Build a Free AI Stock Dashboard in 30 Minutes: Next.js 15 & Open Source
4 days ago 高效码农From Wall Street to Browser Tab: Build a Free, AI-Powered Stock Dashboard with Next.js 15 in 30 Minutes “If knowledge is doomed to live behind paywalls, let’s tear the wall down with open source.” — Open Dev Society 01｜A Tale of 2 A.M. Anxiety It’s 2 A.M. Leo, a front-end engineer, is doom-scrolling his phone. The bonus he just threw into U.S. tech stocks is now a lush shade of red. “I just need a single page where I can see my tickers, live prices and an AI-written briefing—without paying $99 a month.” Leo isn’t a hedge-fund quant. He …
Master Chrome DevTools MCP Qoder Integration: Zero to Hero Debugging Guide
4 days ago 高效码农Conquer Browser Debugging with Qoder and Chrome DevTools MCP: A Hands-On Starter Guide from Zero to Hero Picture this: You’re deep in the trenches of coding, your React app finally fires up on localhost:3000, looking slick as ever. But deploy it to production, and bam—laggy pages, mysterious API failures, and a console flooded with red JavaScript errors that hit like a freight train. You flip open Chrome DevTools, tab-hopping between Network, Console, and Performance, desperately piecing together clues. It’s exhausting, right? What if you could skip the browser-IDE ping-pong and debug right from your code editor, like chatting with an …
Fix chrome-devtools-mcp Timeout Issues on Windows: Ultimate Guide
13 days ago 高效码农Fixing MCP Client Timeout When Using chrome-devtools-mcp on Windows When integrating Model Context Protocol (MCP) with Chrome DevTools, many developers encounter a frustrating issue: MCP client for `chrome-devtools` failed to start: request timed out This blog post explains the root causes, step-by-step troubleshooting, and the final working solution on Windows. If you’re struggling with no listening ports or Chrome executable path mismatches, this guide will save you hours of debugging. 🔍 Background: Why Does MCP Timeout Happen? The MCP (Model Context Protocol) client allows AI models and developer tools to connect to Chrome DevTools for debugging, inspection, and data extraction. …
Chef: The AI App Builder That Actually Understands Backend
14 days ago 高效码农“ In one sentence: describe what you want in plain English, and Chef hands you a running web app—complete with database, login, file uploads, real-time UI and background jobs—ready to share with the world. 1. Six Quick Questions Everyone Asks Question Straight-to-the-point answer What is Chef? An open-source, AI-powered scaffold that sits on top of Convex’s reactive database and spits out full-stack code. I only know a little front-end—can I use it? Yes. Database, auth, storage and cron jobs are baked in; zero manual wiring. Is the generated code readable? Very. Folders like app/, convex/, chef-agent/ look like a normal …
Chrome DevTools MCP: Revolutionizing AI Coding Assistant Integration with Real-Time Browser Debugging
18 days ago 高效码农Introduction: Solving the “Blind Coding” Problem for AI Assistants The evolution of AI coding assistants has reached a critical juncture. While these intelligent systems can generate sophisticated code with remarkable accuracy, they’ve historically operated in a vacuum—unable to see how their creations actually perform in real browser environments. This “blind coding” problem has been a significant limitation, until now. The Chrome DevTools team has introduced a groundbreaking solution: Chrome DevTools MCP (Model Context Protocol). This innovative service enables AI coding agents to directly control and debug Chrome browsers, transforming how AI systems interact with web environments. By integrating Chrome DevTools …
Why Surf is Revolutionizing HTTP Client Development in Golang
27 days ago 高效码农Surf: The Modern HTTP Client for Go That Makes Web Interactions Simple and Powerful Introduction: Why Surf Stands Out in the Go Ecosystem When building modern applications in Go, developers frequently need to interact with web services, APIs, and external resources. While Go’s standard library provides a solid HTTP client, many real-world scenarios demand more advanced capabilities. This is where Surf emerges as a game-changer—a comprehensive HTTP client library that combines power, flexibility, and ease of use. Surf addresses the gap between basic HTTP functionality and the complex requirements of contemporary web interactions. Whether you’re working on web scraping, API …
Mediabunny: The 5kB Browser Media Toolkit Revolutionizing MP4/WebM Conversion
1 months ago 高效码农Meet Mediabunny – the zero-dependency, browser-native media toolkit that can read, write and convert MP4/WebM/MP3 with micro-second accuracy and hardware speed. Yes, it really runs 100 % in the browser (or Node.js), ships as TypeScript only, and compresses down to ≈ 5 kB when tree-shaken. Below you’ll find a complete walk-through of what it can do, how it does it, and where the traps hide – all strictly based on the library’s own README. What exact pain-points does this article solve? Can I parse a 4 GB phone clip in the browser without crashing the tab? Is there a way …
Mago PHP Toolchain: How Rust-Based Speed Revolutionizes Code Quality
1 months ago 高效码农Mago: The Blazing-Fast PHP Toolchain Built in Rust For PHP developers seeking to improve code quality without sacrificing performance, Mago offers a comprehensive solution that combines linting, formatting, and static analysis in a single, extremely fast tool. This article explores how Mago addresses the common pain points of PHP development through its Rust-based architecture and unified approach to code quality. What Problem Does Mago Solve? PHP developers have long struggled with slow tooling that interrupts development workflow. Mago directly addresses this by providing an extremely fast linter, formatter, and static analyzer that operates at speeds previously unseen in the PHP …
How to Master Nginx Rate Limiting for Controlling External Crawlers
1 months ago 高效码农How to reliably control external crawlers and reduce crawl load — practical guide with nginx rate-limiting Direct answer: Use robots.txt for cooperative guidance, but rely on server-side controls (nginx) for immediate, reliable protection. This article explains why robots.txt sometimes doesn’t work, how to diagnose the problem, and how to implement a safe, production-ready nginx-based, per-user-agent rate limiting strategy that preserves access while protecting your servers. What this article answers Central question: How can I control aggressive crawlers (for example AhrefsBot) when robots.txt changes don’t reduce crawl traffic, and what practical nginx configuration will reliably slow them down without disrupting normal …
Regolith Regex Library: The ReDoS-Proof Solution for Server-Side JavaScript & TypeScript Security
1 months ago 高效码农Regolith: A Server-Side Regex Library Immune to ReDoS Attacks Have you ever worried that the regular expressions you write might become security vulnerabilities in your services? Have you heard of “Regular Expression Denial of Service (ReDoS) attacks” but weren’t sure what they entailed? Today, we’ll explore an open-source tool that fundamentally addresses this issue—Regolith. What Are ReDoS Attacks? Regular Expression Denial of Service (ReDoS) attacks are a special type of denial of service attack that exploits design flaws in certain regex engines when processing specific patterns. When maliciously crafted inputs meet vulnerable regex patterns, they can cause the engine to …
Build a Glowing Neon Signboard in Two Hours: The Web Developer’s Shortcut
1 months ago 高效码农Build a Glowing Web Signboard in Two Hours: The NeonCraft Walk-Through 1. Why You Are Here “I need a neon-style title for my live stream but don’t want After Effects.” “I only know basic front-end—can I still finish something in two hours?” “How do I change colors, add hand-drawn shapes, and make the text breathe or flicker?” This article turns the original technical blueprint into plain English. By the end you will: Run a fully editable, full-screen neon signboard in any modern browser. Understand which Konva API call sits behind every button. Tweak colors, fonts, or animation speed without touching …
Mastering Figma Dev Mode MCP Server: Seamless Design-to-Code Workflow
1 months ago 高效码农Bringing Figma Designs into Your Codebase: A Plain-English Guide to the Dev Mode MCP Server Table of Contents What Is the Dev Mode MCP Server? Who Can Use It and What You Need Three Simple Steps to Get Started How to Generate Your First Line of Code Five Built-In Tools Explained Real-World Walkthrough: From Figma Frame to Running Web Page Frequently Asked Questions Next Steps: Teaching the AI Your Design System 1. What Is the Dev Mode MCP Server? Think of the Dev Mode MCP Server as a 「bridge」 between Figma and your code editor. Instead of copying hex codes …
OpenAI Realtime API Integration with WebRTC: Build Powerful Voice Applications
1 months ago 高效码农Mastering Realtime API with WebRTC: A Comprehensive Guide for Building Voice Applications Real-time voice communication concept Understanding the New Frontier of Real-Time Voice Interaction In today’s rapidly evolving technology landscape, real-time voice interaction has become a cornerstone of modern applications. OpenAI’s introduction of the GPT-Realtime model represents a significant leap forward in this domain, offering developers powerful tools to create natural, responsive voice applications. Unlike traditional voice models, GPT-Realtime brings sophisticated capabilities that make interactions feel remarkably human-like. This comprehensive guide will walk you through everything you need to know about connecting to OpenAI’s Realtime API using WebRTC technology. Whether …
SpectreProxy: The Ultimate Cloudflare Worker Solution for Secure and Private Web Proxying
1 months ago 高效码农SpectreProxy: The Ultimate Cloudflare Worker Solution for Secure and Private Web Proxying Introduction In today’s digital landscape, privacy protection and secure access to web services have become critical concerns for developers and organizations. Cloudflare Workers offer a powerful platform for building serverless applications, but their native fetch API introduces significant privacy risks through automatically added headers. SpectreProxy solves this fundamental problem while adding sophisticated routing capabilities for professional use cases. This comprehensive guide explores how SpectreProxy leverages Cloudflare Workers’ native capabilities to create a next-generation proxy solution that outperforms traditional approaches. Whether you need secure access to AI APIs like …
Streamdown: The Ultimate Tool for Streaming Markdown in AI Applications
1 months ago 高效码农Streamdown: The Essential Tool for Streaming Markdown in AI Applications In the rapidly evolving landscape of modern web development, particularly within artificial intelligence applications, efficiently processing and displaying dynamically generated Markdown content has become a critical requirement. If you are building applications that involve large language model (LLM) outputs, real-time chatbots, or any system that requires the progressive rendering of formatted text, you have likely encountered a significant challenge: traditional Markdown renderers often perform poorly when dealing with tokenized, character-by-character streaming content, frequently resulting in broken formatting and a subpar user experience. This is the core problem that Streamdown …
Browser Automation Breakthrough: How CDP-Based Tools Are Redefining Web Interaction
1 months ago 高效码农Browser Automation Enters New Era: Decoding the Technical Breakthroughs of Browser Use v0.6.0 The Architecture Revolution Behind Modern Web Automation 1. Cutting Out Middlemen: Why Direct CDP Access Matters When you use traditional tools like Playwright or Selenium WebDriver, your commands pass through multiple translation layers before reaching the browser. Think of it like speaking through three different interpreters at an international conference. Browser Use v0.6.0 eliminates this redundancy by directly communicating with Chrome DevTools Protocol (CDP), achieving: 62% faster response times (12.8s → 4.2s for 2000-node DOM construction) 33% memory reduction (1.8GB → 1.2GB peak usage) Native browser compatibility …
Browser Echo: Stream Browser Logs to Terminal & Boost AI Pair Programming Efficiency
1 months ago 高效码农Browser Echo: Stream Browser Logs to Your Terminal in Real-Time, an AI Pair Programmer’s Ally Tired of constantly switching between browser consoles and your code editor? Browser Echo revolutionizes frontend debugging by streaming browser logs directly to your development terminal – especially powerful when paired with AI coding assistants. Browser Echo Why Browser Echo Matters in Modern Development Frontend developers constantly use console.log() statements for debugging, but traditional approaches have three core frustrations: Context-switching fatigue: Constantly toggling between browser consoles and code editors AI assistant limitations: Tools like Copilot and Claude can’t access browser console data Complex debugging challenges: Source …
Create Interactive Technical Documentation with Markdown UI [2025 Guide]
1 months ago 高效码农Markdown UI: Bringing Technical Documentation to Life with Interactive Elements Tired of static documentation? Discover how Markdown UI adds interactivity without breaking Markdown compatibility – revolutionizing how we create and experience technical content. The Problem: Why Traditional Documentation Falls Short Modern technical communication faces three critical challenges: Static content limitations – Unable to respond to user actions Cross-platform inconsistency – Varying rendering across different systems High development costs – Requires custom solutions for interactivity Markdown UI’s breakthrough approach: Native Markdown syntax + Standardized interactive components = Cross-platform dynamic documentation Core Advantages: Five Technical Innovations 1. AI-Native Design (LLM-Optimized) // Ready-to-use …
Unlock ScreenCoder Tutorial: Transform UI Designs to Production-Ready HTML/CSS in 3 Minutes
1 months ago 高效码农From Screenshot to Website: A Complete, Plain-English Guide to ScreenCoder Keywords: UI-to-code, visual language model, front-end automation, HTML/CSS generation, ScreenCoder tutorial Why This Guide Exists Designers send screenshots. Engineers still code by hand. ScreenCoder ends that loop. It is an open-source toolkit that turns any UI image into clean, production-ready HTML/CSS. Below you will find everything you need to understand, install, and extend it—no PhD required. 1. Three-Minute Overview: How ScreenCoder Works Stage What It Does Plain-English Analogy Core Tech ① Grounding Agent Sees the picture “That box is the sidebar, this one is the header.” Vision-language model + bounding …
HMPL Templating: Revolutionizing Server-to-Client UI Rendering with Modern JavaScript
1 months ago 高效码农HMPL: Server-Oriented Customizable Templating for JavaScript Simplifying Server-to-Client UI Rendering with Modern Tools Website • Docs • Demo Sandbox • Examples What is HMPL? If you’ve ever worked on building websites or web applications, you know that getting the right content to display on a user’s screen can sometimes be complicated. You might have heard of tools that help with this, like templates or frameworks. HMPL (pronounced “humble”) is one of those tools—but with a focus on making things simpler, especially when it comes to communication between the server (where your website’s data lives) and the client (the user’s …