How Spec-Driven Development and Living Contracts Prevent Architecture Drift When Using AI Coding Agents
By
Eduardo Motta de Moraes
Summary
This article discusses the architectural challenges that arise when software teams adopt AI coding agents. The author argues that AI agents, while boosting productivity, can introduce "architecture drift" — a gradual degradation of system structure and design integrity. The proposed solution is a spec-driven development approach combined with "living contracts" (executable, versioned specifications) that keep the codebase structured and predictable even as AI generates code autonomously. The piece targets senior engineers and architects grappling with maintaining software quality in an AI-assisted development workflow.
Source
bskyHow Spec-Driven Development and Living Contracts Prevent Architecture Drift When Using AI Coding Agentshackernoon.comKey quotes
· 3 pulledAI coding agents are incredibly productive — but without guardrails, they'll happily turn your well-structured codebase into a tangled mess.
Living contracts are executable specifications that both humans and AI agents can read, understand, and validate against.
The goal isn't to slow down AI-assisted development — it's to make sure the speed doesn't come at the cost of your architecture.
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