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ilse
Browser-based interface refinement tool for React projects that edits code in place
$49Starting price
About ilse
ilse is a browser-based tool for refining interfaces in React applications that are already running locally. It operates as a CLI and MCP server, integrating with existing agents such as Claude Code, Codex, Cursor CLI, or Gemini CLI to make targeted changes to the codebase without generating new projects from scratch. Users can click or select elements, write instructions, and adjust styles directly in the browser, with changes reflected instantly in the code. The tool supports design modes for real-time tweaks, test modes for simulating user flows, and review modes for collaborative feedback. ilse works with popular frameworks like Next.js, Vite, Remix, and Astro, and supports design systems built with Tailwind, shadcn/ui, Radix, or MUI. All processing occurs locally, ensuring code and keys remain on the user’s machine. A free tier is available, while the Pro version adds testing, memory, and component library features.
Key features
- Point-and-say interface refinement
- Real-time code edits with minimal token usage
- Design, test, and review modes
- Integration with Claude Code, Codex, Cursor CLI, and Gemini CLI
- Support for Tailwind, shadcn/ui, Radix, and MUI
- Component library in Pro version
- Journey testing and accessibility checks in Pro
- Local-only operation with no code transmission
Use cases
- Refining existing React interfaces during development
- Testing user flows and identifying UI issues
- Collaborative review of interface changes without accounts
Pros
- Edits code in place without generating new projects
- Integrates with existing agents via CLI and MCP server
- Supports multiple React frameworks and design systems
- Runs entirely locally with no server or account required
- Free tier available with no future monetization of core features
Cons
- Pro version required for advanced testing and collaboration features
- Limited to React projects with a dev server
- No support for non-React or non-browser-based applications
Frequently asked questions about ilse
What does ilse do?
ilse is a browser-based tool for refining interfaces in React applications that are already running locally. It allows users to click or select elements, write instructions, and adjust styles directly in the browser, with changes reflected instantly in the code.
Who is ilse designed for?
ilse is designed for developers and designers who work with React applications and want to refine interfaces without leaving their local development environment. It is particularly useful for those who prefer to iterate on existing code rather than generating new projects from scratch.
How does ilse integrate with other tools?
ilse operates as a CLI and MCP server, integrating with existing agents such as Claude Code, Codex, Cursor CLI, or Gemini CLI. It does not require an extension, app, or account, and all processing occurs locally on the user’s machine.
Does ilse require an internet connection or send code to a server?
No, ilse does not require an internet connection for core functionality, and it does not send your code to any server. All processing, including code changes and agent interactions, occurs locally on your machine.
What frameworks and design systems does ilse support?
ilse supports popular frameworks like Next.js, Vite, Remix, Astro, and CRA, as well as design systems built with Tailwind, shadcn/ui, Radix, or MUI. It works with any React project that has a dev server running.
What is the difference between the free and Pro versions of ilse?
The free version of ilse includes basic interface refinement features, while the Pro version adds testing capabilities, memory features, and a component library. Pro also includes additional tools like accessibility checks, error reporting, and journey simulations.
