AI agents call audible_get_listening_stats to retrieve information from Audible without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves listening statistics without creating, modifying, deleting, or executing any operations. It is purely informational and read-only. The data retrieved is the user's own listening history aggregates, posing minimal risk even if accessed by an AI agent.
From the tool's definition Tool name contains 'get' and description states 'Fetch aggregate listening stats' — a retrieval operation with no data modification, deletion, or external state change.
Attacks that exploit this kind of access
Fetch aggregate listening stats. The default window is the current month plus the prior two months. It is categorised as a Read tool in the Audible MCP Server, which means it retrieves data without modifying state.
Register the Audible MCP server in PolicyLayer and add a rule for audible_get_listening_stats: 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 Audible. Nothing to install.
audible_get_listening_stats 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 audible_get_listening_stats 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 audible_get_listening_stats. 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.
audible_get_listening_stats is provided by the Audible MCP server (tannerwj/audible-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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