speech_to_text
AI agents call speech_to_text to retrieve information from ElevenLabs MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Speech-to-text transcription retrieves and converts audio data into text without modifying source data or triggering external actions. No side effects, no irreversibility, no financial impact. This is a read operation. Confidence is 0.85 rather than higher only because the tool description is empty, requiring inference from context.
From the tool's definition Tool name 'speech_to_text' indicates audio transcription. Context shows server provides 'transcribe audio' capabilities. Sibling tools include 'isolate_audio' (processing) and 'make_outbound_call' (execute), positioning this as a data retrieval function.
Attacks that exploit this kind of access
speech_to_text. It is categorised as a Read tool in the ElevenLabs MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ElevenLabs MCP Server MCP server in PolicyLayer and add a rule for speech_to_text: 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 MCP Server. Nothing to install.
speech_to_text 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 speech_to_text 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 speech_to_text. 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.
speech_to_text is provided by the ElevenLabs MCP Server MCP server (nguyendinhsinh361/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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