crow_miniflux_feeds

THE RISK

Low Risk

Why crow_miniflux_feeds needs a policy

This tool queries and retrieves RSS feed data and metadata. It performs no side effects, does not modify data, does not execute operations, and does not delete or move resources. The read-only nature (listing with unread counts and metadata) places it squarely in the Read category with low severity since exposure would only risk information disclosure of feed subscription data.

From the tool's definition Tool name contains 'list' verb pattern and description states 'List all RSS feeds with unread counts and metadata' - purely retrieves feed information without modification or execution.

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

POLICY

How to control crow_miniflux_feeds

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_miniflux_feeds:

policy.json

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

crow_miniflux_feeds 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.
Rate Limiting MCP Tool Calls: A Practical Guide →
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FAQ

Questions about crow_miniflux_feeds

What does the crow_miniflux_feeds tool do? +

List all RSS feeds with unread counts and metadata. 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_miniflux_feeds? +

Register the Crow MCP server in PolicyLayer and add a rule for crow_miniflux_feeds: 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_miniflux_feeds? +

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

Can I rate-limit crow_miniflux_feeds? +

Yes. Add a rate_limit block to the crow_miniflux_feeds 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_miniflux_feeds completely? +

Set action: deny in the PolicyLayer policy for crow_miniflux_feeds. 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_miniflux_feeds? +

crow_miniflux_feeds 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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