DevLensPro
DevLensPro is a browser extension that bridges your browser and Claude Code, allowing developers to instantly debug and fix UI elements through AI-powered analysis with a simple Option+Click interaction.
https://www.devlens.pro/?ref=producthunt
Product Information
Updated:Feb 9, 2026
What is DevLensPro
DevLensPro is a free and open-source development tool designed to streamline the debugging and development workflow for modern web applications. It serves as an intelligent bridge between web browsers and Claude Code, offering developers a seamless way to identify, analyze, and fix UI elements without switching between different tools or writing lengthy bug descriptions. The platform integrates with React applications and supports both local and remote development environments through its MCP (Model Context Protocol) protocol.
Key Features of DevLensPro
DevLensPro is an AI-powered debugging and development tool that integrates with Claude Code through a Chrome extension. It allows developers to Option+Click any element in their browser to capture context, screenshots, and element information, which is then synchronized with Claude Code via MCP protocol for instant analysis and fixes. The tool supports both local and remote development workflows, includes React component detection, and works with Ralph for autonomous development.
Point-and-Click Element Selection: Option+Click any element to instantly capture its complete context including CSS, HTML, screenshots, and React component information
MCP Protocol Integration: Native integration with Claude Code through Model Context Protocol, enabling real-time WebSocket communication and task synchronization
URL-Based Project Management: Automatically maps URLs to local project folders, ensuring Claude Code always knows which codebase to edit
Privacy-First Architecture: 100% local operation with no cloud requirements, ensuring all data stays on your machine
Use Cases of DevLensPro
Quick Debugging Sessions: Fix CSS bugs and UI issues in around 10 minutes by pointing at broken elements and letting Claude apply fixes instantly
New Feature Development: Build entire features using Ralph by pointing at existing UI for context and letting Claude scaffold new code (2-8 hours per feature)
Full Project Development: Kickstart new projects or handle complex refactoring by giving Claude complete codebase understanding through element inspection
Pros
Significantly faster debugging workflow (5-10x speed improvement)
Zero context switching needed
Complete element context capture
Privacy-focused with local-first approach
Cons
Limited to Chrome browser extension
Requires Claude Code integration
Token-based pricing model may not suit all users
How to Use DevLensPro
Install Chrome Extension: Download and install the DevLensPro Chrome extension in Developer Mode
Install MCP Server: Run command: npx -y @devlenspro/mcp-server install to configure MCP server and set up integration with Claude Code
Start MCP Server: Run command: devlens start to launch the MCP server on localhost:7007 for local development mode
Select Element: Hold Option key and click on any element in your browser that you want Claude to analyze or fix
Review Captured Context: DevLensPro captures element details including HTML, CSS, screenshots, console logs and React component info
Add Description: Type your description of the issue or desired changes, and use AI Enhance for structured task details
Let Claude Fix: Claude Code receives the context via MCP protocol and automatically locates the relevant code to fix
Review Changes: If using Ralph autonomous agent, it will execute the fix and create a PR. Otherwise, review Claude's suggested changes
DevLensPro FAQs
DevLensPro is a browser extension that connects to Claude Code, allowing developers to debug and fix UI issues by Option+Clicking elements. It captures context, screenshots, and element data to help Claude understand and fix code issues.
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