T5-R5 ecosystem
ReAct: A pattern that writes a reason and takes an action in turns.
Workflows
State machines
Function calling
The same loop can sit behind chat or a voice turn. The channel does not remove the cap.
MCP is one way to plug tools into that loop. It is the next track.
Write the goal in one sentence.
Name the input and the allowed output.
Save the trace next to the result.
The answer looks fluent and is wrong. Check whether a source passage actually contains the claim.
The loop never stops. Set a step cap and stop when the tool result repeats.
Sources and go deeper
- Yao and co-authors, ReAct: Synergizing Reasoning and Acting in Language Models, 2022 paper last checked 2026-10
- Large language model — Wikipedia wikipedia last checked 2026-10