This record as markdown: /tools/adbutler/vast-get-channel.md
What vast_get_channel does on AdButler
AI agents call vast_get_channel 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 channel ID |
Parameters from the server's own tool schema.
Why vast_get_channel is rated Low
This tool retrieves information about a VAST channel without creating, modifying, or deleting any data. It is a straightforward read operation with minimal risk if misused by an AI agent, as it only exposes existing channel metadata.
From the tool's definition Tool name 'vast_get_channel' with verb 'get' and description 'Get details of a specific VAST channel' indicates data retrieval with no modification or side effects.
Attacks that exploit this kind of access
The rule that runs vast_get_channel 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_channel, this is the rule to start with:
vast_get_channel 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_channel call is checked against it from then on.
Questions about vast_get_channel
Get details of a specific VAST channel. It is categorised as a Read tool in the AdButler MCP Server, which means it retrieves data without modifying state.
vast_get_channel 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_channel: 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_channel 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_channel 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_channel. 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_channel 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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