AI agents call vast42_get_icon to retrieve information from AdButler without modifying anything — 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 4.2 icon ID |
Parameters from the server's own tool schema.
This tool retrieves a VAST 4.2 icon without side effects. It performs a simple query/fetch operation on existing advertising metadata. No data is created, modified, deleted, or executed. The blast radius of misuse is minimal—an agent could only retrieve icon data that likely has minimal security or business sensitivity in an ad management context.
From the tool's definition Tool name 'vast42_get_icon' with description 'Get a single VAST 4.2 icon' indicates a retrieval operation. The verb 'Get' and lack of any modification, deletion, or execution language confirm read-only functionality.
Attacks that exploit this kind of access
Get a single VAST 4.2 icon. It is categorised as a Read tool in the AdButler MCP Server, which means it retrieves data without modifying state.
vast42_get_icon 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 vast42_get_icon: 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.
vast42_get_icon 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 vast42_get_icon 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 vast42_get_icon. 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.
vast42_get_icon 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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