lijst_supermarkten

THE RISK

Low Risk

Why lijst_supermarkten needs a policy

This tool simply retrieves and displays a list of supermarkets and drugstores. It has no side effects, does not modify any data, and only queries/lists available stores. Misuse potential is minimal as it only exposes a static or cached directory of store names.

From the tool's definition "Toon alle supermarkten en drogisterijen" — 'Toon' means 'Show/Display', indicating a read-only listing operation

Documented attack patterns abuse exactly the kind of access lijst_supermarkten gives an agent:

POLICY

How to control lijst_supermarkten

PolicyLayer is an MCP gateway — it sits between your AI agents and NL Supermarkt MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for lijst_supermarkten:

policy.json

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

lijst_supermarkten is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register NL Supermarkt MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More NL Supermarkt MCP Server tools

Execute plan_winkelroute Optimaliseer route langs meerdere winkels voor je boodschappenlijst. Write bewaar_boodschappenlijst Bewaar een boodschappenlijst om later te hergebruiken. Write optimaliseer_boodschappenlijst Optimaliseer boodschappenlijst voor supermarkten en drogisten. Write plan_boodschappen Plan boodschappen met weekmenu en gedetailleerde boodschappenlijst. Write prijs_alert Stel een prijsalert in. Krijg melding wanneer product onder bepaalde prijs komt of in aanb Write set_budget Stel een weekbudget in voor boodschappen. Read budget_check Check of boodschappenlijst binnen budget past. Suggereert goedkopere alternatieven. Read check_alerts Check alle actieve prijsalerts en toon welke producten nu een goede deal zijn.

All 20 NL Supermarkt MCP Server tools →

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about lijst_supermarkten

What does the lijst_supermarkten tool do? +

Toon alle supermarkten en drogisterijen (Kruidvat, Etos, Trekpleister, etc). It is categorised as a Read tool in the NL Supermarkt MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on lijst_supermarkten? +

Register the NL Supermarkt MCP Server MCP server in PolicyLayer and add a rule for lijst_supermarkten: 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 NL Supermarkt MCP Server. Nothing to install.

What risk level is lijst_supermarkten? +

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

Can I rate-limit lijst_supermarkten? +

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

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

lijst_supermarkten is provided by the NL Supermarkt MCP Server MCP server (samvox1/nl-supermarkt-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every NL Supermarkt MCP Server tool call.

Start from NL Supermarkt MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →