Specification and task management with PLANS taxonomy, ADR-style decisions, SMART acceptance criteria, SEAMS clarification, anti-pattern detection (50 patterns), 4-level verification (stub detection + wiring checks), execution orchestration (deviation rules, checkpoint taxonomy, auth gates, session continuity), tech-specific designer agents, git checkpoints, and session-memory hooks. Outputs to speckit/ directory.
Add the marketplace (inside Claude Code):
/plugin marketplace add ddunnock/claude-pluginsInstall the plugin:
/plugin install speckit-generator