---
title: "Slides: MCP Apps: Primitives, discovery, and the Future of Software - Pietro Zullo, Manufact, Inc"
category: "slides"
video_id: "sAOBXCDiDOs"
sourceLabels: ["Public YouTube video frames", "Public YouTube metadata"]
---

# Slides: MCP Apps: Primitives, discovery, and the Future of Software - Pietro Zullo, Manufact, Inc

## Source Video
[MCP Apps: Primitives, discovery, and the Future of Software - Pietro Zullo, Manufact, Inc](https://www.youtube.com/watch?v=sAOBXCDiDOs)

## Relationship To World's Fair 2026
These slides are extracted from a public AI Engineer YouTube video connected to World's Fair 2026. Speaker-matched clips are supporting context unless later confirmed as exact session recordings; official livestream recordings are day-level/event-level source material.

## Related Scheduled Sessions
- No individual scheduled session mapping has been assigned yet; treat this as an event livestream deck.

## Extracted Slides
![[assets/slides/sAOBXCDiDOs/slide-001.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-001.html)
- AI slide classifier: `title_card` confidence `0.99`
- Text source: agent_vision.

Slide text:

> Primitives, discovery, and why this is how all software will be used

![[assets/slides/sAOBXCDiDOs/slide-002.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-002.html)
- AI slide classifier: `title_card` confidence `0.99`
- Text source: agent_vision.

Slide text:

> You know MCP. Do you know MCP Apps?

![[assets/slides/sAOBXCDiDOs/slide-003.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-003.html)
- AI slide classifier: `content_slide` confidence `0.97`
- Text source: advanced OCR `rapidocr-live/border-trim/contrast`.
- OCR decision: ready — Diagram/product slide with multiple small labels and embedded screenshots; OCR will likely capture them more reliably than manual transcription.

Slide text:

> Manufact WHATWEBUILD
> Open-source SDKs and dev tools for MCP
> mcp-use to build Inspector to test Manufact to ship
> 8M+ OOWNLOADS lOk Githu& Stars GITHUB.
> MANUFACT.COM

![[assets/slides/sAOBXCDiDOs/slide-004.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-004.html)
- AI slide classifier: `content_slide` confidence `0.98`
- Text source: advanced OCR `rapidocr-live/border-trim/opencv-adaptive`.
- OCR decision: ready — Chart slide with small axis labels and source text; OCR is useful for accurate capture.

Slide text:

> Manufact ADOPTION
> Apps are landing in the stores, fast
> ChatGPT apps & Claude connectors over time CUHULATIVE COUNT
> 800
> 660
> 200 18 2000000I
> W4. W& R. wo w3 WH w5 w6 W7?
> [ ChatGpT opp Cord+ corrtcton
> SOurCE: AppdiSCoveraeIlity.CoH
> MANUPACT.COn

![[assets/slides/sAOBXCDiDOs/slide-005.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-005.html)
- AI slide classifier: `content_slide` confidence `0.98`
- Text source: advanced OCR `rapidocr-live/bright-screen/opencv-adaptive`.
- OCR decision: ready — Architecture diagram with several small labels and explanatory text; OCR should recover the relationships and labels well.

Slide text:

> Manufact ARCHITECTURE
> How anMCP Appworks
> rtoorr, cobg tooa. Model comersat icn ChatGeT:Covde·Curror Host resources/resd tools/t+ll -. looly+vijlreources MCP srvr
> ui/+ over posthessage
> Widgrt
> +woy, prroapuos
> The server cxposes the Ul as a ui: / /resourc+. The host rondors lt ln a sardboxed iframe and
> relays tool input, resuits, and the widget's cals bock over JSON.RPC.
> HAHUFACT:COn jinn

![[assets/slides/sAOBXCDiDOs/slide-006.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-006.html)
- AI slide classifier: `content_slide` confidence `0.97`
- Text source: agent_vision.

Slide text:

> Rendered by the host, inline

![[assets/slides/sAOBXCDiDOs/slide-007.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-007.html)
- AI slide classifier: `title_card` confidence `0.99`
- Text source: agent_vision.

Slide text:

> Interaction primitives
> The ui/* methods the widget and host exchange.

![[assets/slides/sAOBXCDiDOs/slide-008.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-008.html)
- AI slide classifier: `content_slide` confidence `0.98`
- Text source: advanced OCR `rapidocr-live/bright-screen/contrast`.
- OCR decision: ready — Contains code and embedded UI text that are better handled by OCR.

Slide text:

> Manufact PRINITIVE2
> ui/message
> The App talks back into the conversation,
> unprompted. A click in the Ul posts a
> message as if the user sent it.
> 5129Ugn
> Chndstrise2
> const(sendFollowUpMessage)=usewidget（); sendFollowUpMessage("Add the Teapo Racer"); TerrpoRocee
> Oifyuyp
> Repy
> MANUFACT.COM

![[assets/slides/sAOBXCDiDOs/slide-013.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-013.html)
- AI slide classifier: `content_slide` confidence `0.98`
- Text source: agent_vision.

Slide text:

> Real MCP apps, in production

![[assets/slides/sAOBXCDiDOs/slide-014.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-014.html)
- AI slide classifier: `content_slide` confidence `0.98`
- Text source: agent_vision.

Slide text:

> Real MCP apps, in production

![[assets/slides/sAOBXCDiDOs/slide-015.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-015.html)
- AI slide classifier: `title_card` confidence `0.99`
- Text source: agent_vision.

Slide text:

> PART 3
> Distribution and discovery
> A front door to your product that did not exist a year ago.

![[assets/slides/sAOBXCDiDOs/slide-016.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-016.html)
- AI slide classifier: `content_slide` confidence `0.99`
- Text source: agent_vision.

Slide text:

> The store is a new distribution channel
> Getting listed makes installing your server one click. The alternative is pasting JSON into a config file, which most people never will.

![[assets/slides/sAOBXCDiDOs/slide-017.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-017.html)
- AI slide classifier: `content_slide` confidence `0.99`
- Text source: agent_vision.

Slide text:

> Be there, or get bypassed
> Any product used by humans through a UI will need an MCP App version, or it gets bypassed by people who do everything through agents.

![[assets/slides/sAOBXCDiDOs/slide-018.jpg]]

- Recreated text/layout view: [open HTML recreation](/assets/slide-recreations/slides/sAOBXCDiDOs/slide-018.html)
- AI slide classifier: `title_card` confidence `0.99`
- Text source: agent_vision.

Slide text:

> Nobody wants to look at your dashboard.
> Ship an MCP App.


### Hidden Non-Slide Evidence
- [`slide-009.jpg`](/assets/slides/sAOBXCDiDOs/slide-009.jpg) — `demo_video` confidence `0.98`; Full-screen app/demo footage, not a presentation slide.
- [`slide-010.jpg`](/assets/slides/sAOBXCDiDOs/slide-010.jpg) — `demo_video` confidence `0.98`; Full-screen app/demo footage, not a presentation slide.
- [`slide-011.jpg`](/assets/slides/sAOBXCDiDOs/slide-011.jpg) — `demo_video` confidence `0.97`; Full-screen app/demo footage, not a presentation slide.
- [`slide-012.jpg`](/assets/slides/sAOBXCDiDOs/slide-012.jpg) — `blank` confidence `0.95`; Mostly blank cropped demo frame with only partial UI text.

Classification audit: `raw/sources/slide-ai-classification/slides/sAOBXCDiDOs/audit.json`

## Slide-Derived Subjects To Review
Subject extraction uses video title, related session titles/descriptions, transcript context, and OCR text when available. OCR is best-effort and should be reviewed against the embedded slide images.