Promptscore – AI Prompt Evaluator Extension - Sell Project
Project Overview
Promptscore is a fully functional, published Chrome extension (Manifest V3) that scores, evaluates, and rewrites prompts directly inside ChatGPT and Gemini UIs.**Key Features:*** Seamless Floating Action Button (FAB) UI injected natively on ChatGPT and Gemini.* Real-time prompt evaluation, scoring, and actionable rewrites.* $0 Running Costs: Operates 100% client-side locally with zero server overhead or API maintenance required.* Published on the Chrome Web Store and ready to scale.**Why I'm Sel...
Detailed Description
Visual Content & Media
Project Screenshots & Interface
The following screenshots showcase the visual design and user interface of Promptscore – AI Prompt Evaluator Extension:
Screenshot 1: Main Dashboard & Primary Interface
This screenshot displays the main dashboard and primary user interface of the application, showing the overall layout, navigation elements, and core functionality. The interface demonstrates the contemporary design approach and user-centered interface design.
Screenshot 2: Key Features & Functionality
This screenshot displays key features and functionality of the application, demonstrating specific capabilities and user interactions. The interface demonstrates the contemporary design approach and user-centered interface design.
Screenshot 3: User Experience & Navigation
This screenshot displays user experience elements and navigation patterns, showing how users interact with the interface. The interface demonstrates the contemporary design approach and user-centered interface design.
Screenshot 4: Advanced Features & Capabilities
This screenshot displays additional features and advanced capabilities, showcasing the full scope of the application. The interface demonstrates the contemporary design approach and user-centered interface design.
Screenshot 5: Advanced Features & Capabilities
This screenshot displays additional features and advanced capabilities, showcasing the full scope of the application. The interface demonstrates the contemporary design approach and user-centered interface design.
Screenshot 6: Advanced Features & Capabilities
This screenshot displays additional features and advanced capabilities, showcasing the full scope of the application. The interface demonstrates the contemporary design approach and user-centered interface design.
Project Demonstration Videos
The following videos provide visual demonstrations of Promptscore – AI Prompt Evaluator Extension in action:
Demo Video 1: Main Functionality Walkthrough
This video demonstrates the main functionality and core features of the application, providing a comprehensive overview of how the system works. The video showcases the browser application's user interface design, providing viewers with a clear understanding of the project's capabilities and value proposition.
Video URL: https://drive.google.com/file/d/1_oKASKIgAFHGUEjPneiRVS6sy1TDKUq3/view?usp=drivesdk
Live Demo & Interactive Experience
Live Demo URL: https://chromewebstore.google.com/detail/promptscore/jnmljihbacgkhmplplidmdpjldpjalfa
Experience Promptscore – AI Prompt Evaluator Extension firsthand through the live demo. This interactive demonstration allows you to explore the application's features, test its functionality, and understand its user experience. The live demo showcases the browser application's real-world performance, providing a comprehensive understanding of the project's value and potential.
Visual Content Summary
This project includes 6 screenshots and 1 demonstration video plus a live demo, providing comprehensive visual documentation of the browser application. The media content demonstrates the project's user interface design, showcasing both the visual appeal and functional capabilities of the solution.
Technical Specifications & Architecture
Technology Stack & Implementation
Common Questions & Use Cases
Use Cases & Practical Applications
Target Audience & Use Cases
Business Use Cases: This project is ideal for businesses looking to implement a ready-made solution. Perfect for entrepreneurs, startups, or established companies seeking browser solutions.
Project Details
Project Type: Browser
Listing Type: Sell
What's Included
Source code, All related design work, Email account
Full Chrome Web Store developer listing transfer, complete promotional graphics package (banners, screenshots, logos), and 14 days of post sale handoff assistance.
Reason for Selling
I feel that the project requires skills that I do not necessarily have and would like to see someone else take over.
Technical Architecture
Business Context & Market Position
Development Context & Timeline
Project Development Timeline
This project was created on July 29, 2026 and last updated on September 13, 2026. The project has been in development for approximately 1.6 months, representing 46.904008302639 days of development time.
Development Commitment: The project requires Under 5 hours/week of development time, indicating a side project level commitment.
Technical Implementation Effort
Next Development Phase: <p>• Implement Freemium Tiers: Add Stripe or LemonSqueezy to charge for unlimited rewrites or advanced features.</p><p>• Custom API Integration: Allow users to bring their own OpenAI or Claude API keys for higher quality rewrites.</p><p>• Email Capture & Auth: Add a simple login backend to build a subscriber list of active AI users.</p><p>• Affiliate Marketing: Monetize power users via affiliate recommendations for AI prompt engineering tools and courses.</p>
Competitive Analysis & Market Position
Market Differentiation
Competitive Advantages
Pricing Information
Offer Price: $1,500 USD
Project Metrics
Average Monthly Revenue: Pre-revenue
Average Monthly Downloads: Under 1K/mo
About the Creator
Developer: User ID 249565
Project Links
Live Demo: https://chromewebstore.google.com/detail/promptscore/jnmljihbacgkhmplplidmdpjldpjalfa
Key Features
- Listed for sale
Frequently Asked Questions
What is this project about?
Promptscore – AI Prompt Evaluator Extension is a browser project that Promptscore is a fully functional, published Chrome extension (Manifest V3) that scores, evaluates, and rewrites prompts directly inside ChatGPT and Gemini UIs.**Key Features:*** Seamless Floating Act....
How much does this project cost?
This project is listed for sale at $negotiable USD. There's also an offer price of $1,500 USD.
What's included when I buy this project?
Source code, All related design work, Email account.
Why is the owner selling this project?
I feel that the project requires skills that I do not necessarily have and would like to see someone else take over.
What are the project's current metrics?
Monthly revenue: Pre-revenue.
Can I see a live demo of this project?
Yes! You can view the live demo at https://chromewebstore.google.com/detail/promptscore/jnmljihbacgkhmplplidmdpjldpjalfa. This will give you a better understanding of the project's functionality and user experience.
How do I contact the project owner?
You can contact the project owner through SideProjectors' messaging system. Click the "Contact" button on the project page to start a conversation about this project.
Is this project still actively maintained?
Since this project is for sale, the current owner may be looking to transfer maintenance responsibilities to the buyer.