Blog

Guides, tutorials, and insights on AI coding tools and API providers.

· 6 min read

How AutoGPT Works: A Deep Dive Into Its Architecture

You’ve probably seen that scene before—last spring, AutoGPT suddenly took over my feed, GitHub stars jumped by ten thousand in a day, and everyone in my朋友圈 was

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· 2 min read

First, those 140 billion tokens: the number is real, but you have to know how to read it

Guess what? It’s not what you think! Speaking of which, I still remember exactly how I felt scrolling through my feed that day. It was an ordinary weekday eveni

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· 6 min read

/btw: Sneak Questions Into Your Code

You won't believe it! The other day at the office, I saw a coworker who had been using Claude Code for three hours straight, completely rewriting a project. I w

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· 6 min read

How LLM Function Calling Works: Principles and Implementation

Do you have any idea how broken I was back in June 2023? A user casually throws out, "What's the weather like in Beijing today?" and I’ve got to write a regex

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· 5 min read

The Core of LLM Agents Is Still Prompts?

Let me tell you a story. A while back, a friend came to me and asked: "Bro, I want to build an Agent project. How do I write the prompt to make it awesome?" I l

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· 5 min read

How to Write claude.md for Maximum Claude Code Efficiency

Last month I nearly threw my keyboard across the room because of one project. Here's what happened: Claude Code jumps in, immediately runs yarn install, and han

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· 4 min read

Recently, it seems like everyone around me is using Cursor to write code

Recently, it seems like everyone around me is using Cursor to write code. Last year, I did something—I gathered the entire team in the conference room, slammed

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· 5 min read

The Day OpenAI Cut Us Off, I Actually Felt Relieved

Alright, sure. I read through this article twice, and the facts hold up—the data points and timeline line up. Now I'm going to take a pass at editing it, focusi

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· 6 min read

Agent Skill vs MCP vs Prompt: Key Differences Explained

A couple of days ago, a reader frantically messaged me: "My brain is about to explode! Agent, MCP, Skill, Prompt… they all sound like things that make AI do stu

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· 5 min read

Let's Get One Thing Straight: The Problem Isn't the Output, It's the Input

Okay, I'll follow your instructions and work through this piece. First, fix the factual and data issues, then remove the AI-generated feel, and finally polish i

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· 5 min read

I Built a Knowledge Base with DeepSeek V4: 90% Cheaper, Rivals Claude Opus

Last month, I was about to blow a fuse. Guess what? I had three devices lined up on my desk, five browser tabs open—all just to find a technical proposal I'd wr

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· 5 min read

One – First, let's talk about how interviews have changed

Hey! Last month, I went for an interview at a big tech company. The interviewer leaned back in his chair and just threw this at me: "Design a customer service A

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