Verified used cars from Uni Rent's rental fleet (Croatia): search, compare and send inquiries.
hr.vip-cars/vipcars is a remote MCP server published at vip-cars.hr. It has been probed 8 times since 9/12/2026. It answered in 8 of them (100.0%), a near-uninterrupted record. Median response time is 2,321 ms, a delay an agent will notice. It offers a narrow, focused set of 5 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
search_vehicles — Parameters lack explicit types and some descriptions are incomplete.send_inquiry — Description cuts off mid-sentence and 'customer_email' has undefined type.get_inquiry_status — Uses 'session_token' instead of 'status_token' from response, causing potential confusion.tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
search_vehiclesSearch the VIP Cars used-car inventory (verified ex-fleet cars, prices in EUR). Values for the enum-like filters come from the live inventory (e.g. fuel_type 'dizel'/'benzin', body_type 'limuzina'/'suv'/'karavan', transmission 'manualni'/ 'automatski', color 'crna'/'siva' — Croatian, as stored). power_min/power_max are engine power in kW. sort: newest | price_asc | price_desc | year_desc | mileage_asc. Returns {items, total, page, per_page}; each item has listing_url for the human-readable page.
qmakemodelfuel_typebody_typetransmission_typecoloryear_minyear_maxmileage_minmileage_maxpower_minpower_maxprice_minprice_maxsortstringpageintegerper_pageintegerget_vehicleFull public details of one vehicle: specs, equipment, condition, description, photo URLs and the listing_url. Raises an error if the vehicle is not available.
vehicle_idintegerrequiredcompare_vehiclesCompare 2-5 vehicles side by side on key specs (year, mileage, fuel, transmission, power, price...). Unknown/unavailable ids are listed in 'not_found'.
vehicle_idsarrayrequiredsend_inquirySend a purchase inquiry (lead) to the VIP Cars sales team on the customer's behalf. The team calls/e-mails the customer back to arrange a viewing or test drive — there is no online payment. ALWAYS ask the customer for consent before sharing their contact details. vehicle_id is optional (omit for a general inquiry). The response includes a status_token — keep it; it is the ONLY key to later check the inquiry's processing status via get_inquiry_status. Anti-abuse: at most a few inquiries per contact per day; excess raises an error.
customer_namestringrequiredcustomer_phonestringrequiredcustomer_emailmessagevehicle_idget_inquiry_statusCheck the processing status of an inquiry previously sent with send_inquiry, using the status_token from its response. The token is issued ONLY to the inquiry's creator — possession proves ownership; there is nothing to guess or enumerate. Returns ONLY the processing status, never any customer data. Status values: novo (received, not yet read), procitano (read by the sales team), odgovoreno (the team has contacted the customer), zatvoreno (closed).
session_tokenstringrequiredDerived by comparing consecutive probes — changes in era, protocol version, build and reachability.
Add this badge to your README — it updates automatically as measurements change.
[](https://mcpmetrics.io/servers/hr-vip-cars-vipcars)<a href="https://mcpmetrics.io/servers/hr-vip-cars-vipcars"><img src="https://mcpmetrics.io/badge/hr.vip-cars/vipcars/era.svg" alt="mcpmetrics"></a>You are seeing the last 7 days. Sign up for the full history. Which check failed and why is in the dashboard.
Sign up free to seeThe catalog entries whose name and description are closest to this one, found with the same index the search box uses.
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| Run | Era | Modern | ms | Legacy | ms | Versions |
|---|---|---|---|---|---|---|
| 2026-09-13 06:40:42 | Legacy | 400 | 2330 | 200 | 2321 | 2025-11-25 |
| 2026-09-13 04:35:29 | Legacy | 400 | 3883 | 200 | 3884 | 2025-11-25 |
| 2026-09-13 01:33:33 | Legacy | 400 | 1606 | 200 | 1601 | 2025-11-25 |
| 2026-09-12 23:31:36 | Legacy | 400 | 1910 | 200 | 1912 | 2025-11-25 |
| 2026-09-12 21:29:15 | Legacy | 400 | 3035 | 200 | 3040 | 2025-11-25 |
| 2026-09-12 19:27:29 | Legacy | 400 | 3004 | 200 | 2996 | 2025-11-25 |
| 2026-09-12 17:24:09 | Legacy | 400 | 2124 | 200 | 2120 | 2025-11-25 |
| 2026-09-12 15:21:42 | Legacy | 400 | 1759 | 200 | 1758 | 2025-11-25 |
Each block is one measurement round. Green: working response. Amber: responded but the server was returning errors (5xx). Red: no response at all.
Each cell is one probe run. Faded cells are incomplete probes — one leg did not answer, so the era is inconclusive.
The two probe legs separately: modern server/discover and legacy initialize.
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