ARBuilder provides AI-powered tools for Stylus smart contracts, cross-chain bridging, full-stack dApp generation, and L1/L2/L3 messaging. Connect your IDE and start building in minutes.
Build production-ready Stylus contracts with AI assistance
Generate production-ready Stylus contract code from natural language descriptions.
Automatically generate comprehensive test suites for your Stylus contracts.
Get instant answers to your Stylus development questions with context from docs.
Search through Stylus documentation and code examples with semantic understanding.
Get step-by-step guides for building, testing, and deploying your contracts.
Works with Cursor, Claude Desktop, and any MCP-compatible editor via mcp-remote.
Generate TypeScript code for ETH/ERC20 bridging and cross-chain messaging
Generate code for ETH deposits and withdrawals between L1 and L2.
Bridge ERC20 tokens with automatic approval and gateway handling.
L1→L2 retryable tickets and L2→L1 messages via ArbSys.
Bridge assets directly from L1 to Orbit L3 chains.
Track retryable ticket redemption and L2→L1 message confirmation.
Get answers about bridging patterns, timing, and best practices.
From signup to building in under 5 minutes
Create a free account and generate an API key from your dashboard. No credit card required.
Add this to your Cursor or Claude Desktop MCP configuration:
{
"mcpServers": {
"arbbuilder": {
"command": "npx",
"args": ["-y", "mcp-remote",
"https://arbuilder.app/mcp",
"--header", "Authorization: Bearer YOUR_API_KEY"]
}
}
}Ask your AI assistant to help you build Stylus contracts. The tools are automatically available in your IDE.
Our free tier includes everything you need to get started with Stylus development.
100
API calls/day
50
Context searches
20
Code generations
30
Q&A queries