Get the MP3 stream URL for a SoundCloud track.
AI agents call get_stream_url to retrieve information from Soundcloud without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata (a stream URL) from the SoundCloud library without side effects. It is a pure read operation that queries data and returns a result. The user requested access to stream URLs for tracks they own, which is a legitimate data retrieval use case. No data is modified, deleted, or financial transactions are involved.
From the tool's definition Tool name 'get_stream_url' and description 'Get the MP3 stream URL for a SoundCloud track' indicate retrieval of a URL resource with no modification, creation, deletion, or execution of external operations.
Attacks that exploit this kind of access
Get the MP3 stream URL for a SoundCloud track. It is categorised as a Read tool in the Soundcloud MCP Server, which means it retrieves data without modifying state.
Register the Soundcloud MCP server in PolicyLayer and add a rule for get_stream_url: 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 Soundcloud. Nothing to install.
get_stream_url 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_stream_url 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_stream_url. 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_stream_url is provided by the Soundcloud MCP server (marcellkehmstedt/soundcloud-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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