Spec Driven Development Book — Testing skill for Claude Code
The definitive guide to Spec-Driven Development: build software with AI agents, from method to production code.
How to install Spec Driven Development Book
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open felipefontoura/spec-driven-development-book and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What Spec Driven Development Book does
The definitive guide to Spec-Driven Development: build software with AI agents, from method to production code. Book in EN + pt-BR with a ready-to-use SDD kit for Claude Code.
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README
Spec-Driven Development
**The Definitive Guide to Building Software with AI Agents.**
A complete, practitioner's book on Spec-Driven Development (SDD) — the method that shipped a 13-app crypto fintech to production in 70 days, solo, with AI agents. Written in Markdown, shipped as a print-ready PDF and a reflowable EPUB, in English and Brazilian Portuguese. Comes with a ready-to-use SDD kit for Claude Code.
[](https://github.com/felipefontoura/spec-driven-development-book/actions/workflows/build.yml) [](sdd-kit/LICENSE) [](https://typst.app) [](BOOK.en.md) [](BOOK.pt-BR.md)
[Read (EN)](BOOK.en.md) · [Ler (pt-BR)](BOOK.pt-BR.md) · [The SDD Kit](sdd-kit/) · [Report Bug](https://github.com/felipefontoura/spec-driven-development-book/issues/new) · [Request Feature](https://github.com/felipefontoura/spec-driven-development-book/issues/new)
*Both covers are real, unretouched output of `bash kit/scripts/build.sh --all`.*
Table of contents
- About
- What you'll learn
- Contents
- The SDD Kit
- Getting started
- Building the book
- Repository layout
- Who it's for
- Contributing
- License
- Contact
- Acknowledgments
About
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