AGENT SKILL

market-value

Get the current market value of a vehicle from its VIN using the CarsXE API. Use this when a user asks how much a car is worth, wants to know its value, or is thinking about buying/selling a vehicle.

License 许可
MIT
最近更新
2026-11-11
Stars
★ 1.6k
Forks
468

01 前言 Front Matter

name
market-value
author
CarsXE
license
MIT
version
1.0.0
description
Get the current market value of a vehicle from its VIN using the CarsXE API. Use this when a user asks how much a car is worth, wants to know its value, or is thinking about buying/selling a vehicle.

03 SKILL.md 正文

When the user asks about a vehicle's price, worth, or market value and has a VIN:

  1. Optionally refine the estimate with these parameters if the user mentions them:
    • state — US state code (e.g., CA, TX) for regional pricing
    • mileage — current mileage to adjust the value
    • condition — vehicle condition: excellent, clean, average, or rough
  2. Make an HTTP GET request to the CarsXE Market Value API:
    GET https://api.carsxe.com/v2/marketvalue?key={CARSXE_API_KEY}&vin={VIN}&source=codex_plugin
    
    Append &state=<STATE>, &mileage=<MILEAGE>, and/or &condition=<CONDITION> if provided.
  3. Present the estimated market value clearly, including:
    • Current value estimate
    • Low / average / high range if available
    • Historical trend if available
  4. Provide helpful context (e.g., whether the value is strong for its age/mileage).
  5. If the API key is missing, tell the user to set the CARSXE_API_KEY environment variable (see AGENTS.md).

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