---
title: "MCP Apps - Extending the frontier"
category: "talks"
date: "2026-06-30"
time: "2:25pm-2:45pm"
track: "Context Engineering"
room: "Track 8"
speakers: ["Liad Yosef", "Ido Salomon"]
sourceLabels: ["Official conference schedule", "Public YouTube metadata"]
scheduleTrack: "Context Engineering"
scheduleRoom: "Track 8"
scheduleLabels: ["Context Engineering", "Track 8", "session", "confirmed"]
---
# MCP Apps - Extending the frontier

## Conference Context
- Date/time: 2026-06-30 · 2:25pm-2:45pm
- Track/room: Context Engineering · Track 8
- Speaker(s): Liad Yosef, Ido Salomon
- Session type/status: session · confirmed

- Track: Context Engineering
- Room: Track 8
- Session type: session
- Status: confirmed

## Session Description
AI agents are quickly becoming the new browsers, changing how users consume content and get work done. That shift is increasingly powered by a new generation of agentic apps that don’t just present text but deliver interactive experiences within any MCP host. By standardizing interactive UI on MCP, the MCP Apps official extension (SEP-1865) is poised to become the new agentic app runtime, serving as the backbone of the future and removing adoption obstacles that previously hindered the protocol. Join us to learn more about: The new web - How MCP Apps reshapes the traditional app landscape and transforms the way users interact with the web Deep dive into MCP Apps - - Architecture - Real-world use cases - What's ahead? - Getting started (+community and #mcp-apps-wg) - Future Vision

## Media Evidence
[MCP UI: Extending the frontier — Liad Yosef and Ido Salomon, MCP Apps](https://www.youtube.com/watch?v=o-zkvb0iFDQ) (speaker-match related prior/adjacent AI Engineer video; captions: English auto-captions).

- [[youtube-o-zkvb0iFDQ-transcript]] — full cached transcript markdown for the related YouTube source.

- Source video: `youtube-o-zkvb0iFDQ`
- Slide deck: [[youtube-o-zkvb0iFDQ-dense-slides|Dense Slides: MCP UI: Extending the frontier — Liad Yosef and Ido Salomon, MCP Apps]] — 1 visible slide image(s); 1 HTML recreation(s).
![[assets/dense-slides/o-zkvb0iFDQ/slide-001.jpg]]
- Additional slide evidence: [[youtube-o-zkvb0iFDQ-slides|Slides: MCP UI: Extending the frontier — Liad Yosef and Ido Salomon, MCP Apps]], [[youtube-o-zkvb0iFDQ-reconstructed-slides|Reconstructed Slides: MCP UI: Extending the frontier — Liad Yosef and Ido Salomon, MCP Apps]]
- Slide-derived themes for `youtube-o-zkvb0iFDQ`: engineering, future.

## Evidence Graph
This evidence graph is generated from currently linked source material: official schedule text, related video pages, cached transcripts, visible slide text, dense/reconstructed slide pages, and AI slide-classification audits.

### Media Signals
- `youtube-o-zkvb0iFDQ` — 3,969 transcript words; 1 slide-derived text signals
- Transcript signals for `youtube-o-zkvb0iFDQ`: apps, host, claude, back, chatgpt, look, mcpui, chat.
- Slide-derived themes for `youtube-o-zkvb0iFDQ`: engineering, future.
- Evidence links for `youtube-o-zkvb0iFDQ`: [[youtube-o-zkvb0iFDQ]], [[youtube-o-zkvb0iFDQ-transcript]], [[youtube-o-zkvb0iFDQ-slides]], [[youtube-o-zkvb0iFDQ-dense-slides]], [[youtube-o-zkvb0iFDQ-reconstructed-slides]]

### Agent Reading Notes
Use these signals to refine the synopsis, topic links, people/company context, and method notes. If a source is a related external video rather than an exact official recording, keep it framed as supporting evidence.

## Transcript Status
Related video transcript availability: English auto-captions. The transcript has been fetched and converted to [[youtube-o-zkvb0iFDQ-transcript]]. Treat this as supporting context, not a recording of this exact scheduled session unless later confirmed.

## People
- [[liad-yosef]]
- [[ido-salomon]]

## Notes
- This page now includes source-backed synthesis from the official schedule and the related Liad/Ido MCP UI transcript. Revisit if a confirmed exact recording of this scheduled session is published.

## Supporting Slides
- [[youtube-o-zkvb0iFDQ-slides]] — extracted from the related public AI Engineer video.

## Slide Evidence
- Slide-only cropped deck: [[youtube-o-zkvb0iFDQ-dense-slides]] (1 viable slide images).
- Related slide/OCR pages:
- [[youtube-o-zkvb0iFDQ-dense-slides]]
- [[youtube-o-zkvb0iFDQ-reconstructed-slides]]
- [[youtube-o-zkvb0iFDQ-slides]]
- Slide-derived terms: `future`, `engineering`, `apps`, `alengineer`, `europe`, `engineer`, `aiengineer`, `mcp-ui`, `host`, `braintrust`, `workos`, `openal`, `rene`, `morrow`, `server`, `claude`, `architecture`, `sandbox`

## Synthesis
### Synthesized Breakdown
This talk frames MCP Apps as the interactive application runtime for agentic software. Instead of MCP servers returning only structured tool data or text, MCP Apps lets servers return UI views inside MCP hosts so models get actionable context and humans get usable controls. The session connects MCP UI, the MCP Apps extension, SEP-1865, host integration, real-world use cases, and the move from chat responses toward agentic applications. Its practical method is to separate model-operable data from human-operable interface while keeping both inside the same MCP interaction.

### Speaker And Company Context
- [[liad-yosef|Liad Yosef]] — Co-creator at MCP Apps.
- [[ido-salomon|Ido Salomon]] — Co-Creator at MCP Apps.

### Topics Covered
- [[agent-security]]
- [[agentic-web]]
- [[ai-sandboxes]]
- [[coding-agents]]
- [[mcp]]
- [[mcp-apps]]

### Derived Links And Source Material
- [[youtube-o-zkvb0iFDQ-transcript]] — transcript markdown; source cache `raw/sources/youtube-transcripts/o-zkvb0iFDQ.txt` (3,969 words).
- [[youtube-o-zkvb0iFDQ]] — related YouTube source page.
- [[youtube-o-zkvb0iFDQ-slides]] — slide evidence.
- [[youtube-o-zkvb0iFDQ-reconstructed-slides]] — slide evidence.
- [[youtube-o-zkvb0iFDQ-dense-slides]] — slide evidence.

### Novel Concepts / Clever Methods
- [[mcp-app-runtime|MCP Apps As Agentic App Runtime]] — MCP Apps treats interactive UI returned from MCP servers as a runtime layer for agent-facing software.

### Evidence Boundary
This synthesis uses the official schedule plus cached video transcripts. Official AI Engineer World's Fair San Francisco 2026 livestreams and cut videos are primary event video sources for transcript/slide evidence; external, historical, or speaker-matched videos remain supporting context unless manually verified as exact official event recordings.