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Codex creates a reviewed Harness Engineering deck

Huang reports Codex researching and producing an editable Harness Engineering presentation, reviewing slide screenshots and revising both text and visual choices.

Source published newtype.proAgent: Codex
OUR ADAPTATION

Suggested prompt

Suggested prompt written by Agents In Use, not the source author. Replace bracketed inputs and review tool permissions first.

Research [topic] and draft numbered slide text for my approval. After revisions, build an editable PPTX using [style references]. Render every slide, inspect layout and readability, and show the final artifact for my content review.

Evidence at a glance

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Reported result
Huang reports Codex researching and producing an editable Harness Engineering presentation, reviewing slide screenshots and revising both text and visual choices.
Human involvement
Huang reviews wording and visuals, identifies overfull slides and requests specific cover, font and style revisions.

A linked account supports attribution. It does not mean we independently reproduced its result.

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How the agent did it

  1. Give Codex the Harness Engineering topic and Presentations skill.
  2. Let it research, structure and generate the initial editable deck.
  3. Inspect screenshots and request cover, font and style changes.

Huang Yihe documents a Codex desktop experiment creating a presentation about Harness Engineering with the Presentations skill. Codex read the skill instructions, developed a narrative, researched the topic and generated slides. The author reports an initial run of about eight minutes, including screenshots of every slide and two quality-check rounds.

The author then requested a cover slide, Alibaba PuHuiTi typography and a minimalist technology style. The completed output was an editable PowerPoint, with text boxes and other elements available for later changes. A second run separated slide wording from visual production: Codex listed the text as numbered pages for approval before using the presentation skill.

That text review caught an unnecessary cover subtitle and too much text on slides two and three. Huang revised wording before production and describes supplying two manually prepared slides as style references in regular work. The useful detail is that content approval and screenshot inspection address different failure modes: a deck can have valid code but poor rendering, or attractive slides with weak wording. The account reports successful revisions in a firsthand demonstration, not a benchmark of factual correctness. The original publication was in May; the English translation appeared in October and should not replace the source's original date.

Prompt
Suggested prompt (written by Agents In Use, not the author's)

Source: Blog · 黄益贺 (Huang Yihe), newtype

Frequently asked questions

What was editable in the result?

The author reports a PowerPoint with editable text boxes and other elements, rather than flattened slide images alone.

What did text-first review catch?

An unnecessary title-slide subtitle and excessive text on slides two and three were corrected before visual production.

Which date belongs to the original account?

The page states original publication on May 17, 2026; October 7 is the English translation date.

More details

Remaining steps

  1. On a staged run, approve numbered slide text before visual production.
  2. Use sample slides and review the final rendered presentation.

About this account

Codex researches the topic, creates slide artifacts, renders screenshots and revises the deck through a staged approval process.

Firsthand account by 黄益贺 (Huang Yihe), newtype; original publication date verified against Page explicitly states Originally published May 17, 2026; English translation October 7, 2026. Outcomes are the author’s reports, not independently reproduced. Suggested prompt written by Agents In Use; not the author’s original prompt.

Credit: 黄益贺 (Huang Yihe), newtype

Source published

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Tools and topics

Codex desktop · Presentations skill · PowerPoint · Slide screenshots

Harness Engineering deck · Text approval · Visual checks

Editorial completeness: 100/100. Measures documented fields, not agent performance or verified outcomes.