move_to_deck · MCP Server Learning MCP: Risk & Policy

WHAT IT DOES

What move_to_deck does on MCP Server Learning

AI agents use move_to_deck to create or update resources in MCP Server Learning — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP Server Learning environment.

WHY IT NEEDS A POLICY

Why move_to_deck needs a policy

Moving items between decks is a reversible modification operation typical of flashcard management systems. It does not delete, execute arbitrary code, or incur financial obligations. The empty description lowers confidence slightly, but the name and server context clearly indicate a Write-category operation affecting the organization of learning materials.

From the tool's definition Tool name 'move_to_deck' suggests relocating flashcards between decks in Anki. The server context indicates Anki integration for flashcard management.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

move_to_deck Rate-limited

move_to_deck stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "move_to_deck": {
      "limits": [
        {
          "counter": "move_to_deck_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches MCP Server Learning, so you can run agents against it safely.

FAQ

Questions about move_to_deck

What does the move_to_deck tool do? +

move_to_deck. It is categorised as a Write tool in the MCP Server Learning MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on move_to_deck? +

Register the MCP Server Learning MCP server in PolicyLayer and add a rule for move_to_deck: 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 MCP Server Learning. Nothing to install.

What risk level is move_to_deck? +

move_to_deck is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit move_to_deck? +

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

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

move_to_deck is provided by the MCP Server Learning MCP server (xstraven/mcp-server-learning). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.