Alfredo Perez
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Brownfield

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Layered Context Foundation
sdd

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
sdd

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
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Alfredo Perez
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Alfredo Perez