AI agents call get_recent_listens to retrieve information from Rewind without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves user listening history from Last.fm and provides metadata (album covers, music links). It performs no modifications, deletions, or external state changes. The scope is limited to reading personal music listening data. Low severity because misuse would only expose or retrieve existing data without enabling system compromise or data destruction.
From the tool's definition Tool name 'get_recent_listens' and description 'Get recently scrobbled tracks from Last.fm' indicates retrieval of historical data. The phrase 'Supports date filtering' and 'Apple Music resource links' confirm this is a query operation with no side effects.
Attacks that exploit this kind of access
Get recently scrobbled tracks from Last.fm, with top-N album covers and Apple Music resource links. Supports date filtering. It is categorised as a Read tool in the Rewind MCP Server, which means it retrieves data without modifying state.
Register the Rewind MCP server in PolicyLayer and add a rule for get_recent_listens: 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 Rewind. Nothing to install.
get_recent_listens 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_recent_listens 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_recent_listens. 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_recent_listens is provided by the Rewind MCP server (rewind-mcp-server). 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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