wait_for_runway_task

THE RISK

High Risk

Why wait_for_runway_task needs a policy

Although framed as a 'wait' operation, this tool executes an external workflow/task via the Runway platform. Since it triggers task completion and depends on arbitrary task IDs to determine effects, it falls under Execute rather than Read. The severity is medium because the blast radius depends on what the underlying Runway task does, but the tool itself initiates external operations.

From the tool's definition The tool 'wait_for_runway_task' accepts a task ID and 'waits for it to complete' with automatic polling. This triggers execution of an external operation (a Runway task) whose effects depend on the task ID argument provided.

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

POLICY

How to control wait_for_runway_task

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "wait_for_runway_task": {
      "limits": [
        {
          "counter": "wait_for_runway_task_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

wait_for_runway_task stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Apple Shortcuts — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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All 423 Apple Shortcuts tools →

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Go deeper

High-risk tools in Apple Shortcuts → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about wait_for_runway_task

What does the wait_for_runway_task tool do? +

Submit a task ID and wait for it to complete. Polls automatically. It is categorised as a Execute tool in the Apple Shortcuts MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on wait_for_runway_task? +

Register the Apple Shortcuts MCP server in PolicyLayer and add a rule for wait_for_runway_task: 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 Apple Shortcuts. Nothing to install.

What risk level is wait_for_runway_task? +

wait_for_runway_task is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit wait_for_runway_task? +

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

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

wait_for_runway_task is provided by the Apple Shortcuts MCP server (@mindstone/mcp-server-apple-shortcuts). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Apple Shortcuts tool call.

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

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