DevBooster
Find code. Understand it. Optimize it. Paste with confidence
What it does
Find a snippet. DevBooster explains what it does, checks for bugs, adapts it to your codebase, and adds documentation—all before you paste. It’s your AI partner for smarter copy-paste coding. Works right in your browser, on any coding site.
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- 1O1Code – Open-source Cursor-like UI for Claude CodeJan 2026 · github.com · ▲75
Hi, we're Sergey and Serafim. We've been building dev tools at 21st.dev and recently open-sourced 1Code (https://1code.dev), a local UI for Claude Code. Here's a video of the product: https://www.youtube.com/watch?v=Sgk9Z-nAjC0 Claude Code has been our go-to for 4 months. When Opus 4.5 dropped, parallel agents stopped needing so much babysitting. We started trusting it with more: building features end to end, adding tests, refactors. Stuff you'd normally hand off to a developer. We started running 3-4 at once. Then the CLI became annoying: too many terminals, hard to…


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