Scenario

When to use

Highest transparency

ReAct + logs

Fastest cheap execution

Small model routing

Complex workflows

Multi-agent workflow / task graph

Safety critical

Verifier + human gate

Large enterprise memory

Graph + Vector memory

Heavy integrations

MCP tool ecosystem

Packaged reusable know-how

Skills layer (New)

High trust requirements

Policy-first architecture

Corpus fits in context window

Load-and-ask, skip the retrieval pipeline (New)