777-1 Case Studies
Context Engineering in Action
Each case study documents the complete transformation of an application through all seven Context Engineers. Watch as a simple prompt evolves into a sophisticated, production-ready application through systematic, ordered context engineering.
Total Projects
Subagent Reviews
Weeks Duration
Documented
The 7 Projects
Each project was selected to test different aspects of context engineering across diverse application types and complexity levels.
Kinetic Canvas
Educational Simulation
Interactive physics engine where users build machines and watch them move
An educational simulation platform where users can create, manipulate, and observe physics-based machines in real-time. Features drag-and-drop components, real-time physics calculations, and interactive learning modules.
Key Features
Subagent Involvement Preview
GoalStack
Productivity Tracker
Goal tracking with hierarchical steps and progress visualization
A productivity application that helps users break down large goals into manageable sub-goals with visual progress tracking, milestone celebrations, and analytics.
Key Features
Subagent Involvement Preview
MotorMatch
Marketplace Platform
Vehicle marketplace connecting buyers and sellers
A comprehensive automotive marketplace featuring advanced search filters, vehicle comparisons, seller profiles, and integrated communication tools.
Key Features
Subagent Involvement Preview
EarthenCraft
E-commerce
Artisan pottery e-commerce with cart and checkout
An e-commerce platform showcasing handcrafted pottery with beautiful product galleries, shopping cart functionality, and a seamless checkout experience.
Key Features
Subagent Involvement Preview
FlexBook
Booking System
Personal trainer booking platform with calendar scheduling
A booking system for fitness professionals featuring calendar integration, session management, client profiles, and automated reminders.
Key Features
Subagent Involvement Preview
WealthView
Dashboard Analytics
Financial dashboard with interactive charts and portfolio tracking
A comprehensive financial dashboard featuring interactive data visualizations, portfolio tracking, budget management, and financial goal setting.
Key Features
Subagent Involvement Preview
TriDuel
Gaming
Three-way Rock Paper Scissors with AI opponents and leaderboards
A gaming application featuring a unique three-player variation of Rock Paper Scissors with AI opponents, multiplayer mode, achievements, and competitive leaderboards.
Key Features
Subagent Involvement Preview
What Each Case Study Will Include
Before & After
Side-by-side comparison of the initial prompt output vs. the final production-ready application.
Git Diff Highlights
Detailed code changes showing exactly what each subagent improved.
Subagent Insights
Commentary from each Context Engineer on what they found and fixed.
Lessons Learned
Key takeaways and patterns that apply to future projects.
Stay tuned as we document each transformation in detail.