SDD
The process. Scaffold, validate, and maintain behavioral specs — spec.md plus a frozen
.feature suite — and run the mission loop that gates a change against them.
cyber-sdd
Specify behavior, freeze it as scenarios, and gate every change against it.
ACED
The agent-configuration domain plugin. Spec, evaluate, and improve skills, subagents, commands, and AGENTS.md sections against a graded suite.
Quill
The documentation domain plugin. Treat guides, tutorials, and references as implementation artifacts with verifiable structure.