Set household members, dietary restrictions, preferred stores, country, servings. USE WHEN: first-time setup or changing household config. Required before shopping lists can filter by preferred stores. TIP: use list_stores to find dealer IDs. Set country to change market: ${SUPPORTED_COUNTRIES.join(
AI agents use update_household to create or update resources in TilbudsTrolden — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your TilbudsTrolden environment.
This tool creates or modifies household configuration data reversibly. Users can change their settings at any time, and there are no side effects beyond storing preferences. It does not retrieve data (Read), execute arbitrary operations (Execute), delete data (Destructive), or handle money (Financial).
From the tool's definition Tool description states 'Set household members, dietary restrictions, preferred stores, country, servings' - these are configuration parameters being created or modified.
Documented attack patterns abuse exactly the kind of access update_household gives an agent:
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 update_household:
{
"version": "1",
"default": "deny",
"tools": {
"update_household": {
"limits": [
{
"counter": "update_household_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}update_household 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.
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Set household members, dietary restrictions, preferred stores, country, servings. USE WHEN: first-time setup or changing household config. Required before shopping lists can filter by preferred stores. TIP: use list_stores to find dealer IDs. Set country to change market: ${SUPPORTED_COUNTRIES.join(. It is categorised as a Write tool in the TilbudsTrolden MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the TilbudsTrolden MCP server in PolicyLayer and add a rule for update_household: 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.
update_household is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the update_household 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.
Set action: deny in the PolicyLayer policy for update_household. 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.
update_household 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.
Start from TilbudsTrolden, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
18 TilbudsTrolden tools catalogued and risk-classified — across an index of 43,000+ MCP servers.