vast_list_media

List all VAST media (linear and non-linear)

SERVERAdButler SOURCEadbutler/mcp-server

Low RISK CLASS

Category Read

Parameters 20 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/adbutler/vast-list-media.md

WHAT IT DOES

What vast_list_media does on AdButler

AI agents call vast_list_media 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
`limit`	number	—	Max results to return (default 100, max 100)
`offset`	number	—	Pagination offset

Parameters from the server's own tool schema.

RISK

Why vast_list_media is rated Low

This tool performs a query operation to retrieve and display VAST media information. It has no side effects, does not modify data, does not execute arbitrary code, and does not involve financial transactions. The 'list' verb confirms it is a read-only operation. Severity is low because listing media poses minimal risk even if misused by an AI agent.

From the tool's definition Tool name 'vast_list_media' and description 'List all VAST media (linear and non-linear)' both indicate a retrieval operation with no modification or deletion of data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs vast_list_media 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_list_media, this is the rule to start with:

vast_list_media Allowed

vast_list_media is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "vast_list_media": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect AdButler, apply this rule, and every vast_list_media call is checked against it from then on.

FAQ

Questions about vast_list_media

What does the vast_list_media tool do? +

List all VAST media (linear and non-linear). It is categorised as a Read tool in the AdButler MCP Server, which means it retrieves data without modifying state.

What parameters does vast_list_media accept? +

vast_list_media accepts 2 parameters: limit, offset. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on vast_list_media? +

Register the AdButler MCP server in PolicyLayer and add a rule for vast_list_media: 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 vast_list_media? +

vast_list_media is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit vast_list_media? +

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

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

vast_list_media 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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