This record as markdown: /tools/adbutler/vast-get-zone.md
What vast_get_zone does on AdButler
AI agents call vast_get_zone to retrieve information from AdButler without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
id | number | Yes | VAST zone ID |
Parameters from the server's own tool schema.
Why vast_get_zone is rated Low
This tool retrieves or queries information about a VAST zone without modifying, deleting, or executing external operations. It is a read-only operation that retrieves existing data, which is characteristic of the Read category. Low severity because unauthorized reads in an ad management context pose minimal direct risk, though information disclosure could have business implications.
From the tool's definition Tool name 'vast_get_zone' with description 'Get details of a specific VAST zone' indicates a retrieval operation with the verb 'Get'.
Attacks that exploit this kind of access
The rule that runs vast_get_zone 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 vast_get_zone, this is the rule to start with:
vast_get_zone is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect AdButler, apply this rule, and every vast_get_zone call is checked against it from then on.
Questions about vast_get_zone
Get details of a specific VAST zone. It is categorised as a Read tool in the AdButler MCP Server, which means it retrieves data without modifying state.
vast_get_zone accepts 1 parameter: id. Required: id. The full parameter table on this page comes from the server's own tool schema.
Register the AdButler MCP server in PolicyLayer and add a rule for vast_get_zone: 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.
vast_get_zone is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the vast_get_zone 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.
Set action: deny in the PolicyLayer policy for vast_get_zone. 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.
vast_get_zone 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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