Frontend (apps/web)
Next.js 16
App Router with Server Components
React 19
Concurrent rendering and modern hooks
TypeScript 5
Full type safety across the codebase
TailwindCSS
Utility-first CSS framework
Shadcn/ui
High-quality component library
TanStack Query
Powerful data synchronization for React
Zustand
Lightweight state management
Zod
TypeScript-first schema validation
Lucide React
Beautiful icon library
Turbopack
Fast development bundling
Backend (apps/api)
Fastify 5
Fast and low overhead web framework
TypeScript
Type-safe backend development
Zod
Runtime type validation with Fastify integration
Swagger/OpenAPI
Auto-generated API documentation
Scalar
Interactive API reference
WebSocket
Real-time bidirectional communication
Redis
Caching and session storage
Documentation (apps/docs)
Mintlify
Developer documentation app
OpenAPI scraping
Generated endpoint docs from API schema
AI & ML Stack
Vercel AI SDK
Unified interface for AI models
AI SDK Gateway
Optional multi-provider model routing
AI SDK OpenAI Provider
OpenAI-compatible integration through AI SDK
LangChain
LLM application framework
Vector Store
Semantic search and embeddings
Embeddings
Text embedding generation for RAG
Streaming
Real-time AI response streaming
Database & ORM
PostgreSQL
Primary relational database
Drizzle ORM
TypeScript ORM with excellent DX
Drizzle Kit
Database migrations and introspection
Neon
Serverless Postgres hosting
Storage
AWS S3
Object storage for files and documents
S3 Presigned URLs
Secure file upload/download
Multi-bucket
Separate buckets for different file types
Caching & Real-time
Redis (ioredis)
In-memory data store for caching
WebSocket
Real-time message streaming
Resumable Streams
Recoverable real-time stream handling
Pub/Sub
Event-driven architecture
Cache Layer
Intelligent caching strategy
Background Jobs
Trigger.dev
Reliable background job processing
Python Integration
Database operations and file processing
Task Scheduling
Automated ingestion and processing
Job Queues
Async task execution
Authentication & Authorization
Better Auth
Modern authentication library
OAuth
GitHub social login
Email/Password
Traditional authentication
Email Verification
Secure account activation
Organizations & Teams
Multi-tenant support
Role-Based Access Control
Fine-grained permissions
Packages (packages/*)
The monorepo includes several shared packages:
| Package | Description |
|---|---|
@workspace/ai | Unified AI primitives (generation, embeddings, tools, and providers) |
@workspace/auth | Authentication and authorization |
@workspace/billing | Payment processing integration |
@workspace/cache | Redis caching layer |
@workspace/core | Shared domain schemas, contracts, and validation types |
@workspace/db | Database schema and queries |
@workspace/email | Email templating and sending |
@workspace/engine | Agent runtime orchestration (streaming, tools/MCP, retrieval, ingestion, and Trigger.dev task pipelines) |
@workspace/env | Environment variable validation |
@workspace/realtime | Realtime transport, pub/sub, stream handling, and chat hooks |
@workspace/sdk | Auto-generated API client (Kubb) |
@workspace/storage | S3 file storage operations |
@workspace/ui | Shared UI components |
@workspace/utils | Common utilities |
@workspace/vector-store | Vector retrieval and embedding utilities |
@workspace/encryption | Data encryption utilities |
@workspace/notification | Notification system (Novu) |
@workspace/tsconfig | Shared TypeScript configuration |
Build Tools & DevOps
Turborepo
Monorepo build system
pnpm
Fast, disk space efficient package manager
Biome
Fast formatter and linter
TypeScript
Static type checking
Docker
Containerization
Docker Compose
Local development environment
Kubb
SDK generation from OpenAPI schema
Hosting & Infrastructure
Vercel
Frontend hosting and edge functions
Railway
Backend API hosting
Neon
Serverless PostgreSQL database
Upstash
Serverless Redis
Cloudflare R2
File storage
Third-Party Services
Trigger.dev
Background job processing
Resend
Transactional and marketing emails
Polar
Payment processing and subscriptions
Novu
Multi-channel notifications
GitHub Actions
CI/CD pipeline
GitHub OAuth
Social authentication
Development Experience
Hot Module Replacement
Fast development iteration
Type Safety
End-to-end TypeScript
Auto-generated SDK
Type-safe API client from OpenAPI
API Documentation
Interactive Swagger docs
Database Studio
Drizzle Studio for DB management