Building PromptBrain with Kiro felt less like using an editor and more like working with an AI teammate who already understood my architecture, coding style, and product vision.
With steering docs in place, Kiro instantly adapted to my conventions—TypeScript patterns, file structure, UI rules, backend pipeline logic. I could say things like “Refactor #Folder:backend-brain/modules” and it would update every file, fix the types, run diagnostics, and return a clean build. Zero clutter. Zero re-explaining.
Kiro handled the boring error handling, documentation, multi-file refactors—so I could stay in flow. This alone boosted my development speed by 40%.
Even better, the diagnostics loop meant every change Kiro made was automatically checked and repaired. I never pushed broken code again.
If I had to pick one area to improve, it would be MCP integration. The potential is huge—Figma designs, testing tools, Supabase workflows—but the setup and stability still feel early. A smoother, more integrated MCP experience would make Kiro unstoppable.
But even today, Kiro didn’t just help me build PromptBrain.
It made the entire process faster, cleaner, and genuinely fun.
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Would love to hear suggestion and experiences.