Rythu Mitra
Rythu Mitra — రైతు మిత్ర
Vernacular-first AI business companion for Telugu-speaking farmers.
Chat-native farm management for India's 150M+ Telugu-speaking farmers. Voice to AI to Structured Records. Open source, offline-capable, designed with love.
"WhatsApp is for your life. This is for your livelihood."
What is Rythu Mitra?
Rythu Mitra (రైతు మిత్ర = "Farmer's Friend") is an AI-powered farm management app built specifically for Telugu-speaking farmers in Andhra Pradesh and Telangana. It understands Telugu voice input, tracks expenses and income, shows real-time mandi prices, and provides proactive farming intelligence — all on a Rs 10,000 phone over a 3G connection.
Built for Lakshmi
Our design persona is Lakshmi, 38, a groundnut and cotton farmer from Anantapur district. She manages 4 acres of dryland farming, pays laborers in cash, sells at the local mandi, and tracks everything in her head. Rythu Mitra gives her a digital memory that speaks her language.
Features
- Telugu Voice Input — Say "కూలి 1000" and it records Rs 1,000 labor expense
- AI Chat (Sarvam 105B) — Conversational interface in Telugu with live database context
- Expense and Income Tracking — All money in integer paise, balance never stored (always computed)
- Mandi Price Feed — Real-time market prices with MSP comparison across mandis
- Crop Diary — Field events: planting, spraying, irrigation, pest observations, harvest
- Bill OCR — Photograph dealer bills; AI extracts amounts automatically
- Web Search — Agricultural knowledge with Telugu KB + DuckDuckGo + Sarvam fallback
- Persistent Memory — AI remembers farmer preferences, patterns, and concerns
- 30-second Undo — Every financial action is reversible
- Government Schemes — PM-KISAN, YSR Rythu Bharosa status tracking
Tech Stack
| Layer | Technology |
|---|---|
| Frontend | Svelte 5, TypeScript, Vite |
| Database | SpacetimeDB (real-time sync, offline-capable) |
| AI | Sarvam AI (105B chat, STT, TTS, translation) |
| Design | Matti Design System (earth palette for farming context) |
| Intelligence | Ananta engine (digital root classifier, 4 validation gates, pattern detection) |
Quick Start
Prerequisites
- Node.js 18+
- A Sarvam AI API key (free tier available)
Run the client
npm install --prefix client
npm --prefix client run dev
The app connects to the live SpacetimeDB instance on maincloud.spacetimedb.com. Enter your Sarvam API key in Settings to enable AI features.
Run the STDB module (optional — for local development)
npm install --prefix module/spacetimedb
npm run module:build
npm run module:publish
npm run module:generate # regenerate TypeScript bindings
Project Structure
rythu_mitra/
├── client/ # Svelte 5 frontend
│ ├── src/
│ │ ├── components/ # UI components (ChatPanel, ConfirmCard, etc.)
│ │ ├── screens/ # App screens (Home, Dabbu, Market, Panta, Settings)
│ │ ├── lib/ # Core logic
│ │ │ ├── ananta.ts # Intelligence engine (digital root, validation gates)
│ │ │ ├── actions.ts # CRUD action routing + execution
│ │ │ ├── chat.ts # SSE streaming chat engine
│ │ │ ├── context.ts # Dynamic system prompt builder
│ │ │ ├── voice.ts # Telugu expense parsing (70+ keywords)
│ │ │ ├── search.ts # Multi-provider web search
│ │ │ ├── memory.ts # Persistent AI memory system
│ │ │ └── ...
│ │ └── module_bindings/ # Auto-generated SpacetimeDB bindings
│ └── ...
├── module/ # SpacetimeDB server module
│ └── spacetimedb/
│ └── src/index.ts # 13 tables, 18 reducers, views
├── features/ # Feature contracts & sprint logs
├── decisions/ # Architecture Decision Records
├── uiux-mockups/ # Design mockups
├── scripts/ # Dev utility scripts
└── docs/ # Documentation
Architecture Principles
- Balance is NEVER stored — always computed from
money_events(Phase 18 invariant) - All money is integer paise — no floating point, ever (Rs 1 = 100 paise)
- Idempotency on financial writes — SHA256-based duplicate prevention
- Telugu-first — 70+ keywords, fraction amounts (ఒకటిన్నర = 1.5), verb conjugations
- Offline-capable — local fallback data, localStorage persistence, sync when online
- AI with guardrails — 4 validation gates (sanity, consistency, duplicate, quality)
Testing
npm run check # Client type check (0 errors, 0 warnings)
npm run test # Client Vitest suite
npm run build # Client production build
npm run verify # check + test + build in one command
Contributing
Contributions welcome! This project serves real farmers — please be thoughtful about:
- Telugu accuracy — verify keywords with native speakers
- Offline behavior — test without network connectivity
- Low-end devices — target Rs 10,000 Android phones (2GB RAM, 3G)
- Financial correctness — money operations must be exact (integer paise)
License
Acknowledgements
Built by Asymmetrica with:
- Sarvam AI — Indian AI models (Telugu STT, chat, TTS, translation)
- SpacetimeDB — Real-time database with offline sync
- Svelte — Reactive UI framework
Om Lokah Samastah Sukhino Bhavantu May all farmers benefit from technology that speaks their language.
