React Grab
Copy any UI element for your agent
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What is React Grab?
React Grab is an open-source developer tool that lets you select any UI element in your React application and instantly copy its full code context—including file path, component name, and HTML source code—directly to your clipboard. By holding ⌘C (Mac) or Ctrl+C (Windows/Linux) while hovering over an element, you provide precise context to AI coding agents like Cursor, Claude Code, GitHub Copilot, and OpenCode, eliminating the need for agents to search through your codebase guessing what you're referencing.
The tool works by hooking into React's internal fiber tree (similar to React DevTools), walking up the component tree from your clicked element to collect component display names, source locations (file paths and line numbers), props, state hints, and sibling context. This makes coding agents run up to 3× faster and more accurate by providing exact file references in O(1) time complexity instead of requiring non-deterministic search through multiple files.
React Grab is designed for developers who frequently iterate on UI with AI coding assistants—especially for low-entropy adjustments like spacing changes, layout tweaks, வாரியாக visual modifications. It supports React plus Vue, Svelte, and Solid.js (as of March 2026), works with Next.js (App Router and Pages Router), Vite, Webpack, and TanStack Start, and only runs in development mode with zero production overhead.
Key features include one-keystroke extraction (Cmd+C/Ctrl+C), visual overlay system with selection box and crosshair for precise targeting, built-in MCP Server support for Model Context Protocol integration, plugin system for custom actions and lifecycle hooks, and automatic detection via React Fiber debugging and source mapping for accurate component identification.
React Grab pricing
Pricing model: Freemium
React Grab is 100% free and open source. There are no paid plans, subscriptions, or premium tiers. You can get started at no cost by adding a single script tag from unpkg.com or installing via npm. The tool is MIT-licensed and available on GitHub for self-hosting or modification. No credit card required, no usage limits, and no enterprise plans.
React Grab pros
- Makes AI coding agents run up to 3× faster on average
- One-keystroke extraction with Cmd+C or Ctrl+C
- Captures exact file path, component name, and line number
- Zero production overhead—only runs in development mode
- Open source and completely free to use
- Single script tag installation in under 1 minute
- Works with Cursor, Claude Code, Copilot, OpenCode, Zed, Windsurf
- Supports React, Vue, Svelte, and Solid.js
- Compatible with Next.js, Vite, Webpack, TanStack Start
- Eliminates agent search phase for O(1) code location
- Reduces token usage by sending only relevant code
- Visual overlay system with selection box and crosshair
- Built-in MCP Server support for AI workflows
- Helps new team members explore codebase visually
- Reduces iterations by getting accurate changes on first attempt
- Plugin system for custom actions and extensions
- No build step required for basic installation
React Grab cons
- Only works in development mode by design
- Production builds strip source locations unless source maps enabled
- Requires adding a script tag to your application
- Originally React-only before March 2026 expansion
- Does not analyze or identify what's wrong—only tells where things are
- You still need to describe the problem to the agent
- Single trial benchmarks show high variance in speedup results
- Chrome extension version still experimental/future feature
- May not help with complex multi-file changes where search isn't bottleneck
- Variance depends on codebase size and component naming descriptiveness
Frequently asked questions about React Grab
What is React Grab and what does it do?
React Grab is an open-source developer tool that lets you select any UI element in your React application and copy its full code context—including file path, component name, HTML structure, props, and state hints—directly to your clipboard by holding ⌘C (Mac) or Ctrl+C (Windows/Linux). This provides precise context to AI coding agents like Cursor and Claude Code, making them up to 3× faster at finding and modifying the right code.
Why does React Grab only work in development mode?
React strips source locations (file paths and line numbers) from production builds for performance and bundle size reasons. React Grab detects this and falls back to showing only component names without file paths in production. The component tree is still useful for understanding structure, but you lose direct file references. Source maps must be enabled to work in production.
Which coding agents and tools work with React Grab?
React Grab works with any IDE or coding tool including Cursor, Claude Code, GitHub Copilot, OpenCode, Codex, Zed, and Windsurf. It has built-in MCP Server support for Model Context Protocol integration and streaming responses. At its core, it just adds extra context to your prompt that helps any agent locate the right code faster.
What exactly does React Grab capture when I click an element?
React Grab captures: (1) File Path—the exact location of the component file, (2) Component Name—the React component name and line number, (3) HTML Structure—the rendered HTML with classes and attributes, (4) Component hierarchy—which components wrap this element, (5) Props and state hints, and (6) Sibling context. Example output: <span>React Grab</span> in StreamDemo at components/stream-demo.tsx:42:11
How much faster does React Grab make coding agents?
React Grab makes coding agents run up to 3× faster on average. In benchmarks using Claude Code on a shadcn/ui dashboard with 20 test cases, median edit time dropped from ~16.8s without React Grab to ~5.8s with it. Some simple element lookups showed 80%+ improvement, while complex multi-file changes showed minimal gains when search wasn't the bottleneck.
Does React Grab work with frameworks other than React?
As of March 2026, React Grab supports Vue, Svelte, and Solid.js in addition to React. Originally it was React-only via fiber tree hooks, but the framework support has expanded. It works with Next.js (App Router and Pages Router), Vite, Webpack, and TanStack Start.
Is React Grab free or does it cost money?
React Grab is 100% free and open source. There are no paid plans, subscriptions, premium tiers, or usage limits. You can get started at no cost by adding a script tag or installing via npm. The tool is MIT-licensed and available on GitHub for self-hosting or modification.
What are the best use cases for React Grab?
The best use case is for low-entropy adjustments like spacing changes, layout tweaks, or minor visual modifications. If you frequently iterate on UI with AI assistants, React Grab makes everyday changes feel smoother by letting you select an element and give the agent an exact starting point instead of describing where the code is. It's also useful for onboarding new developers who can explore the codebase visually.
Does React Grab collect or transmit any data?
No. React Grab does NOT collect, store, or transmit any personal data. It operates entirely locally in your browser—when you use it, the captured element data never leaves your device and can be cleared by uninstalling or clearing browser data. There are no analytics, tracking services, cookies for tracking, or external network requests. The extension works entirely offline.