Quantum3-Labs/ARBuilder

Overview

ARBuilder is an open-source TypeScript code generator for Arbitrum Stylus smart contracts, dApps, and Orbit chains. It provides 19 MCP tools with retrieval-augmented generation to assist contract development and SDK bridging.

Best for

Best for
Developers building smart contracts and dApps specifically on Arbitrum Stylus or Orbit chains

Use cases

• Generate Arbitrum Stylus smart contract boilerplate code
• Bridge and integrate Arbitrum SDK components
• Develop and deploy dApps on Orbit chains

How to use

Tools exposed

• get_stylus_context
• generate_stylus_code
• ask_stylus
• generate_tests
• get_workflow
• validate_stylus_code
• generate_bridge_code
• generate_messaging_code
• ask_bridging
• generate_backend
• generate_frontend
• generate_indexer
• generate_oracle
• orchestrate_dapp
• generate_orbit_config
• generate_orbit_deployment
• generate_validator_setup
• ask_orbit
• orchestrate_orbit
• build-contract

Tested with

Claude Code, Cursor, VS Code, Claude Desktop

Example client config

{\n  "mcpServers": {\n    "arbbuilder": {\n      "command": "npx",\n      "args": ["-y", "mcp-remote", "https://arbuilder.app/mcp",\n               "--header", "Authorization: Bearer YOUR_API_KEY"]\n    }\n  }\n}

Notes

ARBuilder is an open-source TypeScript code generator for Arbitrum Stylus smart contracts, dApps, and Orbit chains. It provides 19 MCP tools with retrieval-augmented generation to assist contract development and SDK bridging.

23 stars on GitHub. Last updated 2026-05-08. Licensed MIT.

Use cases

• Generate Arbitrum Stylus smart contract boilerplate code
• Bridge and integrate Arbitrum SDK components
• Develop and deploy dApps on Orbit chains

Pros

• Open-source with permissive reuse on GitHub
• Offers many MCP tools covering various development tasks
• Uses RAG to improve code generation relevance

Cons

• Low community traction with only 23 stars
• Limited documentation or examples beyond the repository
• Niche focus only on Arbitrum Stylus and Orbit chains

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.