The wave of CLI Coding Agents If you have tried Claude Code, Gemini Code, Open Code or Simon Willison’s LLM CLI, you’ve experienced something fundamentally different from ChatGPT or Github Copilot. These aren’t just chatbots or autocomplete tools - they’re agents that can read your code, run your tests, search docs and make changes to your codebase async. But how do they work? For me the best way to understand how any tool works is to try and build it myself. So that’s exactly what we did, and i...