Open the Plot Spectrum window for the selected audio. Select a region first.
AI agents call analyze_plot_spectrum to retrieve information from AudacityMCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs spectral analysis on selected audio and displays results in a window. It reads audio data to generate a frequency plot but does not modify, delete, or execute any changes to the audio content. It is a pure analysis/read operation.
From the tool's definition 'Open the Plot Spectrum window' and 'analyze' prefix indicate this is a read/analysis operation that visualizes frequency data without modifying audio
Documented attack patterns abuse exactly the kind of access analyze_plot_spectrum gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and AudacityMCP, and nothing reaches the server without passing your rules. This is the rule we recommend for analyze_plot_spectrum:
{
"version": "1",
"default": "deny",
"tools": {
"analyze_plot_spectrum": {}
}
}analyze_plot_spectrum is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Open the Plot Spectrum window for the selected audio. Select a region first. It is categorised as a Read tool in the AudacityMCP MCP Server, which means it retrieves data without modifying state.
Register the Audacity MCP server in PolicyLayer and add a rule for analyze_plot_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 AudacityMCP. Nothing to install.
analyze_plot_spectrum 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 analyze_plot_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.
Set action: deny in the PolicyLayer policy for analyze_plot_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.
analyze_plot_spectrum is provided by the Audacity MCP server (xdarkzx/audacity-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 131 AudacityMCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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131 AudacityMCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.