used-car-advisor

Evaluate used-car listings, estimate fair value, and flag model risks.

Updated Feb 24, 2026
One-click install
npx skills add https://github.com/binan-maker/QRS --skill used-car-advisor-binan-maker
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: used-car-advisor
Source: https://github.com/binan-maker/QRS/tree/main/.local/secondary_skills/used-car-advisor
Command: npx skills add https://github.com/binan-maker/QRS --skill used-car-advisor-binan-maker

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Evaluate used car listings, estimate fair value, flag known-model risks, and guide buying decisions.

Core Features & Use Cases

  • Listing search workflow across multiple platforms
  • Apply the Fair Price Method to estimate value and flag red flags
  • Prepare negotiation plans and pre-purchase inspection guidance

Quick Start

Provide a set of real used-car listings for a target model and region, evaluate fair value using the described method, and output a negotiation plan.

Frequently Asked Questions about used-car-advisor

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I estimate a fair price for a used car listing?▼

To estimate a fair price for a used car, the Skill applies a Fair Price Method to aggregate listings with price, mileage, and location data, calculating estimated value and flagging potential risks for target models.

How do I prepare a negotiation plan for a used car purchase?▼

Preparing a negotiation plan for a used car purchase involves generating a structured strategy based on the estimated fair value and known-model risks, guiding your buying decisions and counter-offer points during the transaction.

What used car red flags should I look for before a pre-purchase inspection?▼

Known-model risks and red flags to look for before a pre-purchase inspection include model-specific vulnerabilities identified by the Skill, which evaluates listings across common vehicle segments to guide buying decisions.

Can I evaluate used car listings across multiple platforms for the same model?▼

Yes, you can evaluate used car listings across multiple platforms by providing a set of real listings for a target model and region, which the Skill aggregates to apply valuation and risk flagging workflows.

Does used car valuation work for all vehicle segments?▼

Used car valuation applies across common vehicle segments, aggregating listings with price, mileage, and location to estimate fair value and flag known-model risks for standard vehicle types.

What information do I need to provide for a used car valuation?▼

For a used car valuation, you need to provide real used-car listings for a target model and region, including details like price, mileage, and location, to evaluate fair value and generate a negotiation plan.