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. ...

Most LLM applications start simple: one prompt, one response, ship it. Then requirements grow. The task needs to search the web, then read the results, then decide whether to search again, then synthesize everything. You add more logic. Then you need one agent to write a plan and another to execute it. Suddenly you are managing state, routing decisions, and failure modes across multiple LLM calls, and a simple chain is not the right abstraction anymore. ...