📰 Dev.to · Aj

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All Articles 75,238 Blog Posts 102,146 Tech Tutorials 18,408 Research Papers 16,003 News 13,140 ⚡ AI Lessons

What is an MCP server? The developer's plain-English guide to Model Context Protocol

MCP stands for Model Context Protocol. An MCP server is a lightweight process that exposes tools,...

Anthropic just admitted Claude Code broke. Here's exactly what happened, what they fixed, and what it means for your workflows.

For the past several weeks, engineers using Claude Code have been filing complaints. Responses felt...

Dev.to · Aj 1mo ago

Stanford's 2026 AI Index just dropped. Junior developer employment is down 20%. Here's what the data actually says.

The Stanford Institute for Human-Centered AI released its 2026 AI Index today. It is the most...

Dev.to · Aj 1mo ago

Claude Opus 4.7 is on Bedrock. Amazon just bet $25 billion it's the future. Here's what engineers need to know.

Two things happened this week that belong in the same sentence. On April 16, AWS added Claude Opus...

Dev.to · Aj 1mo ago

The YOLO Attack: how hackers are hijacking AI agents by flipping one switch

There is a mode in AI coding agents called YOLO mode. The name was coined by security researcher...

Dev.to · Aj 1mo ago

DevOps jobs in 2026: roles, salaries, and how to actually get hired

DevOps engineer is one of the most in-demand roles in tech right now. Job boards have thousands of...

Dev.to · Aj ⚡ AI Lesson 1mo ago

AWS cloud security: the complete guide for 2026 (IAM, VPC, KMS, GuardDuty)

AWS cloud security is not a single feature you turn on. It is a set of overlapping controls —...

Dev.to · Aj 1mo ago

AWS EBS explained: volume types, snapshots, and when NOT to use it

Most AWS tutorials treat EBS like it's just a cloud hard drive you attach to EC2. Plug it in, store...

Dev.to · Aj 1mo ago

I built an MCP server on AWS Bedrock in 30 minutes. Here's the exact code.

MCP (Model Context Protocol) is the most important AI infrastructure pattern of 2026. Anthropic built...

Dev.to · Aj 1mo ago

Claude Code Power User Guide: /ghost, OODA, L99, KAIROS and Every Hidden Feature From the Source Code Leak

The complete breakdown of Claude Code's secret commands, prompt frameworks, and hidden features revealed by the March 2026 npm source code leak. Tested on Opus

Dev.to · Aj 2mo ago

Why creating an AWS account is harder than it should be — especially in India

You decided to learn AWS. You went to aws.amazon.com, clicked "Create a Free Account," and ran...

Dev.to · Aj 2mo ago

Cloud engineer in 2026: the honest roadmap that actually gets you hired

Most cloud engineer roadmaps give you a list of services to learn and certifications to...

Dev.to · Aj 2mo ago

AWS Bedrock in 2026: what it actually is and how to build your first AI agent on it

Most AWS Bedrock content is either marketing copy or academic papers. Neither is useful if you're...

Dev.to · Aj 2mo ago

Why your RAG system fails in production — and the agentic loop fix

Your RAG demo worked perfectly. Then real users arrived and it started giving confidently wrong...

Dev.to · Aj 2mo ago

The coordinator-subagent pattern: the foundation every Claude multi-agent system is built on

Agent Teams landed in Claude Opus 4.6. Everyone's excited. But before you touch experimental...

Dev.to · Aj 2mo ago

Claude's agentic loop explained: stopReason, tool_use, and the pattern behind every AI agent

If you've tried building an AI agent with Claude and Bedrock, you've hit stopReason. Maybe you...

Dev.to · Aj 2mo ago

I Passed the AWS Certification. Here's Why I Still Couldn't Get Hired.

AWS certifications alone won't land you a cloud job in 2026. Here's what hiring managers actually look for — and how to prove you can do the work.

Dev.to · Aj 1y ago

Any Country's capital finder in Python

Hello Everyone! I'm going to show you how to create an app running on Flask python webframework that...