A2UI Protocol <span class="version-badge stable">v0.8 — Stable</span>

Version 0.8 is the current stable release, recommended for production use.

ℹ️ Living Document

This specification is automatically included from specification/v0_8/docs/a2ui_protocol.md. Any updates to the specification will automatically appear here.

See also:

• v0.9 Protocol Specification (Draft)
• Evolution Guide: v0.8 → v0.9
• A2A Extension Specification (for v0.8)

---

--8<-- "specification/v0_8/docs/a2ui_protocol.md"