Technologies
What is happy built with?
happy is a Swift repo built with Jetpack Compose, androidx.core:core-ktx, React, react-native, Expo, and 4 more. It stores its data in Postgres, reaches it with Prisma, uses AI through @agentclientprotocol/sdk and Anthropic, measures its use with PostHog, connects to GitHub, makes its content with com.google.zxing:core, qrcode-terminal, prismjs, qrcode, and sharp, validates its data with Zod, is tested with junit:junit, Vitest, and react-test-renderer, deploys with expo-updates, log, pino, and pino-pretty, and uses MCP and Redis. It has 2,552 files and 796,200 written lines, with 1,437 test files.
Read on November 4, 2026, at commit e99bd0f. Read it as markdown
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Frontend
The base
- Jetpack Compose291 files
- androidx.core:core-ktx11 files
- React2 files
- react-native1 file
Interface
- appcompat
- androidx.recyclerview:recyclerview1 file
- androidx.swiperefreshlayout:swiperefreshlayout1 file
- react-native-safe-area-context1 file
Support
Content
- com.google.zxing:core2 files
Testing
- junit:junit466 files
Tools
- TypeScript1 file
Other
- org.bouncycastle:bcprov-jdk18on2 files
- diff1 file
packages/expo-tailcat
Frontend
The base
- Expo1 file · in packages/happy-app/package.json
packages/happy-agent
Support
Content
- qrcode-terminal1 file
Testing
- Vitest10 files
Tools
- commander1 file
Other
- Axios2 files
tweetnacl2 files
packages/happy-app
Frontend
The base
- React294 files
- react-native246 files
- Expo75 files · in packages/happy-app/package.json
- Tauri1 file
Styles
- expo-font1 file
Interface
- react-native-safe-area-context33 files
- react-native-reanimated21 files
- react-native-gesture-handler7 files
- expo-blur4 files
- expo-status-bar2 files
- expo-splash-screen1 file
- Mermaid1 file
Backend
Services
Support
The base
- @tauri-apps/api1 file
Content
prismjs2 files
- qrcode1 file
Validation
- Zod19 files
Testing
- Vitest173 files
- react-test-renderer22 files
Deploy
- expo-updates4 files
- log1 file
Tools
- TypeScript3 files
- Babel1 file
Other
- serde
- serde_json
zustand10 files
- Axios5 files
- diff4 files
- react-native-worklets3 files
- fast-deep-equal2 files
fuse.js2 files
- @tauri-apps/plugin-opener1 file
tauri-plugin-opener1 file
packages/happy-cli
Frontend
The base
- React11 files
Backend
AI
- @agentclientprotocol/sdk3 files
Support
The base
- Fastify1 file
Content
- qrcode-terminal1 file
Validation
- Zod11 files
Testing
- Vitest103 files
Tools
- Inquirer1 file
Other
chalk10 files
- Axios9 files
- cross-spawn5 files
- @noble/hashes1 file
- open1 file
- tmp1 file
- ws1 file
packages/happy-push-server
Support
The base
- Hono1 file
Validation
- Zod2 files
Testing
- Vitest5 files
packages/happy-server
Backend
Data
Data access
- Prisma15 files
Services
Support
The base
- Fastify4 files
Content
- sharp1 file
Validation
- Zod20 files
Testing
- Vitest22 files
Deploy
- pino1 file
pino-pretty1 file
Other
- reflect-metadata2 files
- @fastify/cors1 file
- SemVer1 file
packages/happy-wire
Support
Validation
- Zod6 files
Testing
- Vitest4 files
Other repos with a similar stack
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Frequently asked questions
What language is happy written in?
What framework does happy use?
What database does happy use?
The proof: packages/happy-server/sources/storage/db.ts, line 3
Does happy use AI?
What services does happy use?
The proof: packages/happy-app/sources/app/_layout.tsx, line 19
Does happy have tests?
Which repos have a stack like happy's?
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