# Spec-Driven Development Hub > [!Note] > Sub-hub consolidating notes on Spec-Driven Development as practiced > with AI coding agents in 2026. ## 1. Foundations - [[Spec-Driven Development]] - [[SDD Spectrum]] - [[Spec-as-Prompt Pattern]] - [[Specification by Example]] - [[Key Examples]] - [[Specifying Collaboratively]] - [[Deriving Scope from Goals]] - [[Software Requirements Specification]] - [[Three Amigos]] - [[Match Ceremony to Blast Radius]] - [[Spec Drift as a Defect]] --- ## 2. Executable contracts - [[Executable Acceptance Criterion]] - [[Gherkin Scenario]] - [[Living Documentation]] - [[Refining Specifications]] - [[Continuous Validation]] --- ## 3. Frameworks and tools - [[OpenSpec]] - [[BMAD Method]] - [[GSD Framework]] - [[Kiro]] --- ## 4. Anchor sources - [[Specification by Example (Adzic)]] - [[OpenSpec and the SDD Tools Map 2026]] - [[Specification by Example - Gojko Adzic]] - [[AI-Assisted Programming - Tom Taulli]] - [[Coding with AI - Jeremy Morgan]] - [[AI Coder - Claude Code and Coding Agents (Udemy)]] --- ## Up - [[0 - Modern AI Software Engineering Hub]]