ShellBuddy's pixel-art turtle mascot 🐢 Now in private beta

From ChatGPT user to running your own local AI
— learning the terminal as you go.

ShellBuddy is a free, calm course-in-an-app. You'll learn the command line hands-on in a safe, simulated sandbox, get a real AI model running on your own Mac with Ollama, and build a simple agent yourself — a genuinely useful skill you keep. It's in private beta right now — join the waitlist and we'll email you an invite.

Join the waitlist See the journey

Already have an invite? Open ShellBuddy →

Free Private beta Works offline Made for Mac

One journey, two parts

Short lessons that mix reading, quizzes, and hands-on terminal tasks. Finish one to unlock the next.

Part 1

Get a local LLM running

  • M0 Before we start — cloud vs. local AI, honestly
  • M1 First steps — pwd, ls, cd: orientation without fear
  • M2 Files & folders — make, read, and delete things safely
  • M3 Your safe playground — a sandbox folder, git as undo
  • M4 Power tools — pipes, grep, wildcards, redirection
  • M5 AI at the command line — Ollama, your first local model

Payoff: a real AI model, running on your own Mac.

Part 2

Build your own agent

  • M6 Shell scripting — variables, conditionals, loops, .sh files
  • M7 Building agents — the observe → think → act loop

Payoff: a working file-organizer agent you wrote yourself — and understand line by line.

Built to make it click

>_ Safe sandbox terminal

Fully simulated — 35 commands, nothing executes for real. Even rm -rf / just gets calmly explained. Mistakes are how you learn, so we made them free.

?! Companion decoder

Found a scary command on the internet? Paste it in. You get a piece-by-piece plain-English breakdown and a safety rating — before you run anything.

▤ Model Picker

Tell it your Mac's chip and RAM, and it recommends local models that actually fit — with honest notes on what small models can and can't do.

↻ Review that sticks

Every lesson seeds spaced-repetition cards that resurface right before you'd forget. XP and streaks keep you moving; the cards make it permanent.

Why local AI — and when not

We don't overhype. Local models are a different tool, not a free upgrade.

Local wins when you want

  • Privacy — your prompts and files never leave your Mac.
  • Cost — download once, run forever. No subscription meter.
  • Offline — works on a plane, in a dead spot, during an outage.
  • Understanding — you see how the pieces fit, which is the whole point here.

Cloud is still better when

  • You need frontier-level reasoning — small local models are noticeably less capable.
  • Your Mac has limited RAM — big models simply won't fit.
  • You want the latest capabilities the day they ship.

ShellBuddy teaches you both sides, so you can pick the right tool on purpose.

Join the private beta

ShellBuddy is opening up in small waves. Drop your email and we'll send you an invite as spots free up. Free, calm, nothing to break.

Already have an invite? Open ShellBuddy →
Mac-focused (Ollama & Homebrew) — the concepts transfer to Linux and Windows. Native iOS app in the works.