Phase 7: Building Your Own AI Tools · 35 min · ChatGPT Plus (Custom GPTs), Claude (Projects), or Gemini (Gems)

Custom GPTs, Claude Projects & Gemini Gems

Stop pasting the same context every time. Build a custom AI tool that already knows your world.

Real-world application: What changes when you use this: you build a Custom GPT, Claude Project, or Gemini Gem with a standing instruction set that shapes every answer — turning a general AI into a specialized tool for your work.

What you will learn

Build a Custom GPT, Claude Project, or Gemini Gem with a standing instruction set
Write effective system instructions that shape every answer
Configure knowledge files and capabilities
Test and iterate on a custom AI tool

Introduction

Custom GPTs, Claude Projects & Gemini Gems

Objective

Build a Custom GPT, Claude Project, or Gemini Gem with system instructions for a specific role, and test it with real tasks.

Stop pasting the same context every time. Build a custom AI tool that already knows your world.

Unlock the full lesson

You've read the first 2 sections. The rest of this lesson covers The Problem, The Concept, Build, Check Yourself, Key Terms & Next — plus a hands-on lab, quiz, and project artifact.

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Key terms in this lesson

System Prompt