Build Arbitrum Stylus Contracts with AI

ARBuilder provides AI-powered tools to help you write, test, and deploy Stylus smart contracts. Connect your IDE and start building in minutes.

Get Free API KeyTry Playground

AI-Powered Development Tools

Code Generation

Generate production-ready Stylus contract code from natural language descriptions.

Test Generation

Automatically generate comprehensive test suites for your Stylus contracts.

Q&A Assistant

Get instant answers to your Stylus development questions with context from docs.

Context Search

Search through Stylus documentation and code examples with semantic understanding.

Workflow Guides

Get step-by-step guides for building, testing, and deploying your contracts.

IDE Integration

Works with Cursor, Claude Desktop, and any MCP-compatible editor via mcp-remote.

Get Started in 3 Steps

1

Sign up and get your API key

Create a free account and generate an API key from your dashboard. No credit card required.

2

Configure your IDE

Add this to your Cursor or Claude Desktop MCP configuration:

{
  "mcpServers": {
    "arbbuilder": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://arbbuilder.pages.dev/mcp",
               "--header", "Authorization: Bearer YOUR_API_KEY"]
    }
  }
}
3

Start building

Ask your AI assistant to help you build Stylus contracts. The tools are automatically available in your IDE.

Free to Start

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

Get Started Free