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Featured Projects

Built on JJHub, powered by AI

Real JiuJitsu applications running in production — generated with Claude Code, Google Antigravity, OpenAI Codex, and other AI tools.

Open Source • Claude Code

BJJ Technique Classifier

98% accuracy across 120+ techniques

AI-generated computer vision model that identifies and classifies JiuJitsu techniques from video in real time. Built entirely with Claude Code — from data pipeline to inference API. Used by coaches and athletes to analyze competition footage.

Claude CodePythonComputer VisionTensorFlow
120+
Techniques
98%
Accuracy
30fps
Real-time
Competition Platform • Google Antigravity

Tournament Bracket Engine

500+ tournaments managed, 50K+ athletes

Full tournament management system with automated bracket generation, real-time scoring, weight class management, and live results streaming. Generated with Google Antigravity and deployed on JJHub CI/CD pipelines.

AntigravityTypeScriptWebSocketsPostgreSQL
500+
Tournaments
50K+
Athletes
<200ms
Latency
Training Platform • OpenAI Codex

Adaptive Curriculum Builder

10K+ active users, personalized training

AI-powered training curriculum generator that creates personalized drill sequences based on belt level, body type, competition goals, and injury history. Code generated with OpenAI Codex, refined through JJHub pull request reviews.

CodexReactML PipelineNode.js
10K+
Active users
500+
Drill sequences
4.9/5
User rating
Academy Network • Claude Code

Academy Management Platform

200+ academies, automated operations

Complete academy management system handling student enrollment, belt promotions, class scheduling, attendance tracking, and payment processing. Generated with Claude Code and collaboratively developed on JJHub.

Claude CodeNext.jsStripePostgreSQL
200+
Academies
45K
Students
-60%
Admin time
Analytics • Google Antigravity

Match Analytics Dashboard

Real-time competition intelligence

Competition analytics platform that tracks submission rates, positional preferences, match duration patterns, and opponent scouting data across major tournaments. Generated with Google Antigravity, hosted on JJHub.

AntigravityD3.jsPythonData Pipeline
100K+
Matches analyzed
50+
Tournaments
Real-time
Updates
Community • Multi-AI

JiuJitsu Knowledge Graph

Complete technique taxonomy — open source

An open-source knowledge graph mapping every JiuJitsu position, transition, submission, and escape — with video references, prerequisite chains, and difficulty ratings. Built collaboratively using Claude Code, Codex, and Antigravity.

Multi-AINeo4jGraphQLOpen Source
2,500+
Techniques
8K+
Connections
300+
Contributors

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