Individual 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.

plugins/carsxe/carsxe-codex-plugin/skills/market-value/SKILL.md

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Last checked: Nov 4, 2026

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Repository stars (not skill ratings): 1,533
Repository last updated: Nov 6, 2026
License: Apache-2.0

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ai-coding Repository topic
awesome Repository topic
awesome-list Repository topic
codex Repository topic
codex-plugins Repository topic
openai Repository topic
codex-skill Repository topic
codex-skills Repository topic
marketplace Repository topic
codex-marketplace Repository topic
engineering Derived category

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SKILL.mdcore · 1,285 bytes

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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