deals_this_week

THE RISK

Low Risk

Why deals_this_week needs a policy

This tool retrieves and displays current grocery deals without modifying, executing, or deleting any data. It is a read-only query operation with minimal blast radius if misused by an AI agent—at worst, it might display irrelevant deal information to the user.

From the tool's definition Tool name 'deals_this_week' and description 'Show the best current deals from your preferred stores' indicate a query/retrieval operation. The phrase 'browsing what' in the description confirms this is a passive information lookup with no side effects.

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

POLICY

How to control deals_this_week

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

policy.json

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

deals_this_week 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 TilbudsTrolden — 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

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Destructive remove_recipe Remove a recipe by name. USE WHEN: cleaning up the recipe library. Case-insensitive name m Write log_meal Record a cooked meal for rotation tracking. USE WHEN: logging what was cooked to avoid rep Write log_spend Record grocery spending for budget tracking. USE WHEN: logging what was spent after a shop Write add_recipe Add or update a recipe for meal planning and deal scoring. USE WHEN: saving a new recipe o Write generate_shopping_list Deal-optimized shopping list from specific recipes, grouped by store. USE WHEN: preparing Write plan_and_shop Score recipes, optimize a weekly meal plan, and generate a shopping list in one step. USE Write update_household Set household members, dietary restrictions, preferred stores, country, servings. USE WHEN Write update_pantry Add or remove pantry items (excluded from shopping lists). USE WHEN: updating stock after

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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 deals_this_week

What does the deals_this_week tool do? +

Show the best current deals from your preferred stores. USE WHEN: browsing what. It is categorised as a Read tool in the TilbudsTrolden MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on deals_this_week? +

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

What risk level is deals_this_week? +

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

Can I rate-limit deals_this_week? +

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

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

deals_this_week is provided by the TilbudsTrolden MCP server (olgasafonova/tilbudstrolden-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every TilbudsTrolden tool call.

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

CHECK YOUR STACK →