// MCP TOOL REFERENCE

MARKETPLACE TOOLS

19 tools from the Marketplace MCP Server, categorised by risk level.

View the Marketplace policy → Token cost: 3,004 tokens →

// ALL 19 MARKETPLACE TOOLS

READ 13 tools

Read cars_dealer_inventory Get all vehicles at a specific dealer. Read cars_dealers Search for car dealers by city, state, or ZIP code. Read cars_history Get the full history of a vehicle by VIN — every dealer it appeared at, price changes over time, days on ma... Read cars_search Search used car inventory across all dealers. Filter by make, model, year, price, mileage, location, body t... Read cars_session_compare Get a structured comparison of all vehicles tracked in a session — specs, pricing, market context side by s... Read cars_session_deal Get the current deal status — offers received, messages exchanged, unread count. Use to check if the dealer... Read cars_session_interest Signal buyer interest in a vehicle to the dealer. This sends a professional email to the dealership on the ... Read cars_session_message Post a message to the session. Use for buyer questions, AI analysis notes, or responses. The dealer and oth... Read cars_session_read Read the current state of a shopping session — tracked vehicles, messages, preferences, active offers, and ... Read cars_session_tradein_read Read the buyer's trade-in vehicle profile. Returns decoded vehicle info, condition, photos, and a summary s... Read cars_session_visit Schedule a dealer visit (test drive, purchase, trade-in appraisal). Generates a visit code and QR code the ... Read cars_stats Get database statistics: total vehicles, dealers, coverage by state, top makes. Read cars_vehicle Get full details for a specific vehicle by VIN. Returns specs, price, mileage, photos, recalls, and dealer ...

WRITE 4 tools

Write cars_session_add_car Add a vehicle to the buyer's shopping session. Include a fit score (1-10) and notes explaining why you reco... Write cars_session_create Create a personalized car research session for the buyer. Returns a unique URL they can bookmark and return... Write cars_session_notify Set the buyer's email notification preference for this session. Three levels: "bcc" (buyer gets a private c... Write cars_session_reply Send a follow-up message to the dealer continuing the conversation. Use this after the dealer has replied a...

EXECUTE 2 tools

Execute cars_feedback Submit feedback about the Cars Rootz service. We actively read every piece of feedback to improve the servi... Execute cars_session_tradein Set or update the buyer's trade-in vehicle information. Gather what you can from the conversation — VIN, li...

// FAQ

How many tools does the Marketplace MCP server have? +

The Marketplace MCP server exposes 19 tools across 3 categories: Read, Write, Execute.

How do I enforce policies on Marketplace tools? +

Route the Marketplace server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard — they are enforced on every call before it reaches the server.

What risk categories do Marketplace tools fall into? +

Marketplace tools are categorised as Read (13), Write (4), Execute (2). Each category has a recommended default policy.

Let agents act without letting them run wild.

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