SeWalk AI is a free, multi-persona AI assistant that gives you 5 specialized AI experts in one app — each with its own personality, expertise, and memory. Built from scratch in 2 days by a 16-year-old with zero coding experience, zero budget, and pure passion.
"Not just another chatbot. Five distinct minds. One platform."
|
Gym Trainer Personalized fitness coaching. Remembers your goals, splits & progress across sessions. |
Librarian Book recommendations, summaries, reading lists. Your personal literary guide. |
Music Producer Beat advice, music theory, artist feedback. Your creative studio partner. |
JEE Tutor Indian competitive exam coaching. Physics, Chemistry, Maths — exam ready. |
Companion Emotional support & daily conversation. Always here, always listening. |
✦ Multi-persona AI chat — Switch between 5 expert modes instantly
✦ Persistent session memory — AI remembers your full history per mode
✦ Google Sign In — One-click OAuth authentication
✦ Secure serverless backend — API key hidden in Netlify Edge Functions
✦ Guest mode — 10 free messages, no sign-in required
✦ Cognitive Hub — Mental exercises & brain games
✦ PWA installable — Add to home screen like a native app
✦ Markdown + Math rendering — Beautiful responses with KaTeX support
✦ Auto session naming — Sessions named from your first message
✦ Black & gold premium design — Luxury UI that feels like a real product
┌─────────────────────────────────────────────────────────┐
│ USER BROWSER │
│ sewalk-ai.netlify.app │
│ HTML + CSS + Vanilla JavaScript │
└──────────────────────┬──────────────────────────────────┘
│ fetch('/api/chat')
▼
┌─────────────────────────────────────────────────────────┐
│ NETLIFY EDGE FUNCTION │
│ chat.js (Deno) │
│ API key secured — never exposed to browser │
└──────────────────────┬──────────────────────────────────┘
│ HTTPS POST
▼
┌─────────────────────────────────────────────────────────┐
│ GOOGLE GEMINI API │
│ gemini-3.1-flash-lite-preview │
│ Free tier ✓ │
└─────────────────────────────────────────────────────────┘
┌─────────────────────────────────────────────────────────┐
│ SUPABASE │
│ Auth (Google OAuth + Email/Password) │
│ Database (chat sessions + user data) │
│ Row Level Security (users own their data) │
└─────────────────────────────────────────────────────────┘
| Layer | Technology |
|---|---|
| Frontend | Vanilla HTML, CSS, JavaScript |
| AI Engine | Google Gemini API (Free tier) |
| Backend | Netlify Edge Functions (Deno) |
| Database & Auth | Supabase (PostgreSQL + Auth) |
| Hosting | Netlify (Auto-deploy from GitHub) |
| Version Control | GitHub |
| Math Rendering | KaTeX |
| Markdown | Marked.js |
| PWA | Service Worker + Web Manifest |
1. Clone the repo
git clone https://github.com/otedtalks-byte/sewalk-ai.git
cd sewalk-ai2. Set up Supabase
- Create a free project at supabase.com
- Copy your Project URL and Anon Key
- Enable Google OAuth in Authentication → Providers
3. Set up Gemini API
- Get a free API key at aistudio.google.com
4. Deploy to Netlify
- Connect your GitHub repo to Netlify
- Set publish directory to
public - Add environment variable:
GEMINI_API_KEY=your_key_here - Deploy!
5. Update public/index.html
const SUPABASE_URL = 'your-supabase-url';
const SUPABASE_KEY = 'your-supabase-anon-key';sewalk-ai/
├── netlify/
│ └── edge-functions/
│ └── chat.js ← Secure AI proxy (Gemini API key hidden here)
├── public/
│ ├── index.html ← Entire frontend (2197 lines)
│ ├── privacy.html ← Privacy Policy
│ └── terms.html ← Terms of Service
├── netlify.toml ← Netlify config (edge function routing)
└── README.md
- ✅ API key never exposed — stored in Netlify environment variables, accessed only server-side
- ✅ CORS protection — only whitelisted domains can call the API
- ✅ Supabase RLS — Row Level Security ensures users only access their own data
- ✅ Google OAuth — verified app, no passwords stored
- ✅ HTTPS everywhere — all traffic encrypted
Built with 💛 by Soumyadip Bhatt
16 years old · India 🇮🇳 · Zero coding background · Zero budget · 2 days
"I built this alone, with curiosity, patience, and passion."
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© 2026 SeWalk AI · Operated by Soumyadip Bhatt · India