TOOLS, AGENTS & ORCHESTRATION • 179 / 397
Move from a model that talks to a system that can inspect and act.
Fan-In
Fan-in combines outputs from multiple parallel branches into one next step.
Think of it like
Think of Fan-In like a coworker with access to a toolbox and a checklist: capability matters, but control and state matter just as much.
Real life
Assistants that book travel, search files or update tickets use concepts such as Fan-In.
SRE lens
A reviewer merges specialist findings into one evidence summary.
Remember thisFan-in combines outputs from multiple parallel branches into one next step.