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Directory / CarGene
CarGene
by car-gene.com · https://api.car-gene.com/mcp
Japanese cars, sourced: genealogy, parts fitment, shaken and service shops, used cars, US import.
12 of 12 checks · 1 Nov 2026
Is CarGene MCP server safe?
- None of the hidden-instruction wordings we know were found in its tool descriptions.
- Its error messages showed no secrets or internal details.
- All 9 of its tools are labeled read-only.
- Overall it scored 95/100 on 1 Nov 2026.
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What it can do
9 tools, in the server's own words.
search_vehiclesread-onlyFind series by name, maker name, a generation's name, or a generation's chassis code.
get_vehicleread-onlyGet one series with the list of its generations (models) and the cited sources, and with a model_id also that generation in detail.
get_vehicle_specsread-onlyUse this for the specifications of one generation: horsepower, torque, engine type, transmission, drivetrain, weight, dimensions, fuel economy, tire sizes and …
get_vehicle_relationshipsread-onlyGet the relationships between generations (succession, sibling, derivation, spiritual successor).
get_sales_figuresread-onlyGet the sales figures of a series.
check_part_fitmentread-onlyUse this when the user asks whether an aftermarket part (wheel, coilover, muffler, brake pad, intake and so on) fits a specific car generation, or which parts …
search_shopsread-onlyUse this when someone looks for a place in Japan to have a car service done, such as a vehicle inspection (shaken), a self-service or hand car wash, a coating,…
search_used_carsread-onlyUse this when someone wants to buy a used car in Japan, or asks for a used car that fits a budget, a model year, mileage or a manual transmission.
get_us_import_eligibilityread-onlyUse this when the user asks when a Japanese car can be imported into the United States under the twenty-five-year rule, for example whether a Skyline GT-R of a…
Test results
Safe mode: only tools labeled read-only were run. How the test works
- !Bad inputs give a clean errornote
1 warning
- !search_used_cars: Accepted wrong type for "model_id" without complaining
- and 12 more
- ✓ConnectsConnected in 611 mspass
- ✓Ready for the newest MCP versionUses the latest MCP version (2026-07-28)pass
- ✓Lists its toolsFound 9 toolspass
- ✓Every tool is describedAll 9 tools and their inputs are describedpass
- ✓Tools are labeled safe or dangerousEvery tool has a safety labelpass
- ✓No known hidden instructionsNone of the hidden-instruction wordings we know were found in tool descriptions. New wordings can get past this check.pass
- ✓Tools work with good inputspass
All good
- ✓search_vehicles: Worked (1.0 s)
- ✓get_vehicle: Answered with an error, probably because of our sample input: one of series_id, model_id is required
- ✓get_vehicle_specs: Answered with an error, probably because of our sample input: model test not found
- ✓get_vehicle_relationships: Answered with an error, probably because of our sample input: one of series_id, model_id is required
- ✓get_sales_figures: Answered with an error, probably because of our sample input: one of series_id, model_id is required
- ✓check_part_fitment: Answered with an error, probably because of our sample input: model test not found
- ✓search_shops: Answered with an error, probably because of our sample input: unknown service_code 'test'; one of: vehicle_inspection, coating, self_car_wash, hand_car_wash, automatic_car_wash, wheel_alignment_4, camb…
- ✓search_used_cars: Worked (281 ms)
- and 1 more
- ✓Tools work togetherpass
5 chains working
- ✓search_used_cars → get_vehicle: get_vehicle found what search_used_cars returned (model_id = "36598666-fe5b-451b-8343-b88aa1100bd0")
- ✓search_used_cars → get_vehicle_specs: get_vehicle_specs found what search_used_cars returned (model_id = "36598666-fe5b-451b-8343-b88aa1100bd0")
- ✓search_used_cars → get_vehicle_relationships: get_vehicle_relationships found what search_used_cars returned (model_id = "36598666-fe5b-451b-8343-b88aa1100bd0")
- ✓search_used_cars → get_sales_figures: get_sales_figures found what search_used_cars returned (model_id = "36598666-fe5b-451b-8343-b88aa1100bd0")
- ✓search_used_cars → check_part_fitment: check_part_fitment found what search_used_cars returned (model_id = "7dc1b076-acb6-4899-80af-229b79c02206")
- ✓Fast enoughpass
All good
- ✓Connecting took 611 ms
- ✓Listing tools took 199 ms
- ✓Average tool answer: 432 ms
- ✓search_vehicles: Slowest tool: search_vehicles (1.0 s)
- ✓No secrets leakedChecked 31 error messages: no secrets or internal detailspass
- ✓Follows MCP best practices (not scored yet)Tool names, safety labels and tool list size follow the MCP guidepass
Test it yourself
Free and open source. Same checks, same score.
npx qamcp-cli https://api.car-gene.com/mcpShow this score on GitHub
Free for every server in the directory. Paste this into your README: the badge shows the score from our latest test.
[](https://qamcp.dev/s/com-car-gene-genealogy.html)Score over time
- 1 Nov 202695
One test so far. New tests will show here.
Reviews
Coming soon: reviews from people who use CarGene, signed in with GitHub, one per person. Reviews never change the score.
QAmcp Monitor (coming soon) tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. You'll also be able to claim this page and get a verified owner mark. Founding price: $19/month for life for the first 50 teams.
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