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AI-native used car marketplace with 170,000+ vehicles across 4,300+ dealers.
Do not connect
A critical issue was found. Do not connect this server as-is.
Scanned 1 month ago Due for re-check
A server can change after it's graded. Re-run the automated scan to refresh this report.
This grade is deterministic and reproducible: the same server surface always yields the same grade under a given algorithm version. It is a real automated assessment computed by the MCPGrade engine from what the probe actually observed — not a fabricated or opinion score. It is not a manual human pentest, so it can miss context-specific risks.
Every signal below was measured directly by the automated probe. The grade is derived only from evidence like this — nothing is assumed.
The cars-rootz MCP server exposes 19 tools, focused primarily on communication capabilities. Its published description reads: "AI-native used car marketplace with 170,000+ vehicles across 4,300+ dealers". It communicates over Streamable HTTP using the 2026-07-28 protocol revision, and does not require authorization to connect. MCPGrade currently rates cars-rootz F — a critical issue was found and the server should not be connected as-is. Its most notable findings include "Data-exfiltration parameters" and "Data-exfiltration parameters". This report is a deterministic, reproducible automated assessment: the same observed surface always yields the same grade under a given algorithm version, and it is refreshed as new scans arrive and free to read — but it is not a substitute for a manual human security review. Always re-check cars-rootz's advertised tools, transport security, and authorization posture before connecting an autonomous agent or sharing sensitive context with it.
Add cars-rootz to an MCP client using the endpoint below. Review the grade and findings above before granting an autonomous agent access.
MCP endpoint
https://cars.rootz.global/mcpStreamable HTTP transport. This is the MCP endpoint, not a website — paste it into your MCP client server list rather than a browser.
Captured passively during the read-only scan. Click any value to find servers that match it.
The tools this server advertises via tools/list — names, purposes, and the parameters each accepts, exactly as enumerated read-only.
Search used car inventory across all dealers. Filter by make, model, year, price, mileage, location, body type, fuel type, drivetrain. Returns matching vehicles with dealer info.
Get full details for a specific vehicle by VIN. Returns specs, price, mileage, photos, recalls, and dealer info.
Sorted worst-first. Each finding shows its severity, what it means, its OWASP MCP Top-10 mapping, and a recommended fix — the check id links to the exact methodology row that produced it.
tool: cars_session_create
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
parameter "notes"RecommendationRemove side-channel parameters; constrain tool inputs.
tool: cars_session_add_car
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
parameter "notes"RecommendationRemove side-channel parameters; constrain tool inputs.
tool: cars_session_reply
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
continuing the conversation. Use this after the dealer has replied and theRecommendationRemove side-channel parameters; constrain tool inputs.
tool: cars_session_tradein
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
parameter "notes"RecommendationRemove side-channel parameters; constrain tool inputs.
tool: cars_session_visit
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
parameter "notes"RecommendationRemove side-channel parameters; constrain tool inputs.
The server accepts tool enumeration (and likely invocation) with no authentication.
RecommendationRequire OAuth 2.1 authorization for any server exposing non-public tools.
tool: cars_session_create
The server advertises open-world / broadly-scoped capabilities.
no annotations on write-capable tool "cars_session_create"RecommendationScope tools to the minimum needed.
tool: cars_session_interest
The server advertises open-world / broadly-scoped capabilities.
no annotations on write-capable tool "cars_session_interest"RecommendationScope tools to the minimum needed.
tool: cars_session_message
The server advertises open-world / broadly-scoped capabilities.
no annotations on write-capable tool "cars_session_message"RecommendationScope tools to the minimum needed.
tool: cars_session_reply
The server advertises open-world / broadly-scoped capabilities.
no annotations on write-capable tool "cars_session_reply"RecommendationScope tools to the minimum needed.
tool: cars_session_notify
The server advertises open-world / broadly-scoped capabilities.
no annotations on write-capable tool "cars_session_notify"RecommendationScope tools to the minimum needed.
tool: cars_session_tradein
The server advertises open-world / broadly-scoped capabilities.
no annotations on write-capable tool "cars_session_tradein"RecommendationScope tools to the minimum needed.
Vantaj uptime monitoring via MCP — manage monitors, heartbeats, incidents, and status pages.
Unified gateway to Algeria's TKAWEN ecosystem: commerce, certification, and AI tools.
Provides access to the Cohereon Doctrine AI safety framework with governance components, tiered access, and agent onboarding.
Agentic rails for complex workflows with receipts, fees, and MCP tool access.
Structural TC39 spec lookup for ECMA-262 and ECMA-402 in AI agents, SHA-pinned and offline-first.
Structural TC39 spec lookup for ECMA-262 and ECMA-402 in AI agents, SHA-pinned and offline-first.
Search for car dealers by city, state, or ZIP code.
Get all vehicles at a specific dealer.
Get the full history of a vehicle by VIN — every dealer it appeared at, price changes over time, days on market, whether it was sold and resurfaced elsewhere. Data with origin.
Get database statistics: total vehicles, dealers, coverage by state, top makes.
Create a personalized car research session for the buyer. Returns a unique URL they can bookmark and return to. As you help the buyer, naturally learn their situation and save it here — payment method
Read the current state of a shopping session — tracked vehicles, messages, preferences, active offers, and which other AI agents are working on it. Use this to understand context before taking action.
Add a vehicle to the buyer's shopping session. Include a fit score (1-10) and notes explaining why you recommend it.
Signal buyer interest in a vehicle to the dealer. This sends a professional email to the dealership on the buyer's behalf. Only use when the buyer has explicitly indicated interest.
Post a message to the session. Use for buyer questions, AI analysis notes, or responses. The dealer and other AI agents can see these.
Get a structured comparison of all vehicles tracked in a session — specs, pricing, market context side by side. Great for helping the buyer decide.
Get the current deal status — offers received, messages exchanged, unread count. Use to check if the dealer has responded.
Send a follow-up message to the dealer continuing the conversation. Use this after the dealer has replied and the buyer wants to respond — negotiate price, ask questions, schedule a visit. The email t
Set the buyer's email notification preference for this session. Three levels: "bcc" (buyer gets a private copy of dealer replies — dealer never sees buyer email), "cc" (buyer is CC'd — dealer can see
Set or update the buyer's trade-in vehicle information. Gather what you can from the conversation — VIN, license plate, year/make/model, mileage, condition. You don't need everything at once; start wi
Read the buyer's trade-in vehicle profile. Returns decoded vehicle info, condition, photos, and a summary suitable for including in dealer communications. Also returns a photo_upload_url the buyer can
Submit feedback about the Cars Rootz service. We actively read every piece of feedback to improve the service. Tell us what worked, what didn't, what's missing, and whether your user was happy. This h
Schedule a dealer visit (test drive, purchase, trade-in appraisal). Generates a visit code and QR code the buyer shows at the dealership. This is how the dealer knows "this is the person whose AI has