Home

Getting Started AI Coding Platforms Model Context Protocol Agentic Coding Prompt Engineering Hands-On Projects

Practice Playground 🏆 Leaderboard

Log in Sign up

🧪 Playground — try it yourself

Run code, validate MCP configs, and drive a simulated coding agent.

⚡ Code sandbox 🔌 MCP / JSON lab 🤖 Agent terminal

agent@dojo:~$

🤖 HarDojo

Free, interactive lessons on AI coding tools, the Model Context Protocol and agentic engineering.

Learn

Getting Started AI Coding Platforms Model Context Protocol Agentic Coding Prompt Engineering Hands-On Projects

Practice

All exercises Code playground MCP config lab Agent terminal 🏆 Top learners

Developers

📡 API reference Verify a certificate

Admin

Admin login

Built for shared hosting with PHP + MySQL. Free to install & self-host.