factory_apply_stub

SERVERDutyDeck SOURCEtaokoplay/DutyDeck

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/dutydeck/factory-apply-stub.md

WHAT IT DOES

What factory_apply_stub does on DutyDeck

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

RISK

Why factory_apply_stub is rated Medium

An AI agent can call factory_apply_stub faster than any human can review: one bad instruction and it creates or modifies resources in DutyDeck by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs factory_apply_stub safely

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

factory_apply_stub Rate-limited

factory_apply_stub 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": {
    "factory_apply_stub": {
      "limits": [
        {
          "counter": "factory_apply_stub_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 DutyDeck, apply this rule, and every factory_apply_stub call is checked against it from then on.

FAQ

Questions about factory_apply_stub

What does the factory_apply_stub tool do? +

Step 2 of 2: write the previously prepared stub. Only a preparedId issued by factory_prepare_stub is accepted, and the written payload is exactly the snapshot that was shown for approval. Stubs are local test devices: they do not change the scene version, are not exported, and a run that used placeholders is marked as such. It is categorised as a Write tool in the DutyDeck MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on factory_apply_stub? +

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

What risk level is factory_apply_stub? +

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

Can I rate-limit factory_apply_stub? +

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

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

factory_apply_stub is provided by the DutyDeck MCP server (taokoplay/DutyDeck). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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