name: planning-design
description: Design technical architecture, select technology stack, and define implementation strategy from specifications and constitution constraints.
allowed-tools: Read, Bash, Grep, Glob, WebFetch, WebSearch, Agent, AskUserQuestion
graph:
domains: [domain:software-engineering]
skillAreas: [skill-area:agentic-loops, skill-area:orchestration-loop]
workflows: [workflow:feature-development]
topics: [topic:developer-experience]
roles: [role:tech-lead, role:backend-engineer]
- When evaluating technology stack options for a feature
- When designing system architecture for new components
- When assessing implementation risks and defining mitigations
Key Principle
Architecture decisions must be traceable to specification requirements. Technology choices must comply with constitution constraints. Trade-offs must be documented for every significant decision.
Process
- Assess technology stack - Evaluate options against constitution requirements
- Design architecture - Components, interfaces, data model, integration points
- Define strategy - Phases, milestones, testing strategy, deployment approach
- Assess risks - Identify risks and define mitigations
- Human review - Approve architecture and strategy before task breakdown
Tool Use
Invoke via babysitter process: methodologies/spec-kit/spec-kit-planning
Full pipeline: methodologies/spec-kit/spec-kit-orchestrator