search_media

THE RISK

Low Risk

Why search_media needs a policy

This tool queries and retrieves media library information from Jellyfin. It has no side effects—it does not create, modify, delete, or execute operations. Even with pagination support, it remains a straightforward data retrieval function.

From the tool's definition Tool description states 'Search or list content in the Jellyfin library' with support for pagination. The verbs 'search' and 'list' are explicitly read-only operations that retrieve data without modification.

Risk signalsBulk/mass operation — affects multiple targets

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

POLICY

How to control search_media

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

policy.json

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

search_media 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 Mediabox MCP — 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 →

Free to start. No card required.

EXPLORE

Related tools and policies

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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 →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about search_media

What does the search_media tool do? +

Search or list content in the Jellyfin library. Omit query to list all items of a type. Supports pagination. It is categorised as a Read tool in the Mediabox MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on search_media? +

Register the Mediabox MCP server in PolicyLayer and add a rule for search_media: 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 Mediabox MCP. Nothing to install.

What risk level is search_media? +

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

Can I rate-limit search_media? +

Yes. Add a rate_limit block to the search_media 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 search_media completely? +

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

search_media is provided by the Mediabox MCP server (juancmpdev/mediabox-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mediabox MCP tool call.

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

CHECK YOUR STACK →