---
title: "Closing Keynote: Garry Tan"
category: "talks"
date: "2026-07-01"
time: "4:50pm-5:10pm"
track: "Main Stage"
room: "Main Stage"
speakers: ["Garry Tan"]
sourceLabels: ["Official conference schedule", "Public YouTube metadata"]
scheduleTrack: "Main Stage"
scheduleRoom: "Main Stage"
scheduleLabels: ["Main Stage", "Main Stage", "keynote", "confirmed"]
---
# Closing Keynote: Garry Tan

## Conference Context
- Date/time: 2026-07-01 · 4:50pm-5:10pm
- Track/room: Main Stage · Main Stage
- Speaker(s): Garry Tan
- Session type/status: keynote · confirmed

- Track: Main Stage
- Room: Main Stage
- Session type: keynote
- Status: confirmed

## Session Description
No official description published in the schedule data.

## Media Evidence
No related AI Engineer channel video found yet.

- [[youtube-I2cbIws9j10-transcript]] — full cached transcript markdown for the related YouTube source.

- Source video: `youtube-I2cbIws9j10`
- Slide deck: [[youtube-I2cbIws9j10-dense-slides|Dense Slides: WF26: Harness Engineering & Startup Battlefield ft. Garry Tan, Mike Krieger, @t3dotgg , DSPy]] — 11 visible slide image(s); 11 HTML recreation(s).
![[assets/dense-slides/I2cbIws9j10/slide-001.jpg]]
![[assets/dense-slides/I2cbIws9j10/slide-002.jpg]]
![[assets/dense-slides/I2cbIws9j10/slide-003.jpg]]
- Additional slide evidence: [[youtube-I2cbIws9j10-slides|Slides: WF26: Harness Engineering & Startup Battlefield ft. Garry Tan, Mike Krieger, @t3dotgg , DSPy]]
- Slide-derived themes for `youtube-I2cbIws9j10`: context, window, selects, response, facts, retry, coerce, rollback.

## 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-I2cbIws9j10` — 91,792 transcript words; 7 slide-derived text signals
- Transcript signals for `youtube-I2cbIws9j10`: code, model, back, system, well, first, today, even.
- Slide-derived themes for `youtube-I2cbIws9j10`: context, window, selects, response, facts, retry, coerce, rollback.
- Evidence links for `youtube-I2cbIws9j10`: [[youtube-I2cbIws9j10]], [[youtube-I2cbIws9j10-transcript]], [[youtube-I2cbIws9j10-slides]], [[youtube-I2cbIws9j10-dense-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
No official session recording transcript was found by exact title match on the AI Engineer YouTube channel during this run.

## People
- [[garry-tan]]

## Livestream Segment
- [Watch in livestream at 07:57:20](https://www.youtube.com/watch?v=I2cbIws9j10&t=28640s) — WF26: Harness Engineering & Startup Battlefield (Day 3).
- Match basis: speaker and title; timed captions matched Garry Tan, garry.
- Confidence: high automated match; prefer a dedicated cut-video recording when one exists.

## Attendance Visibility
No high-confidence attendance icon signal is shown for this talk. The sampled video evidence was either low confidence, source-proxy-only, or did not expose a clear audience view.

## Synthesis
### Synthesized Breakdown
Mhm. Mhm. Mhm. Ladies and gentlemen, welcome to the AI Engineer World's Fair.

### Speaker And Company Context
- [[garry-tan|Garry Tan]] — President & CEO at [[y-combinator|Y Combinator]].

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

### Derived Links And Source Material
- [[youtube-I2cbIws9j10-transcript]] — transcript markdown; source cache `raw/sources/youtube-livestream-transcripts/I2cbIws9j10.txt` (91,792 words).
- [[youtube-I2cbIws9j10]] — related YouTube source page.
- [[youtube-I2cbIws9j10-slides]] — slide evidence.
- [[youtube-I2cbIws9j10-dense-slides]] — slide evidence.

### Novel Concepts / Clever Methods
- [[agent-ready-accessibility|Agent-Ready Accessibility]] — Designing for agents and designing for accessibility converge around explicit structure, reachable controls, and understandable state.

### 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.