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Essays and notes on AI, engineering, and building products.

In 2026, Why I Started Paying Attention to AI Browser Extensions Instead of Mobile Apps

In 2026, Why I Started Paying Attention to AI Browser Extensions Instead of Mobile Apps

An indie developer shares 2026 AI browser extension development experience: compared with mobile app development, browser extensions have become the lowest-barrier commercialization path with the help of AI tools. Based on real tests of three technology stacks, this post analyzes market timing, technical feasibility, monetization models, and risks, offering a complete action guide from idea validation to launch and promotion.

I Tried the Hottest AI Browser Extensions of 2026 — the Ones Independent Developers Can Actually Use

I Tried the Hottest AI Browser Extensions of 2026 — the Ones Independent Developers Can Actually Use

An independent developer shares hands-on experience with AI browser extensions in 2025: from productivity-enhancing tools to monetization paths. Based on authoritative data from Stack Overflow, GitHub Octoverse, and real case studies, this article breaks down the real effectiveness, learning curve, and ROI of three types of AI extensions, along with a complete action guide for going from using the tools to generating income.

Obsidian + AI: A New Paradigm for Building Your Second Brain Knowledge Management

Obsidian + AI: A New Paradigm for Building Your Second Brain Knowledge Management

Explore how to combine Obsidian's local-first architecture with AI technology to build a truly intelligent second brain knowledge management system. Starting from the limitations of traditional note-taking tools, this article deeply analyzes Obsidian's core advantages, the AI plugin ecosystem, and real-world use cases, while offering practical solutions for privacy protection and cost optimization.

When the Google Maps Bill Starts to Sting: I Tried Several Free Map API Alternatives

When the Google Maps Bill Starts to Sting: I Tried Several Free Map API Alternatives

An indie developer shares their shock at a $47 Google Maps bill, compares how major map API pricing changed in 2025, offers free/low-cost alternatives like Mapbox, MapTiler, and OpenStreetMap, and provides a complete guide from technical implementation to cost optimization. In the end, the bill dropped from $47 to $5, saving 95% on map API costs.

Claude Code Notification Plugin

Claude Code Notification Plugin

Leveraging the Hooks plugin provided by Claude Code, it sends a system bubble notification when a task completes. I tested it on Windows and it works well. Finally, I can enjoy watching short videos without constantly glancing back at Claude Code.

How to Choose Between Skills and SubAgent

How to Choose Between Skills and SubAgent

Both solve the same problem: I already have a written Agent, and now I want to add a new feature. So how exactly should this feature be integrated into the current Agent system?

Gemini 3 Hot Take: Design Aesthetics Will Lose Their Value

Gemini 3 Hot Take: Design Aesthetics Will Lose Their Value

In the past, AI tools in my mind were merely tools that could quickly generate some generic template code, which was very useful. But the code they generated was too crude and lacked beauty in the frontend field. However, the advent of Gemini 3 made me realize that although AI may not understand what "beauty" is, it can completely copy it—replicating any good-looking UI interface has become exceptionally easy.

NoteBookLM for PPTs: Really Impressive

NoteBookLM for PPTs: Really Impressive

Based on my experience, in the field of PPT generation, the improvement of the model's own capabilities has far surpassed the value of designing various workflows or agents. It's like an exceptionally capable intern — you only need to explain the core task, and it delivers a surprisingly impressive result, while those elaborate process designs of yours are like unnecessary reins on a genius.

Generating n8n Workflows Automatically with Claude Code

Generating n8n Workflows Automatically with Claude Code

In the wave of automation, n8n has become the open-source workflow orchestration tool of choice for many developers. Now, with the arrival of Claude Code, we can generate complete n8n workflows with a single click using natural language — from flow design to node connections, everything is automated, greatly improving efficiency.

KaraKeep: A Self-Hosted AI-Enhanced Knowledge Hub

KaraKeep: A Self-Hosted AI-Enhanced Knowledge Hub

KaraKeep (formerly Hoarder) is a self-hosted knowledge management platform for technical users, positioned as an "AI-enhanced digital junk drawer" that supports unified archiving and intelligent processing of multimodal content including links, images, PDFs, videos, Markdown, and more.

Fiddler 5.0.20253 Portable Edition - Packet Capture Tool

Fiddler 5.0.20253 Portable Edition - Packet Capture Tool

Fiddler is a highly regarded network debugging proxy tool, favored by developers, test engineers, and cybersecurity professionals. It excels at intercepting, analyzing, and debugging HTTP/HTTPS traffic, allowing users to easily gain insight into the intricacies of network interactions. With its user-friendly interface and versatile design, Fiddler is not only suitable for troubleshooting Web applications but also assists in API validation, performance tuning, and security scanning, making it a core assistant in the fields of web development and operations.

The All-Purpose Open-Source Download Tool: yt-dlp

The All-Purpose Open-Source Download Tool: yt-dlp

If you like using command-line tools, saving online videos can be a challenge. Video websites constantly update their technology to protect content, making it hard for traditional download tools to keep up. yt-dlp is an improved version of youtube-dl and has become the best command-line video download tool.

Everything Can Be Subscribed: RSSHub

Everything Can Be Subscribed: RSSHub

RSS technology, as an ancient yet powerful method of information aggregation, is undergoing a renaissance. And RSSHub, as the core driving force behind this revival, has become the world's largest RSS network with its "RSS Everything" philosophy, with over 5,000 instances running around the globe.

Three AI Coding Workflows That Actually Stuck

Engineering

Three AI Coding Workflows That Actually Stuck

Most AI coding tricks fade after a week. These three workflows survived months of daily use: spec-first scaffolding, test-anchored refactoring, and review-as-prompt.

aiworkflowproductivity
English-only Test Post

Engineering

English-only Test Post

This post has no Chinese translation — it should list on /blog but not on /zh/blog.

testingi18n
In Praise of Boring Databases

Engineering

In Praise of Boring Databases

Postgres has survived every trend I have thrown at it. A case for choosing the database that will still be fine in ten years.

postgresarchitectureopinion
My 2026 Dev Setup

Notes

My 2026 Dev Setup

The tools that survived another year of churn: one editor, one terminal, a homelab that fits in a drawer, and fewer apps than ever.

toolssetupproductivity
Shipping a Side Project in a Weekend

Notes

Shipping a Side Project in a Weekend

The Saturday-to-Sunday playbook: pick a sharp edge, buy the boring parts, demo before polish, and ship before the commute resets your brain.

side-projectindieshipping