How to Build Your First AI Agent with Claude API: A Step-by-Step Guide Most developers who “build AI agents” are really just calling a chat completion endpoint in a loop. That is not an agent. A real agentic AI system perceives its environment, decides which tools to use, acts on those decisions, and observes the results before deciding what to do next. The Claude API makes this loop surprisingly straightforward to implement. This guide walks you through building one from scratch, in Python, with working code you can run today. ...

Multi-Agent PR Reviews with Claude Code: Stop Relying on a Single AI Pass Code review is the one part of the modern dev workflow that AI tools have only half-solved. You can ask Claude to review a pull request and get useful feedback, but a single-pass review has a fundamental ceiling: one context window, one frame of attention, one pass over the diff. The moment your PR touches security, business logic, and code style simultaneously, something gets missed. ...

How to Build Your First AI Agent with Claude API: Step-by-Step Guide Most developers build their first AI agent the hard way: they wire up a chat loop, bolt on some tools, and watch it spiral into an uncontrollable mess of nested callbacks and race conditions. Building an agentic AI that actually works in production requires a different mental model from day one. This guide walks you through exactly that, using the Claude API, plain Python, and (optionally) LangChain to build something you can deploy and extend. ...