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MCP Servers Are Not the Hard Part

The MCP demo is easy now. That is the part people keep underestimating. Once a protocol gets enough examples, SDKs, docs, and copy-pasteable server templates, the first win becomes cheap. Your agent calls a tool. It read

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Hello DEV Community — Honlly Telecom Joins the Conversation

Hi DEV community! 👋 We are Honlly Telecom — a 4G/5G CPE and MiFi manufacturer based in Xiamen, China. Since 2009, we have been designing and producing wireless broadband devices for ISPs, telecom operators, and distribu

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Linux Command Line: The 50 Commands You Actually Need (2026)

Linux Command Line: The 50 Commands You Actually Need (2026) You don't need to memorize 10,000 commands. These 50 cover 95% of what you'll do daily as a developer. File & Directory Operations # Navigation pwd # Print

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Building Class Tracker: A Student Productivity Web App

As a student, I realized that I & a few other friends of mine were constantly switching between notebooks, calendars, reminders, and random sticky notes just to keep track of classes, homework, and deadlines. So I de

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How to Build a Competitor Monitoring Pipeline in 30 Minutes

How to Build a Competitor Monitoring Pipeline in 30 Minutes Stop checking competitor prices manually. Here's the exact stack I use to monitor 50+ competitor URLs in real-time, without getting blocked. What We're Building

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Git Crash Course: From Absolute Beginner to Confident User

A complete, hands-on guide to version control that actually makes sense Before We Begin: Why Git Matters I'll never forget my first week as a junior developer. I'd been working on a feature for three days when my compute

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LLM API cost attribution playbook for production SaaS teams

TL;DR If your SaaS product calls multiple LLM providers, the invoice from OpenAI, Anthropic, Gemini, Bedrock, or OpenRouter is not enough. You need attribution at the feature, tenant, assistant, thread, model, and provid

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Why TanStack Query is overrated (and what to use instead)

⚠️ 【待 review】 Why TanStack Query is overrated (and what to use instead) I've been a TanStack Query user for two years. I wrote about it, recommended it to my team, and genuinely thought it was the final form of frontend

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Understanding Sets in Python

1Understanding Sets in Python: A Beginner's Guide Python provides several built-in data structures, and one of the most useful among them is the set. A set is an unordered collection of unique elements. It is commonly us

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Web Security: OWASP Top 10 for Developers (2026)

Web Security: OWASP Top 10 for Developers (2026) Security isn't a feature you add later — it's built into how you code. Here's what every developer needs to know about the OWASP Top 10. What is OWASP Top 10? OWASP = Open

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Linux Command Line: The Developer's Survival Guide (2026)

Linux Command Line: The Developer's Survival Guide (2026) The terminal is your superpower. These are the commands and patterns I use every single day as a developer. File System Navigation # === Essential navigation ===

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REST API Design: Building APIs Developers Love (2026)

REST API Design: Building APIs Developers Love (2026) A great API is a pleasure to use. A terrible one drives developers away. Here's how to design APIs that people actually want to work with. Core Principles 1. Consiste

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npm Scripts and package.json Mastery (2026)

npm Scripts and package.json Mastery (2026) Your package.json is more than a dependency list — it's your project's command center. Master npm scripts and supercharge your workflow. package.json Anatomy { "name" : "my-awe

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