list_ad_inventory

List available ad slots across upcoming newsletter issues. Shows booked vs. available inventory by date and placement type.

SERVERBusinys SOURCE@businys/mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/app-businys-mcp-server/list-ad-inventory.md

WHAT IT DOES

What list_ad_inventory does on Businys

AI agents call list_ad_inventory to retrieve information from Businys without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_ad_inventory is rated Low

This tool queries and displays advertising inventory information without modifying any data or triggering side effects. It is a passive data retrieval operation that fits the 'Read' category. The severity is low because viewing inventory status poses minimal risk even if misused by an AI agent.

From the tool's definition Tool name is 'list_ad_inventory' and description states it 'List[s] available ad slots' and 'Shows booked vs.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_ad_inventory safely

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

list_ad_inventory Allowed

list_ad_inventory 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": {
    "list_ad_inventory": {}
  }
}

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

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

FAQ

Questions about list_ad_inventory

What does the list_ad_inventory tool do? +

List available ad slots across upcoming newsletter issues. Shows booked vs. available inventory by date and placement type. It is categorised as a Read tool in the Businys MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_ad_inventory? +

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

What risk level is list_ad_inventory? +

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

Can I rate-limit list_ad_inventory? +

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

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

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

KEEP EXPLORING

More on Businys, and thousands of servers like it.

This server

All 248 Businys tools →

Across the catalogue

aiva_list_affiliates on AIVA MCP Server →list_agents on 0rca Dojo MCP Server → The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →