Recommended use  What to Use When 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)