Spec-Driven Development with GitHub Spec Kit

48mIntermediate2025-09-11

Authors

Morten Rand-Hendriksen

Senior Staff Instructor, Speaker, Web Designer, and Software Developer

Course details

AI coding agents are only as good as the instructions and context they are given. This can be a challenge when you start on a greenfield project, have to work within tight specifications, or are refactoring or updating old code to new specs. In spec-driven development you start by defining the specifications for your project, then formulate a plan, identify tasks to be performed, and finally implement the whole thing. Spec Kit is an open source toolkit from GitHub, which streamlines AI-powered spec-driven development. It works with GitHub Copilot, Claude Code, Gemini CLI, and other AI coding tools. Spec Kit gives you tools to define and refine your project's spec, generate plans and tasks, implement everything in code, and review the results to ensure your project stays on spec.

Learning objectives
Understand what Spec Kit is and what problems it was created to solve.
Explore Spec Kit features and use cases.
Use Spec Kit to build a project from scratch in VS Code with GitHub Copilot.
Apply Spec Kit to other AI coding agents including Claude Code and Gemini CLI.

Skills covered

GitHubGenerative AIArtificial Intelligence (AI)One-Off

Concepts

0. Introduction

01 - Supercharge your coding agent with spec-driven development

1. Using Spec Kit

02 - Introducing Spec Kit - Spec-driven development with AI agents
03 - Setting up Spec Kit
04 - Creating a constitution for your project
05 - Generating a project spec with the specify command
06 - Reviewing and updating the spec with human-in-the-loop
07 - Generating a project plan with the plan command
08 - Understanding and reviewing the project plan
09 - Generating and implementing tasks using the tasks command
10 - Understanding where Spec Kit is most useful
11 - Exploring how Spec Kit works and how you can modify it
12 - Contribute and shape the future of AI coding tools

Conclusion

13 - Next steps