Overview

Capx Compose provides production-ready plugins that add specific functionality to your Next.js project. Each plugin includes working examples, proper configuration, and all necessary dependencies.

Available Plugins

AI

vercel-ai

Streaming AI chat with Vercel AI SDK

Know more

Dev Kits

goat

Autonomous agents with blockchain capabilities

Know more

solana-agent-kit

Solana-specific agent framework

Know more

Blockchain

Solana

Solana wallet and dApp development

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EVM

Ethereum and EVM-compatible chains

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Sui

Sui blockchain with Move contracts

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Authentication

privy

Web3 authentication

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Data & Backend

Supabase

PostgreSQL with real-time and auth

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Firebase

NoSQL database and Firebase services

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vercel-kv

Redis-compatible key-value storage

Know more

Plugin Features

Each plugin provides:

📁 Complete File Structure

• Working example pages
• API routes (if needed)
• Utility functions
• Type definitions

📦 Dependencies

• Production packages
• Development tools
• Type definitions
• Peer dependencies

🔧 Configuration

• Environment variables template
• Config files
• Build settings
• TypeScript types

📚 Documentation

• README with setup instructions
• Code comments
• Usage examples
• Best practices

Environment Variables

Each plugin requires specific environment variables:

AI & Dev-Kit Plugins

# vercel-ai, goat
OPENAI_API_KEY=sk-...

# goat specific
GOAT_CHAIN=evm
WALLET_PRIVATE_KEY=0x...
RPC_PROVIDER_URL=https://...

Blockchain Plugins

# solana
NEXT_PUBLIC_SOLANA_NETWORK=devnet
NEXT_PUBLIC_RPC_ENDPOINT=https://api.devnet.solana.com

# evm
NEXT_PUBLIC_ETHEREUM_NETWORK=sepolia
NEXT_PUBLIC_INFURA_PROJECT_ID=...

# privy
NEXT_PUBLIC_PRIVY_APP_ID=...

Data & Backend Plugins

# supabase
NEXT_PUBLIC_SUPABASE_URL=...
NEXT_PUBLIC_SUPABASE_ANON_KEY=...

# firebase
NEXT_PUBLIC_FIREBASE_API_KEY=...
NEXT_PUBLIC_FIREBASE_PROJECT_ID=...

# vercel-kv
KV_REST_API_URL=...
KV_REST_API_TOKEN=...

Choosing Plugins

For AI Applications

• Start with vercel-ai for chat interfaces
• Add supabase or firebase for data persistence
• Use vercel-kv for caching

For Web3 Applications

• Choose your blockchain: solana, evm, or sui
• Add privy for user authentication
• Include firebase or supabase for off-chain data

For AI + Web3

• Use goat for EVM/Solana AI agents
• Use solana-agent-kit for Solana-specific agents
• Combine with databases for persistence