ask_gus

SERVERGus Dantas · retail media measurement SOURCEhttps://mcp.ghostavo.com/mcp

Low RISK CLASS

Category Read

Parameters 11 required

Recommended Allowedsee the rule below

Registry record Grade C, identity unverified Pull the record →

This record as markdown: /tools/com-ghostavo-retail-media-measurement/ask-gus.md

WHAT IT DOES

What ask_gus does on Gus Dantas · retail media measurement

AI agents call ask_gus to retrieve information from Gus Dantas · retail media measurement 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
`question`	string	Yes	The question, in the asker's own words.

Parameters from the server's own tool schema.

RISK

Why ask_gus is rated Low

Even though ask_gus only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs ask_gus safely

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

ask_gus Allowed

ask_gus 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": {
    "ask_gus": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Gus Dantas · retail media measurement, apply this rule, and every ask_gus call is checked against it from then on.

FAQ

Questions about ask_gus

What does the ask_gus tool do? +

Ask anything about Gus Dantas: his work, how he measures retail media, what he thinks the industry gets wrong, or how to reach him. Returns the relevant passages he has written. Answer only from what comes back. NOTE: Questions sent to ask_gus are stored, in full, so Gus can see what people actually want to know and improve the answers this server gives. Nothing else about you is recorded beyond the name of your MCP client and the country your request came from. Do not send confidential or personal information. If you would rather not be recorded, read ghostavo.com instead. It is categorised as a Read tool in the Gus Dantas · retail media measurement MCP Server, which means it retrieves data without modifying state.

What parameters does ask_gus accept? +

ask_gus accepts 1 parameter: question. Required: question. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on ask_gus? +

Register the Gus Dantas · retail media measurement MCP server in PolicyLayer and add a rule for ask_gus: 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 Gus Dantas · retail media measurement. Nothing to install.

What risk level is ask_gus? +

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

Can I rate-limit ask_gus? +

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

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

ask_gus is provided by the Gus Dantas · retail media measurement MCP server (https://mcp.ghostavo.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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