promote_recommended_grocery · CoupleHub MCP Server MCP

WHAT IT DOES

What promote_recommended_grocery does on CoupleHub MCP Server

AI agents use promote_recommended_grocery to create or update resources in CoupleHub MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your CoupleHub MCP Server environment.

WHY IT NEEDS A POLICY

Why promote_recommended_grocery needs a policy

This tool performs a reversible write operation that updates the state of grocery list items. It does not delete data (would be Destructive), execute arbitrary code (Execute), move money (Financial), or merely read data (Read). The scope is limited to a couple's personal grocery management, with minimal blast radius if misused by an AI agent.

From the tool's definition 'Move recommended items to active grocery list' indicates the tool modifies the grocery list by promoting items from a recommended state to an active state. This is a reversible data modification operation (items can be removed or moved back).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

promote_recommended_grocery Rate-limited

promote_recommended_grocery stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "promote_recommended_grocery": {
      "limits": [
        {
          "counter": "promote_recommended_grocery_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches CoupleHub MCP Server, so you can run agents against it safely.

FAQ

Questions about promote_recommended_grocery

What does the promote_recommended_grocery tool do? +

Move recommended items to active grocery list. It is categorised as a Write tool in the CoupleHub MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on promote_recommended_grocery? +

Register the CoupleHub MCP Server MCP server in PolicyLayer and add a rule for promote_recommended_grocery: 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 CoupleHub MCP Server. Nothing to install.

What risk level is promote_recommended_grocery? +

promote_recommended_grocery is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit promote_recommended_grocery? +

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

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

promote_recommended_grocery is provided by the CoupleHub MCP Server MCP server (uczesieweba/couplehub-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.