vast42_create_universal_ad_id

Create a VAST 4.2 universal ad ID

SERVERAdButler SOURCEadbutler/mcp-server

Medium RISK CLASS

Category Write

Parameters 30 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/adbutler/vast42-create-universal-ad-id.md

WHAT IT DOES

What vast42_create_universal_ad_id does on AdButler

AI agents use vast42_create_universal_ad_id to create or update resources in AdButler, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your AdButler environment.

Parameter	Type	Required	Description
`name`	string	—	Universal ad ID name
`id_value`	string	—	ID value
`id_registry`	string	—	ID registry

Parameters from the server's own tool schema.

RISK

Why vast42_create_universal_ad_id is rated Medium

The tool creates new data (a universal ad ID) that can be used for ad tracking and identification. This is a reversible write operation—the ID can be modified or archived without permanent loss. However, it's not a simple read operation, and it doesn't execute arbitrary code, delete data irreversibly, or move money.

From the tool's definition Tool name and description indicate creation of a VAST 4.2 universal ad ID, which is a data creation operation ('Create'). VAST is an XML standard for digital advertising, and creating an ad ID involves writing/storing a new identifier in the AdButler system.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs vast42_create_universal_ad_id safely

PolicyLayer is an MCP gateway: it sits between your AI agents and AdButler, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For vast42_create_universal_ad_id, this is the rule to start with:

vast42_create_universal_ad_id Rate-limited

vast42_create_universal_ad_id 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": {
    "vast42_create_universal_ad_id": {
      "limits": [
        {
          "counter": "vast42_create_universal_ad_id_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 AdButler, apply this rule, and every vast42_create_universal_ad_id call is checked against it from then on.

FAQ

Questions about vast42_create_universal_ad_id

What does the vast42_create_universal_ad_id tool do? +

Create a VAST 4.2 universal ad ID. It is categorised as a Write tool in the AdButler MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does vast42_create_universal_ad_id accept? +

vast42_create_universal_ad_id accepts 3 parameters: name, id_value, id_registry. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on vast42_create_universal_ad_id? +

Register the AdButler MCP server in PolicyLayer and add a rule for vast42_create_universal_ad_id: 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 AdButler. Nothing to install.

What risk level is vast42_create_universal_ad_id? +

vast42_create_universal_ad_id is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit vast42_create_universal_ad_id? +

Yes. Add a rate_limit block to the vast42_create_universal_ad_id 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 vast42_create_universal_ad_id completely? +

Set action: deny in the PolicyLayer policy for vast42_create_universal_ad_id. 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 vast42_create_universal_ad_id? +

vast42_create_universal_ad_id is provided by the AdButler MCP server (adbutler/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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