crow_navidrome_albums

THE RISK

Low Risk

Why crow_navidrome_albums needs a policy

This tool queries and retrieves album information from a Navidrome music server with optional sorting and pagination parameters. It has no capability to create, modify, delete, or execute operations — it only reads and presents existing data. The blast radius of misuse is minimal, as an AI agent could at worst retrieve unwanted album metadata, which has no security or operational impact.

From the tool's definition Tool description states 'Browse Navidrome albums with sorting and pagination' — browse and pagination are read-only operations that retrieve and display data without modification.

Documented attack patterns abuse exactly the kind of access crow_navidrome_albums gives an agent:

POLICY

How to control crow_navidrome_albums

PolicyLayer is an MCP gateway — it sits between your AI agents and Crow, and nothing reaches the server without passing your rules. This is the rule we recommend for crow_navidrome_albums:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "crow_navidrome_albums": {}
  }
}

crow_navidrome_albums is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Crow — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
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FAQ

Questions about crow_navidrome_albums

What does the crow_navidrome_albums tool do? +

Browse Navidrome albums with sorting and pagination. It is categorised as a Read tool in the Crow MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on crow_navidrome_albums? +

Register the Crow MCP server in PolicyLayer and add a rule for crow_navidrome_albums: 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.

What risk level is crow_navidrome_albums? +

crow_navidrome_albums is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit crow_navidrome_albums? +

Yes. Add a rate_limit block to the crow_navidrome_albums 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.

How do I block crow_navidrome_albums completely? +

Set action: deny in the PolicyLayer policy for crow_navidrome_albums. 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.

What MCP server provides crow_navidrome_albums? +

crow_navidrome_albums 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.

Enforce policy on every Crow tool call.

Start from Crow, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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