[GDG London] Rich Interfaces With A2UI: The Good, The Bad and The Ugly

Talk presented at AI DevCamp by GDG London (https://aidevcamp.gdg.london/) on September 23, 2026.

Source code: github.com/danicat/aida

1. Rich Interfaces with A2UI: The Good, The Bad and The Ugly Daniela Petruzalek Developer Relations Engineer Google Cloud 2026
2. Who am I? Brazilian 󰎙 living in London 󰏅 since 2019 Specialisation: backend (python & Go), data engineering and agentic AI Hobbies: anime, games e cosplay Blog: danicat.dev LinkedIn: linkedin.com/in/petruzalek Twitter: x.com/danicat83 Google Cloud 02
3. Disclaimer: I am NOT a frontend developer Google Cloud 03
4. Prologue: Building Agents
5. Star Trek TOS "Computer, run a level 1 diagnostic procedure" Google Cloud Star Trek Voyager "Emergency Medical Hologram" 05
6. osquery.io Google Cloud 06
7. Google Cloud danicat.dev 07
8. ADK dev UI Google Cloud 08
9. github.com/sito-sikino/avatar-ui-core Google Cloud 09
10. Google Cloud 010
11. Google Cloud danicat.dev 011
12. Google Cloud 012
13. Agent to User Interface Protocol A2UI
14. a2ui.org Google Cloud 014
15. Google Cloud 015
16. A2UI is transport agnostic with the most common transports being A2A and AG-UI Other possible transports are: - MCP - SSE with JSON RPC - Websockets - REST Google Cloud 016
17. Google Cloud 017
18. Google Cloud 018
19. Google Cloud 019
20. Google Cloud 020
21. github.com/danicat/aida Google Cloud 021
22. Codelab Build Agentic Interfaces with ADK and A2UI Google Cloud 022
23. Build the future builders.google
24. Thank you Blog: danicat.dev LinkedIn: linkedin.com/in/petruzalek Twitter: x.com/danicat83 Github: github.com/danicat 024