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How I Built an Agentic Coding CLI from Scratch

I wanted to understand how AI coding tools actually work under the hood. Not just use them — but build one myself. So I built AgentCode: an open-source, multi-model agentic coding CLI. You type a req

dev.to May 04, 2026 Read more →

From Script to Browser: Migrating My First Custom Solana Keypair

What I Did I used a simple JavaScript script and the @solana/kit library to programmatically generate a new keypair, saved the secret key to a local .json file, and then wrote a second scri

dev.to May 04, 2026 Read more →

Why Your Control Plane Is a Convergence Engine, Not a Policy Engine

2026-05-04 | OpenClaw Runtime Control Plane V37.9.24 | Stage 2 Position Article #5 TL;DR I spent 11 days building one thing into a production Agent Runtime that most control plane frameworks don't do

dev.to May 04, 2026 Read more →

AI is a Non-Deterministic Guest in a Deterministic House: Stop Building Chatbots, Start Building Sandboxes

The Signal: The Legally Binding Hallucination Recently, a major airline's customer support chatbot hallucinated a bereavement fare policy. A customer claimed the refund, the airline refused, and a tri

dev.to May 04, 2026 Read more →

Architecting Resilient Systems: An Applied Guide to Software Design Principles

Introduction In the realm of software engineering, the objective extends far beyond merely writing code that executes correctly. As enterprise applications scale in complexity, codebases that lack st

dev.to May 04, 2026 Read more →

Server-Side Request Forgery (SSRF)

Your application fetches a URL. The user supplied it. Your server makes the request, follows the redirect, and returns the content. The URL pointed to http://169.254.169.254/latest/metadata/iam/secur

dev.to May 04, 2026 Read more →

The New OAuth Problem Is Agent Delegation

Enterprise identity used to have a fairly stable center of gravity. A user authenticated. An application received a token. The token carried scopes or claims. The backend enforced what that applicati

dev.to May 04, 2026 Read more →

I made openclaw alternative in python

I made my first open source project which is openclaw alternative in Python. It's called Synthclaw Coagent. It can easily run on a small VPS or instance of 512 MB RAM. I used it to automate blog

dev.to May 04, 2026 Read more →

Behavioral Annotations: Why readonly and destructive guide LLM Planning

In our previous article, we discussed how Schemas act as the "Postman" of the apcore ecosystem—ensuring that data is delivered in the correct format. But knowing how to deliver a message isn't enough

dev.to May 04, 2026 Read more →

I Spent 6 Hours Fixing LangChain's ConversationBufferMemory — Here's the Automated Test You Need

At 4:59 PM on a Friday, I was about to close my laptop and sneak out when the QA colleague's icon flashed on DingTalk: "Come check this out. The support bot remembers I'm Zhang San, but when I ask for

dev.to May 04, 2026 Read more →

I built a typing game with the feature r/typing asked for — here's what I learned

Two years ago, a Reddit moderator named Gary_Internet posted in r/typing and described the one feature that would make a TypeRacer competitor worth switching to: "The other thing that would really s

dev.to May 04, 2026 Read more →

Why WordPress Backup Plugins Fail (And What They Don’t Tell You About Server Recovery)

Introduction Most WordPress users trust backup plugins to protect their websites. But when a server crashes, that trust collapses instantly. Backup plugins are useful — but they are not a real disast

dev.to May 04, 2026 Read more →

React won't die because AI won't let it

All frameworks are eventually replaced. React is probably the first that won’t be. It's not the best language out there, it's not the language developers love the most, it's the language the robots j

dev.to May 03, 2026 Read more →

The Hidden UX Problem in Voice AI: When Should the AI Stop Talking?

The Hidden UX Problem in Voice AI: When Should the AI Stop Talking? One of the hardest parts of building a voice AI product is not making the AI talk. It is knowing when the AI should stop

dev.to May 03, 2026 Read more →

Migrating from Astro 5 to Astro 6: A Real-World Breakdown 📖

I have been meaning to upgrade my personal site to Astro 6 for a while. The release notes sat in my open tabs for weeks, and every time I sat down to do it, I found an excuse to work on something else

dev.to May 03, 2026 Read more →

🐰 Meet rabbit "LAG": The Asymmetric Defense Strategy That Makes Attackers Burn Their Own Resources

What if I told you that the best way to defend your server isn't to block attackers, but to make them wait? Instant drops (TCP RST) are too kind. They let the botmaster know they need to rotate IPs or

dev.to May 03, 2026 Read more →

How to Use Micro Frontends Without Regretting It

From Monolith Mess to MFE Freedom Your Angular app has ballooned into a beast — builds drag on forever, deployments become team-wide nightmares, and everyone’s stuck waiting on each other.

dev.to May 03, 2026 Read more →

I built a fast, no-BS tip calculator (Next.js, no backend)

I wanted a simple tip calculator that just works — no login, no clutter, no lag. So I built TipQuickly 👇 https://tipquickly.com What it does Instant tip calculation (10–25% or custom) Sp

dev.to May 03, 2026 Read more →

Basics of Vector Databases: Moving Beyond Rows and Columns

In this article, we’ll explore the basics of Vector Databases (Vector DBs) and why they are the backbone of modern AI. What is a Vector Database? A traditional database (like SQL) organizes data into

dev.to May 03, 2026 Read more →

Why Next.js is the Future of Web Development (A Practical Guide for Developers)

🚀 Why Next.js is the Future of Web Development (And Why I Use It in Real Projects) If you're starting your journey in web development—or already building apps with React—you’ve probably ask

dev.to May 03, 2026 Read more →
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