verify_pvc_voice_captcha
A read tool on the Elevenlabs MCP server.
This record as markdown: /tools/aiwerk-mcp-server-elevenlabs/verify-pvc-voice-captcha.md
What verify_pvc_voice_captcha does on Elevenlabs
AI agents call verify_pvc_voice_captcha to retrieve information from Elevenlabs without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
voice_id | string | Yes | Voice ID to be used, you can use https://api.elevenlabs.io/v1/voices to list all the available voices. |
recording_path | string | — | Audio recording of the user Local path. Required for this call. |
recording_base64 | string | — | Base64 contents for "recording". Use this when the server cannot read your local disk. |
recording_filename | string | — | Filename to send for "recording". Some endpoints infer the audio format from it. |
Parameters from the server's own tool schema.
Why verify_pvc_voice_captcha is rated Low
Even though verify_pvc_voice_captcha only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs verify_pvc_voice_captcha safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Elevenlabs, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For verify_pvc_voice_captcha, this is the rule to start with:
verify_pvc_voice_captcha is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Elevenlabs, apply this rule, and every verify_pvc_voice_captcha call is checked against it from then on.
Questions about verify_pvc_voice_captcha
verify_pvc_voice_captcha is a read tool on the Elevenlabs MCP server. It is categorised as a Read tool in the Elevenlabs MCP Server, which means it retrieves data without modifying state.
verify_pvc_voice_captcha accepts 4 parameters: voice_id, recording_path, recording_base64, recording_filename. Required: voice_id. The full parameter table on this page comes from the server's own tool schema.
Register the Elevenlabs MCP server in PolicyLayer and add a rule for verify_pvc_voice_captcha: 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 Elevenlabs. Nothing to install.
verify_pvc_voice_captcha is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the verify_pvc_voice_captcha 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.
Set action: deny in the PolicyLayer policy for verify_pvc_voice_captcha. 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.
verify_pvc_voice_captcha is provided by the Elevenlabs MCP server (@aiwerk/mcp-server-elevenlabs). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Elevenlabs, and thousands of servers like it.
This server
Across the catalogue