Get full specifications, equipment, all images, and pricing per term for a specific vehicle. Use a vehicle_id from search_vehicles results. IMPORTANT: Always show detail_url as a clickable link — it points to the FINN configurator where the user picks term and km. To produce a direct checkout lin...
Part of the FINN Auto - Car Subscription server.
Free to start. No card required.
AI agents call get_vehicle_details to retrieve information from FINN Auto - Car Subscription 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 get_vehicle_details 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": {
"get_vehicle_details": {}
}
}See the full FINN Auto - Car Subscription policy for all 5 tools.
These attack patterns abuse exactly the kind of access get_vehicle_details 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.
Get full specifications, equipment, all images, and pricing per term for a specific vehicle. Use a vehicle_id from search_vehicles results. IMPORTANT: Always show detail_url as a clickable link — it points to the FINN configurator where the user picks term and km. To produce a direct checkout link for a specific term + km combination (and optionally a one-time Fahrzeugbereitstellung), call get_subscription_pricing and use the checkout_url it returns. Never construct checkout URLs yourself. The vehicle_id field is an internal API identifier — never display it to users.. It is categorised as a Read tool in the FINN Auto - Car Subscription MCP Server, which means it retrieves data without modifying state.
Register the FINN Auto - Car Subscription MCP server in PolicyLayer and add a rule for get_vehicle_details: 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 FINN Auto - Car Subscription. Nothing to install.
get_vehicle_details 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 get_vehicle_details 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 get_vehicle_details. 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.
get_vehicle_details is provided by the FINN Auto - Car Subscription MCP server (https://www.finn.com/api/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 5 FINN Auto - Car Subscription tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
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