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Handle Extension

Refine UI in the browser, feed changes to your coding agent

Point and fix. Refine UI directly in your browser instead of endlessly re-prompting your agent. Works with Claude Code, Codex, Cursor and others.

Top comment

Hey Product Hunt! 👋 I’m Derek, founder of Handle.

Coding agents are great at the first 80% of UI. But for that last 20%, when you need to make tweaks for final polish, you end up constantly re-prompting it... it's a sledgehammer when you need a scalpel. The best of both worlds is to do the first draft with the agent and then directly fine-tune it by hand with visual tools.

We built Handle, a simple open source MCP + Chrome extension to solve this. We hope it's useful to the community!

Ask us anything, give us feedback, or share how your AI-powered development workflow is changing. We’ll be around to chat all day.