get_mel_spectrum

Get 40-band mel spectrum from FluCoMa (5x resolution of get_master_spectrum).

SERVERLivepilot SOURCElivepilot

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-dreamrec-livepilot/get-mel-spectrum.md

WHAT IT DOES

What get_mel_spectrum does on Livepilot

AI agents call get_mel_spectrum to retrieve information from Livepilot without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_mel_spectrum is rated Low

This tool retrieves spectral analysis data from an existing audio source (FluCoMa is a feature extraction library). It performs a read-only query of audio properties and returns computed spectral information. There is no creation, modification, deletion, execution of arbitrary code, or financial impact.

From the tool's definition Tool name is 'get_mel_spectrum' and description states 'Get 40-band mel spectrum from FluCoMa' — the verb 'Get' indicates retrieval of audio analysis data with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_mel_spectrum safely

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

get_mel_spectrum Allowed

get_mel_spectrum is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_mel_spectrum": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Livepilot, apply this rule, and every get_mel_spectrum call is checked against it from then on.

FAQ

Questions about get_mel_spectrum

What does the get_mel_spectrum tool do? +

Get 40-band mel spectrum from FluCoMa (5x resolution of get_master_spectrum). It is categorised as a Read tool in the Livepilot MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_mel_spectrum? +

Register the Livepilot MCP server in PolicyLayer and add a rule for get_mel_spectrum: 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 Livepilot. Nothing to install.

What risk level is get_mel_spectrum? +

get_mel_spectrum is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_mel_spectrum? +

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

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

get_mel_spectrum is provided by the Livepilot MCP server (livepilot). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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