Get current treble frequency
AI agents call getTrebleFrequency to retrieve information from Lyngdorf MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries the current treble frequency setting from a Lyngdorf Audio device. It performs a read-only operation with no capability to modify device state, execute commands, or cause irreversible changes. The lack of side effects and data retrieval nature places it clearly in the Read category with low severity.
From the tool's definition Tool name 'getTrebleFrequency' and description 'Get current treble frequency' indicate a query operation that retrieves audio settings without modification or side effects.
Attacks that exploit this kind of access
Get current treble frequency. It is categorised as a Read tool in the Lyngdorf MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Lyngdorf MCP Server MCP server in PolicyLayer and add a rule for getTrebleFrequency: 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 Lyngdorf MCP Server. Nothing to install.
getTrebleFrequency 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 getTrebleFrequency 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 getTrebleFrequency. 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.
getTrebleFrequency is provided by the Lyngdorf MCP Server MCP server (thejens/lyngdorf-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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