update_draft_item · Playfab MCP: Risk & Policy

WHAT IT DOES

What update_draft_item does on Playfab

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

WHY IT NEEDS A POLICY

Why update_draft_item needs a policy

This tool modifies catalog item data but does not execute arbitrary code, delete data permanently, or commit financial transactions. The operation is reversible (can be updated again). Severity is medium because misuse could corrupt game catalog configuration affecting many users, but the impact is limited to draft items (not published) and modifications can be undone.

From the tool's definition Tool name 'update_draft_item' and description 'Updates an existing draft item in the catalog' indicate modification of existing data via a reversible operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_draft_item Rate-limited

update_draft_item 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": {
    "update_draft_item": {
      "limits": [
        {
          "counter": "update_draft_item_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 Playfab, so you can run agents against it safely.

FAQ

Questions about update_draft_item

What does the update_draft_item tool do? +

Updates an existing draft item in the catalog. It is categorised as a Write tool in the Playfab MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_draft_item? +

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

What risk level is update_draft_item? +

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

Can I rate-limit update_draft_item? +

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

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

update_draft_item is provided by the Playfab MCP server (@akiojin/playfab-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.