Address autocomplete using each country's authoritative register: DAWA (DK), Kartverket (NO), BAN (FR official), MML (FI), and Nominatim (others). Returns ranked address suggestions with coordinates. Supports 15 countries (DK, NO, SE, FI, IE, UK, FR, DE, CZ, PL, LV, EE, NL, BE, LU). Tier note: NL...
Risk signalsAccepts freeform code/query input (query)
Part of the Nordic Data server.
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AI agents call autocomplete_address to retrieve information from Nordic Data without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though autocomplete_address only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"autocomplete_address": {}
}
}See the full Nordic Data policy for all 11 tools.
These attack patterns abuse exactly the kind of access autocomplete_address gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Address autocomplete using each country's authoritative register: DAWA (DK), Kartverket (NO), BAN (FR official), MML (FI), and Nominatim (others). Returns ranked address suggestions with coordinates. Supports 15 countries (DK, NO, SE, FI, IE, UK, FR, DE, CZ, PL, LV, EE, NL, BE, LU). Tier note: NL and DE require a Starter+ subscription — free-tier API keys receive HTTP 402 'upgrade_required'; do NOT retry on 402.. It is categorised as a Read tool in the Nordic Data MCP Server, which means it retrieves data without modifying state.
Register the Nordic Data MCP server in PolicyLayer and add a rule for autocomplete_address: 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 Nordic Data. Nothing to install.
autocomplete_address is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the autocomplete_address 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 autocomplete_address. 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.
autocomplete_address is provided by the Nordic Data MCP server (nordic-data-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 11 Nordic Data tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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