suspend_cards

A write tool on the Anki MCP server.

SERVERAnki SOURCE@arielbk/anki-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-arielbk-anki-mcp/suspend-cards.md

WHAT IT DOES

What suspend_cards does on Anki

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

RISK

Why suspend_cards is rated Medium

Suspending cards is a reversible state modification—cards remain in the database but are hidden from study. This is Write-level (modifies data) rather than Destructive (which would be permanent deletion). Severity is medium because misuse could hide important review material, but the action is fully reversible by unsuspending.

From the tool's definition Tool name 'suspend_cards' indicates suspension (state change) of cards in Anki. While description is empty, context from sibling tools (add_note, add_tags_to_notes, answer_cards) and server description (Anki flashcard integration) confirm this modifies card…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs suspend_cards safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Anki, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For suspend_cards, this is the rule to start with:

suspend_cards Rate-limited

suspend_cards 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": {
    "suspend_cards": {
      "limits": [
        {
          "counter": "suspend_cards_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about suspend_cards

What does the suspend_cards tool do? +

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

How do I enforce a policy on suspend_cards? +

Register the Anki MCP server in PolicyLayer and add a rule for suspend_cards: 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 suspend_cards? +

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

Can I rate-limit suspend_cards? +

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

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

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

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