For some things its helpful, like have one agent plan changes / get exact file paths, another agent implement changes, another agent review the PR, etc. The con

For some things its helpful, like have one agent plan changes / get exact file paths, another agent implement changes, another agent review the PR, etc. The context window being small is the point I think. Chaining agents lets you break up the work, and also give different agents different toolsets so they aren't all taking a ton of MCPs / Claude Skills into context at once.