List and search available ElevenLabs voices. Trigger:
AI agents call list_voices to retrieve information from ElevenLabs without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries a list of available voices from the ElevenLabs service. It performs no modifications, deletions, or external operations—it simply returns information. This is a classic Read operation with minimal security risk, as it only exposes publicly available voice metadata without enabling any destructive, financial, or execution-based actions.
From the tool's definition Tool name 'list_voices' and description 'List and search available ElevenLabs voices' indicate data retrieval with no side effects. The verb 'List' and 'search' are characteristic of Read operations.
Attacks that exploit this kind of access
List and search available ElevenLabs voices. Trigger:. It is categorised as a Read tool in the ElevenLabs MCP Server, which means it retrieves data without modifying state.
Register the ElevenLabs MCP server in PolicyLayer and add a rule for list_voices: 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.
list_voices 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 list_voices 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 list_voices. 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.
list_voices is provided by the ElevenLabs MCP server (wynandw87/claude-code-elevenlabs-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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