Alfredo Perez
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Layered Context Foundation
sddspec-driven-developmentai-coding

Layered Context Foundation

SDD loads four layers of context automatically: principles, living specs, feature deltas, and ADRs, so your specs stop dying the moment a PR merges.

June 7, 2026Read →
Specs That Move In Next to Your Code
sddspec-driven-developmentai-coding

Specs That Move In Next to Your Code

How I made SDD adoptable on a real, existing codebase: specs that live next to your code, and /sdd:init that drafts them from the code you already have.

June 7, 2026Read →
What is SDD (and Why I Built It)
sddspec-driven-developmentai-coding

What is SDD (and Why I Built It)

What SDD is, why I built it, and how it differs from spec-kit. The origin story behind folding it back into spec-kit as the SpecKit Companion.

May 25, 2026Read →
Spec-Driven Development: Stop Vibe Coding
spec-driven-developmentai-codingspeckit

Spec-Driven Development: Stop Vibe Coding

Learn how spec-driven development transforms AI-assisted coding from endless iterations to precise implementations. Stop hoping the AI understands your intent and start making it explicit with specifications that become living documentation.

January 2, 2026Read →
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Alfredo Perez
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Alfredo Perez