crow_jellyfin_now_playing

Get active Jellyfin sessions with current playback information

SERVERCrow SOURCEkh0pper/crow

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/kh0pper-crow/crow-jellyfin-now-playing.md

WHAT IT DOES

What crow_jellyfin_now_playing does on Crow

AI agents call crow_jellyfin_now_playing 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.

RISK

Why crow_jellyfin_now_playing is rated Low

This tool only queries and retrieves information about currently playing media sessions from Jellyfin (a media server). It has no parameters that suggest modification, deletion, or execution of commands. The action is purely informational with no side effects, fitting the Read category. Severity is low because exposure of playback information poses minimal security risk.

From the tool's definition Tool name and description indicate it 'Get[s] active Jellyfin sessions with current playback information' — a read-only query operation that retrieves session and playback state data without modifying anything.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs crow_jellyfin_now_playing 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_jellyfin_now_playing, this is the rule to start with:

crow_jellyfin_now_playing Allowed

crow_jellyfin_now_playing is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Crow, apply this rule, and every crow_jellyfin_now_playing call is checked against it from then on.

FAQ

Questions about crow_jellyfin_now_playing

What does the crow_jellyfin_now_playing tool do? +

Get active Jellyfin sessions with current playback information. 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_jellyfin_now_playing? +

Register the Crow MCP server in PolicyLayer and add a rule for crow_jellyfin_now_playing: 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_jellyfin_now_playing? +

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

Can I rate-limit crow_jellyfin_now_playing? +

Yes. Add a rate_limit block to the crow_jellyfin_now_playing 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_jellyfin_now_playing completely? +

Set action: deny in the PolicyLayer policy for crow_jellyfin_now_playing. 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_jellyfin_now_playing? +

crow_jellyfin_now_playing 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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