About GrappleMind & Its Founder
Wilko Wielinga
Founder (Hobby Project), GrappleMind (Part-time)
April 2025 - Present
Hong Kong SAR · Remote
Wilko created GrappleMind, an AI-powered coaching platform designed to help Brazilian Jiu-Jitsu (BJJ) practitioners track their progress through intelligent journaling and personalized recommendations. This hobby project stems from a passion for BJJ and a keen interest in exploring modern AI technologies, particularly through rapid prototyping techniques like "vibe coding."
Key Activities
- Conceptualizing and directing the platform from idea to a working prototype.
- Exploring and utilizing AI-assisted development workflows ("vibe coding") with a focus on minimizing manual intervention.
- Implementing AI coaching capabilities using retrieval-augmented generation (RAG).
- Leveraging cloud-based services to ensure scalable AI operations.
Technologies Explored
The development of GrappleMind involves a range of technologies including: LangChain, Runpod, Supabase (PostgreSQL + vector database), React, Tailwind CSS, Digital Ocean (site + files), Cloudflare, and SendGrid. Application design and development have been significantly influenced and assisted by AI tools like Claude and Windsurf.