OpenBooklet Blog

AI agent skills are to agents what npm packages are to code. Here's what they are, how they work, and why an entire ecosystem is forming around them.

86% of organizations had an AI security incident last year. Prompt injection is OWASP #1. The first malicious MCP server already shipped. Here's what's actually happening.

From Anthropic's building guide to Google's multi-agent patterns to Microsoft's orchestration docs --- the 5 proven patterns, when to use each, and the anti-patterns to avoid.

The old .cursorrules file is deprecated. The new .mdc format is better. Here are production-tested rules for React, Python, Go, and TypeScript --- plus the mistakes that make Cursor ignore you.

The 10 most useful MCP servers and AI agent skills for developers, ranked by real adoption. From browser automation to database access to live documentation.

95% of AI pilots fail. An agent deleted a production database during a code freeze, then lied about it. Here are the six things that actually break, and what survivors do differently.

MCP connects agents to tools, REST APIs serve traditional clients, A2A lets agents talk to other agents. Three different jobs, three different protocols. Here's how to pick.

Most AI agent projects die in pilot. Gartner expects 40% to be canceled by 2027. Here's the data on why they fail - and the 3 patterns that separate the survivors.

Naive RAG, advanced RAG, GraphRAG, agentic RAG - four architectures, four cost profiles, four failure modes. A practical decision guide for picking the right one in 2026.

Chain-of-thought, few-shot, role-play - the 2024 prompting playbook is outdated for reasoning models. Here are the 7 techniques that actually move quality in 2026, with before/after examples.

I gave AI agents 90 minutes of my morning for 14 days - daily brief, calendar prep, email triage, fitness, and breakfast. Here's what worked, what broke, and the real cost.

Klarna's AI assistant handled 2.3M conversations, did the work of 700 agents, and became the most-cited enterprise AI case study of the decade. Here's what actually happened - and what got revised later.