AI practice — Yuli Du

01Resources

Skills & workbenches

Skill resource / 01

Codex Design Skills

Reusable Codex workflows for brand research, visual identity, Figma context and web design.

Who it is for: Codex users and design teams building repeatable design workflows.
Scope: Brand research, visual identity, Figma context, web layouts, HTML and visual deliverables.
Maintenance: Actively maintained · Reviewed 2026-08-31
License: Apache-2.0 for compilation and adaptation; upstream notices apply

The full prompt to copy

Help me set up Codex Design Skills from the public GitHub repository duxinrui9-gif/codex-design-skills. Read its README, installation instructions, license and source notices first. Check my environment, dependencies and existing same-name installations. Inspect the install script before running it. Use the non-overwriting default installation and run python3 scripts/verify.py. Do not overwrite existing files or expose personal data. Stop on conflicts, permission failures or uncertain sources. Run the repository's documented checks and report installation location, version, results and first-use instructions.

Getting started View & download on GitHub

Skill resource / 02

Neat Freak Codex Skill

Project closure, documentation alignment and handover checks for long-term Codex work.

Who it is for: Codex users maintaining project documents, handovers and workspace boundaries.
Scope: README, architecture, handoff, archives and consistency checks.
Maintenance: Actively maintained · Reviewed 2026-09-02
License: MIT

The full prompt to copy

Help me set up Neat Freak Codex Skill from the public GitHub repository duxinrui9-gif/neat-freak-codex-skill. Read its README, installation instructions, license and source notices first. Check my environment, dependencies and existing same-name installations. Use the Codex Skill installer to install skills/neat-freak only after checking for an existing Skill. Do not overwrite existing files or expose personal data. Stop on conflicts, permission failures or uncertain sources. Run the repository's documented checks and report installation location, version, results and first-use instructions.

Getting started View & download on GitHub

Skill resource / 03

Obsidian Codex Workbench

A public local workbench template connecting Obsidian, project context and Codex collaboration.

Who it is for: People and teams keeping knowledge, long-term projects and AI collaboration within clear boundaries.
Scope: Workbench, project context, knowledge entry points and four reusable Skills.
Maintenance: Actively maintained · Reviewed 2026-09-02
License: MIT

The full prompt to copy

Help me set up Obsidian Codex Workbench from the public GitHub repository duxinrui9-gif/obsidian-codex-workbench. Read its README, installation instructions, license and source notices first. Check my environment, dependencies and existing same-name installations. Check Node and pnpm requirements. Start with an empty test Vault and read-only access. Never copy or commit my personal Vault or private configuration. Keep the local service off public networks. Do not overwrite existing files or expose personal data. Stop on conflicts, permission failures or uncertain sources. Run the repository's documented checks and report installation location, version, results and first-use instructions.

Getting started View & download on GitHub

02Teaching

Courses

Course

Find your “1”, then let AI multiply it

Start with your experience and a real customer problem. Learn how I work with Agents and use nine questions to examine whether an opportunity deserves investment.

Who it is for: People exploring AI-assisted work, services or an early business idea.
Format: 42 Chinese slide images with English notes only where they add to the slide, an interactive demonstration and a recording link.
What you will learn: A personal account and a decision framework, not a promise of income or a proven growth result.

Explore course

Course

AI-assisted web production

A beginner introduction to HTML, single-file pages and maintainable website projects.

Who it is for: Beginners making web materials, courseware or a personal site with AI.
Format: Ten slide images with notes only where they add to the slide, an interactive demonstration and a recording link.
What you will learn: A path from content and format decisions through single-file HTML to maintainable projects.

Explore course

Course

Codex + Obsidian knowledge-work course

A practical method for long-term collaboration, bringing agent boundaries, project documents, Skills and Obsidian together.

Who it is for: Cross-functional teams that need project context, clear responsibilities and reusable knowledge.
Format: Long-form course, workbench demonstration and three practical assignments.
What you will learn: A method for moving from individual tasks to maintainable projects.

Explore course