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DEV Community · Technology

DeepSeek Harness: What Happens When the Agent Runtime Becomes the Product

How an "everything is a plugin" architecture reframes what an AI agent actually is — and what it teaches builders of any agent stack. 1. The Agent Is More Than the Model There's a persistent shorthand in agent engineering: take a capable LLM, give it a system prompt and a handful of tool...

Pramoda Sahu 5 days ago

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DEV Community · Technology

I measured what 12 ATS APIs actually return, across 1.5M job postings

BambooHR's public job endpoint has an isRemote field. Across 50,616 postings from 9,711 live BambooHR boards, not one had it set. Not "most were blank". Not one. If you write a client that trusts that field, you will conclude that no company using BambooHR is hiring remotely, and you will be wrong...

HwangByeongSeon 5 days ago

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DEV Community · Technology

Node.js interview deep dive: what they are really testing

Almost every senior Node question is the same question wearing a different hat: do you understand that there is one thread doing your work, and do you know what happens when you block it. Node interviews look varied and are not. Streams, timers, clustering, memory, async error handling: pull on any...

Martin 5 days ago

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DEV Community · Technology

A FinOps MCP Server: What Your AI Assistant Can Ask About Your Cloud Bill, and What It Can Never Change

Quick Answer (TL;DR) An MCP (Model Context Protocol) server for FinOps gives your AI assistant (Claude, Cursor, and other MCP clients) tools to query real cloud cost data, so "what's costing us money this month" gets answered from the bill instead of from the model's imagination. The desi...

Muskan _zop 5 days ago

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DEV Community · Technology

Hey DEV! I'm Stefan — TYPO3 dev, and I just launched a page of free browser tools

Hey, I'm Stefan I'm a freelance web designer & developer based in Klagenfurt, Austria — though these days most of my work happens for clients well beyond Austria's borders. My focus is TYPO3: building and maintaining sites end-to-end, from branding and visual identity through to a finished, wor...

stefan andres 5 days ago

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DEV Community · Technology

C++ Tool That Extracts Text From Scrolling Screen Recordings

Palimpsest: I Built a C++ Tool That Extracts Text From Scrolling Screen Recordings (94% Accuracy, 323 FPS on a Laptop) Most of the code was AI-generated from a detailed architecture prompt. I designed the pipeline, the AI wrote the C++. Here's what we built. I had a problem. My dad ta...

Plexescor (Abhijot Singh) 5 days ago

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DEV Community · Technology

6 Pitfalls of Building a Multilingual Site with Next.js 15: From Query Strings to URL Paths

I built a 150+ tool website with Next.js 15 on Cloudflare Pages (utlkit.com). Half the traffic was from China, half from elsewhere. Time to add i18n. I thought it would take a day. It took four, and I rewrote the approach three times. Why is i18n Harder Than You Think? A 100+ page tool...

Mark 5 days ago

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DEV Community · Technology

Designing Intelligence: From Ad-Hoc Prompts to Enterprise AI Skills

Intro: The pattern now as part of agentic design is, we are witnessing a shift from treating Large Language Models purely as conversational interfaces to integrating them as governed architectural components. For developers using platforms like Microsoft Copilot Studio, understanding the transition...

Bala Madhusoodhanan 5 days ago

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DEV Community · Technology

I Built 16 Browser-Based Developer Tools That Never Upload Your Data.

I Built 16 Browser-Based Developer Tools That Never Upload Your Data As a developer, I often find myself needing a quick tool for something small: Format some JSON Decode a JWT Encode a string with Base64 Generate a UUID Convert JSON to CSV Convert JSON to YAML Encode or decode a URL Minify...

Vishal Tripathi 5 days ago

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DEV Community · Technology

What Broke When We Turned Government Open Data Into Agent-Callable Evidence

Government open data looks deceptively easy from a distance. Find an endpoint. Make a request. Normalize the JSON. Ship an API. That is enough for a demo. It is not enough for a production system that has to answer a consequential question next month, after the publisher changes a field, caps a re...

Bryan Williams 5 days ago

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DEV Community · Technology

Next.js: Is Pushing Web Performance Toward "Instant" Navigation Without Giving Up Server Components

Next.js 16.3 introduced a broader Instant Navigations architecture designed to make transitions feel closer to a client-side SPA while preserving the benefits of React Server Components. The framework uses techniques including reusable route shells, caching, streaming, and partial prefetching to red...

Ashutosh Maurya 5 days ago

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DEV Community · Technology

OpenAI Just Paused Its Own Model for Being Too Good at Finding Zero-Days. Read That Again.

The AI story this week that should stop you mid-scroll is not another benchmark or price cut. It is that OpenAI reportedly paused internal development of its Astra model after evaluations found it might be capable of developing zero-day exploits on its own, the first model to trip the "Critical" cyb...

Muskan Bandta 5 days ago

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DEV Community · Technology

ChatGPT and Gemini Both Crossed a Billion Users. The Infrastructure Story Is the One Nobody's Telling

The headline this week is the round number: ChatGPT reportedly crossed a billion weekly users, Gemini is in the same territory within weeks of it, and ChatGPT got there faster than any consumer product in history, under four years for something that took Facebook eight. Everyone is writing about the...

Muskan Bandta 5 days ago

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DEV Community · Technology

Publicly Accessible RDS and Unrestricted Security Groups: The Cost Side of Risky Cloud Config

Security findings and cost findings are usually filed by different teams into different tools, and treated as different kinds of problem. But a specific set of configurations sits squarely in both piles: a database open to the internet, a security group accepting traffic from anywhere, an IAM role w...

Muskan _zop 5 days ago

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DEV Community · Technology

Vibe Coding in the New Era: How to Build Real Applications with AI

Vibe coding has changed how developers build software. You can describe a feature to an AI coding assistant and get working code in minutes. That is incredibly powerful. But there is a problem: Generating code is easy. Building a scalable application is not. For serious projects, I don't think t...

Darun Karas Abir 5 days ago

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DEV Community · Technology

Beyond the Basics: What I learned from a Deep-Dive EDA on the Ames Housing Dataset

Hey everyone! As I’m working through my ML fundamentals, I wanted to share a deep-dive Exploratory Data Analysis (EDA) I just completed on the classic Ames, Iowa Housing Dataset. If you are unfamiliar, the Ames dataset is basically the "final boss" version of the Boston Housing dataset. It has 2,9...

Deepak Doriya 5 days ago

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DEV Community · Technology

The Software Craftsman’s Day One: Why My First Week of Startup Life Had No Business Logic

Being made redundant from a position where I defined patterns and practices for a high-performance team, I decided to take the leap to create my own startup. As I write now, this has felt like a violent acceleration of the clock. One day you feel the safety of an established enterprise; the next, th...

Brett Ryan 5 days ago

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DEV Community · Technology

How to Build Bulletproof AI Agents with Autonomous Multi-Model Fallbacks

Single-model agent pipelines are fragile. When your LLM provider encounters latency spikes or schema drift, your entire business workflow stalls. Here is how to design an enterprise-grade agent with automated failover in Python. The Problem with Naive Agent Loops Most LangChain or basi...

Osama 5 days ago

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DEV Community · Technology

What will happen if Cloud database becomes too expensive ???

For most of the last fifteen years, "move it to the cloud" was the answer to almost every data infrastructure question. Storage was cheap, compute was elastic, and nobody had to rack a server again. But for the past 18 months, a lot has happened to the data world — and the bills caught up with them....

KingUSD 5 days ago

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DEV Community · Technology

I built a full image editor that never uploads your photo — here's how the on-device AI parts actually work

Most background-removal and object-removal tools online work the same way: you upload an image, a server runs a model on it, you download the result. Convenient, but your photo left your device and you have no idea what happened to that copy afterward. I wanted to see how far I could push the "ever...

Akhouri Anmol Kumar 5 days ago

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DEV Community · Technology

The Translate Button Is Declarative; the Community Workflow Is Not

A translation button can make multilingual community chat look solved. The user clicks, translated text appears, and the implementation seems almost too easy to count as serious engineering. Then production asks the less photogenic questions: What if the message is deleted while translation is ru...

LunarDrift 5 days ago

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DEV Community · Technology

I Found a P0 Auth Bypass by Testing What null Does to BCrypt

While building SCIP — a supply chain platform with 90+ Spring Boot REST endpoints — I was boundary-testing the auth flow when I noticed something that shouldn't have been possible. java BCrypt.matches(null, hash) This was returning true. Not for a specific hash. Not under some obscure edge case....

Kumar Swamy 5 days ago

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DEV Community · Technology

False Green: My Incident Agent Said “Healthy” Without Live Evidence

This is a submission for DEV's Summer Bug Smash: Clear the Lineup powered by Sentry. The pipeline was healthy. At least, that was what my incident agent told me. There was one problem: it could not see the live Fivetran pipeline. The live check had failed, so the app fell back to cached evidence...

Michael Neang 5 days ago

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DEV Community · Technology

Using Your Claude Subscription in Pi Agent — At Your Own Risk

If you use Pi and you're willing to gamble your Anthropic account on it, here you go: https://github.com/spksoft/pi-sub-anthropic That sentence is not a joke, and I'd rather lead with it than bury it. How I got here I watched Mario Zechner's talk, Building pi in a World of Slop, and ca...

Sippakorn Raksakiart 5 days ago

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