Extracts binary structural info including length, bit rates, sample speeds and channel metrics.
AI agents call get_audio_metadata to retrieve information from MCP Audio Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool reads and returns metadata about audio files (duration, bitrate, sample rate, channels) without modifying data, executing code, or producing side effects. This is a straightforward data retrieval operation characteristic of Read category tools.
From the tool's definition Extracts binary structural info including length, bit rates, sample speeds and channel metrics — this is purely informational retrieval with no modification or execution.
Attacks that exploit this kind of access
Extracts binary structural info including length, bit rates, sample speeds and channel metrics. It is categorised as a Read tool in the MCP Audio Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Audio Server MCP server in PolicyLayer and add a rule for get_audio_metadata: 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 MCP Audio Server. Nothing to install.
get_audio_metadata 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 get_audio_metadata 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 get_audio_metadata. 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.
get_audio_metadata is provided by the MCP Audio Server MCP server (thrid3v/speechtotext-fastmcp-n8n-workflow). 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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