So I Checked Out ECC... Photo by Unsplash via Pexels Alright, I'll be real with you. When I saw affaan-m/ECC with 207,587 stars on GitHub, my first thought was "either this is the second coming of open-source or something fishy is going on." That's an insane number for a project that's not, like, React or VS Code. So I had to dig in and actually try it. The elevator pitch is: it's an agent harness performance optimization system. Which sounds fancy but basically means it helps you get more out of AI coding assistants like Claude Code, Codex, Cursor, and others. Think of it as a middleware layer that gives your AI agents better memory, cleaner context, and smarter instincts about how to handle your codebase. I've been burned by "AI tooling" before that turned out to be a glorified config file. So I went in skeptical. But after spending a few hours with it, I have actual opinions now. Let's get into it. What It Actually Does So...