Low Risk

getMediaFilesNames

Gets the names of media files matching the glob pattern. Returns a list of filenames.

How to control getMediaFilesNames ↓

What getMediaFilesNames does on Anki

AI agents call getMediaFilesNames to retrieve information from Anki without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why getMediaFilesNames needs a policy

This tool only retrieves metadata (filenames) matching a pattern. It performs a query operation with no side effects—no data is created, modified, deleted, or executed. The worst-case scenario if misused by an agent is disclosure of media filenames in the Anki collection, which is a low-severity information leak.

From the tool's definition Tool description states it 'Gets the names of media files matching the glob pattern' and 'Returns a list of filenames.' The verb 'gets' and 'returns' indicate read-only retrieval with no modification or deletion of data.

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

How to control getMediaFilesNames

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

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "getMediaFilesNames": {}
  }
}

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

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

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Questions about getMediaFilesNames

What does the getMediaFilesNames tool do? +

Gets the names of media files matching the glob pattern. Returns a list of filenames. It is categorised as a Read tool in the Anki MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on getMediaFilesNames? +

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

What risk level is getMediaFilesNames? +

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

Can I rate-limit getMediaFilesNames? +

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

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

getMediaFilesNames is provided by the Anki MCP server (ujisati/anki-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Anki tool call.

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

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40 Anki tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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