Most “AI website builders” hand you a screenshot or a wall of React you can’t touch. Instatic (CoreBunch) does the opposite. It’s an open-source, self-hosted visual CMS — think Webflow, Framer, or WordPress you run yourself — with an AI agent living inside the canvas. You describe what you want, and it builds it as real, editable nodes you can then drag, tweak, and restyle by hand.
That mix of no-code canvas plus coding-agent is exactly the crossover people are chasing right now, which is why it jumped ~888 stars in one day and rode onto GitHub Trending.
What it actually is
An agentic visual CMS that outputs clean static HTML — no editor runtime, no framework bloat left on the published page. The whole thing runs in a single Bun process with embedded SQLite. No external database, no extra services. You can also paste raw HTML or import a whole site and it converts everything into editable nodes.
The BYO-model API angle
This is the interesting part. Instatic is bring-your-own-model: plug in Claude, OpenAI, OpenRouter, or a local Ollama instance with your own key. It ships a plugin system and content model, so the agent isn’t a locked black box — you pick the brain, you own the bill, and you extend it. Self-hosted means your content and your keys never leave your box.
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