Most developers build agents with tools. That's not enough. Here's the architectural difference between agent tools and agent skills — and why getting this wrong burns tokens, degrades accuracy, and makes your agents brittle in production.
Claude doesn't count messages like ChatGPT — it counts tokens, and one conversation can burn 10x more than another. Here are 5 tricks that cut your token usage by 80% or more.
You built one AI agent and it worked. Then it got slower, started forgetting things, and ended up with access to databases it shouldn't touch. Here's what's actually happening — and four coordination patterns to fix it.
Learn how I wrapped the Hacker News API into a modular, LLM-ready MCP server with Zod contracts and OpenAPI support using zod-openapi.