crow_navidrome_stream
Get a stream URL for a song in Navidrome. The URL includes authentication and can be used for direct playback.
This record as markdown: /tools/kh0pper-crow/crow-navidrome-stream.md
What crow_navidrome_stream does on Crow
AI agents call crow_navidrome_stream to retrieve information from Crow without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why crow_navidrome_stream is rated Low
This tool retrieves streaming URLs from Navidrome, a music server. It performs a read-only query operation to obtain authentication-wrapped stream URLs for audio playback. No data is created, modified, deleted, or executed; it only returns information needed for media consumption. The inclusion of authentication in the URL is a mechanism for secure access control, not an indication of a higher-risk operation.
From the tool's definition Tool description states 'Get a stream URL for a song in Navidrome' — retrieves a URL for playback without modifying, deleting, or executing external operations.
Attacks that exploit this kind of access
The rule that runs crow_navidrome_stream safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Crow, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For crow_navidrome_stream, this is the rule to start with:
crow_navidrome_stream is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Crow, apply this rule, and every crow_navidrome_stream call is checked against it from then on.
Questions about crow_navidrome_stream
Get a stream URL for a song in Navidrome. The URL includes authentication and can be used for direct playback. It is categorised as a Read tool in the Crow MCP Server, which means it retrieves data without modifying state.
Register the Crow MCP server in PolicyLayer and add a rule for crow_navidrome_stream: 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 Crow. Nothing to install.
crow_navidrome_stream 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 crow_navidrome_stream 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 crow_navidrome_stream. 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.
crow_navidrome_stream is provided by the Crow MCP server (kh0pper/crow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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