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Check Understanding

Check Understanding is an agent skill (a SKILL.md file) from rohitg00/ai-engineering-from-scratch. Phase quiz for AI Engineering from Scratch. It works with Claude Code, Codex and Cursor and has 73,962 GitHub stars across a repository of 9 listed skills. Install it by copying the skill folder into your agent's skills directory.

github.com/rohitg00/ai-engineering-from-scratch/skills/check-understanding (opens in a new tab)

Data as of from the GitHub API and skills.sh; description from the skill's SKILL.md. Report an error

View on GitHub (opens in a new tab)View on skills.sh (opens in a new tab)

Add this skill

Claude

Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):

git clone --depth 1 https://github.com/rohitg00/ai-engineering-from-scratch.git
cp -r ai-engineering-from-scratch/skills/check-understanding ~/.claude/skills/check-understanding   # personal, or .claude/skills in a project

In the Claude apps, zip the check-understanding folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/rohitg00/ai-engineering-from-scratch.git
cp -r ai-engineering-from-scratch/skills/check-understanding .agents/skills/check-understanding   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/rohitg00/ai-engineering-from-scratch.git
cp -r ai-engineering-from-scratch/skills/check-understanding .cursor/skills/check-understanding   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Phase quiz for AI Engineering from Scratch. Trigger with "quiz me", "test phase", "check my understanding", "do I know phase 3", or /check-understanding . Test your knowledge of a completed phase from the AI Engineering from Scratch course.

When it triggers

  • "quiz me"
  • "test phase"
  • "check my understanding"
  • "do I know phase 3"

More skills in rohitg00/ai-engineering-from-scratch

9 skills are listed from this repository.

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FAQ

Check Understanding FAQ

Still curious? Email info@appsgit.com.

How do I install the Check Understanding skill?

Copy the check-understanding folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.

Is the Check Understanding skill free?

Yes. The repository is open source under the MIT license.

Is Check Understanding maintained?

The repository's most recent commit was on Oct 23, 2026. Its latest release is v2026.10.4. appsgit only lists skills from repositories with a commit in the last six months.