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Vladislav Guzey

Vladislav Guzey / proflead

Hi, I’m
Vladislav.

Developer · PhD researcher · Codex Ambassador

I build AI tools, research agentic systems, and help developers learn by building together.

Explore my work A little about me
WritingRead / understandToolsExplore / buildResearchCollect / connectAgentsDiscover / use
Human readable. Agent accessible.
CODE I BUILD / IDEAS I EXPLORE / LESSONS I SHAREExplore my work

01 / Field notes

From idea to understanding.

All articles

  1. Codex Cloud Tutorial: Setup, GitHub & Your First PR

    Learn Codex Cloud step by step: connect GitHub, publish an environment, fix a bug, review tests, and open a PR. Includes pricing and limitations.

  2. Connect ChatGPT Dots to Your Computer and Run Codex

    Connect your ChatGPT Dot to your computer and start a local Codex task. Follow the screenshots or watch the video walkthrough.

  3. GPT-6 Astra in Codex: 7 Ways to Improve Prompts, Skills, and AGENTS.md

    Seven practical ways to improve GPT-6 Astra instructions in Codex, with prompt examples, focused skills, AGENTS.md guidance, and a reusable audit prompt.

02 / Selected work

Built to be useful.

All tools

Web application / Finance

Salary After Tax

Understand your take-home pay. Compare estimates across 20 countries.

TypeScript / Tax models / Interactive globe

Obsidian plugin / Research

Researcher Library

Bring papers, books, and research notes into your Obsidian workspace.

Knowledge management / Connected notes
Developers building together during OpenAI Build Week in Chiang Mai

03 / Beyond the screen

I learn by
building together.

I host free Codex community meetups, including hands-on sessions at CMU, where like-minded people share ideas and learn by building together.

These are community-led events, not official OpenAI events.

Meet the community

On YouTube / @proflead

Watch what
I’m building.

AI tools, coding workflows, and hands-on tutorials. Follow along with my projects on YouTube.

Visit my channel Browse all videos