Claude-Code

The sdd plugin is about what gets built and how it’s verified. Its sibling, delegation, is about who does the work. It started as a few subagent definitions and some notes on model tiering, and grew into a plugin that can also send work outside the Claude account I’m sitting in. Matching the model to the work The core of the plugin is a set of agents, each tied to a model tier that fits the kind of work it does: ...

Almost every project I’ve written about this year, Codex, Tsundoku, Kiln, Mnemo, was built the same way: a PRD, broken into phase specs, broken into task files, implemented one task at a time with Claude Code doing most of the typing. That workflow started as a handful of personal slash commands, and it’s now a proper Claude Code plugin called sdd. This post is about what it does, and about the part that took the most work: making it enforce itself. ...