FRAMEWORKS & MCP • 191 / 397
Understand the names you will hear when teams build agentic systems.
Node
A node is one executable step in a graph.
Think of it like
Think of Node as infrastructure glue: it does not replace the model, but helps applications connect pieces in a repeatable way.
Real life
Software frameworks such as Node package common patterns so teams do not rebuild everything from scratch.
SRE lens
“Check logs” or “Review evidence” can each be nodes.
Remember thisA node is one executable step in a graph.