MCP server (defibax/mcp_servers). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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