Lessons

27 lessons on building software with Claude Code, Codex, Cursor, and Lovable, newest course first. 5 of them are free.

  1. Intro to AI coding

    Sep 2, 2026Free

    What AI coding means in practice, and a look at the Reddit clone you'll have running by the end of the course.

    Lesson 1 of 13 in Zero to Reddit

  2. The main tools: Codex, Claude Code, and Cursor

    Sep 2, 2026Free

    The three tools used in the course, what each one is good at, and which one to open first.

    Lesson 2 of 13 in Zero to Reddit

  3. Avoid overwhelm, remain curious

    Sep 2, 2026Members

    A new tool comes out every week. How to keep an eye on them without stopping your build to try each one.

    Lesson 3 of 13 in Zero to Reddit

  4. Codex UI tour

    Sep 2, 2026Members

    A quick walk around the Codex app so you know where your projects and conversations live before you start.

    Lesson 4 of 13 in Zero to Reddit

  5. Models, reasoning, speed, and usage limits

    Sep 2, 2026Members

    Which model to pick, when to turn reasoning up, and how the usage limits work.

    Lesson 5 of 13 in Zero to Reddit

  6. Project folder and the personalization prompt

    Sep 2, 2026Members

    Where the project lives, and the short prompt that tells the AI who you are and how you like to work.

    Lesson 7 of 13 in Zero to Reddit

  7. Our first real message

    Sep 2, 2026Members

    The first message that starts the build, and what to look for in the reply.

    Lesson 8 of 13 in Zero to Reddit

  8. Connecting GitHub, Vercel, and Supabase using plan mode

    Sep 2, 2026Members

    Use plan mode to put the app on GitHub, host it on Vercel, and connect it to Supabase.

    Lesson 9 of 13 in Zero to Reddit

  9. Building the database

    Sep 2, 2026Members

    Design the tables a Reddit clone needs (posts, comments, votes) and have the AI create them in Supabase.

    Lesson 10 of 13 in Zero to Reddit

  10. Planning authentication

    Sep 2, 2026Members

    Plan sign-up and login with the AI before it writes any code.

    Lesson 11 of 13 in Zero to Reddit

  11. Start the server, verify authentication

    Sep 2, 2026Members

    Run the app on your machine, create an account, and check that login works before building anything on top of it.

    Lesson 12 of 13 in Zero to Reddit

  12. Goal loops and master images for a production-quality app

    Sep 2, 2026Members

    Give the AI a goal and a reference screenshot, then let it keep going until the result matches.

    Lesson 13 of 13 in Zero to Reddit