Architecture Design Skill

bmad-architecture-design

Creates technical architecture and system design.

mattnigh/skills_collection·0installs24stars

SKILL.md

Full skill instructions

Architecture Design Skill

When to Invoke

Automatically activate when user:

Says "How should we build this?", "What's the architecture?"
Asks "Tech stack?", "System design?", "How to architect?"
Mentions "architecture", "technical decisions", "stack"
PRD and epics are approved (Phase 3)
Uses words like: architecture, tech stack, design, system, build, technical

Specific trigger phrases:

"How should we build this?"
"What's the architecture?"
"Choose tech stack"
"System design for [project]"
"Technical architecture"
"How to architect [feature]"

Prerequisites:

PRD exists and approved
Epics defined

Do NOT invoke when:

PRD not ready (use bmad-product-planning first)
Already have architecture (skip to stories)
Simple Level 0-1 project (may not need formal architecture)

Mission

Convert approved product requirements into a Decision Architecture that communicates component structure, technology choices, and rationale for implementation teams.

Inputs Required

prd: latest PRD plus epic roadmap from product-requirements skill
constraints: non-functional requirements, compliance rules, and integrations
existing_assets: repositories, current architecture diagrams, or technology standards
project_level: BMAD level sizing to guide depth of design

Missing inputs must be escalated to the orchestrator or originating skill before work proceeds.

Outputs

ARCHITECTURE.md written using assets/decision-architecture-template.md.template
Updated risk and decision log entries summarized for stakeholders

Deliverables should highlight decisions, rejected options, and implementation guardrails.

Process

Validate prerequisites via CHECKLIST.md and confirm planning artifacts are approved.
Identify architecture drivers (quality attributes, constraints, integrations).
Design component topology, data flows, and technology selections with traceability to requirements.
Record key decisions, alternatives, and mitigation strategies.
Generate or update architecture artifact using scripts/generate_architecture.py if structured data is available.
Review the quality checklist and publish summary plus follow-up actions for delivery-planning and development-execution skills.

Quality Gates

Follow CHECKLIST.md to ensure completeness, feasibility, and stakeholder alignment. Stop if guardrails fail.

Error Handling

When contradictions or gaps exist:

Cite the specific requirement or assumption causing the conflict.
Request clarifications from product-requirements, UX, or discovery-analysis skills.
Recommend holding implementation until resolution is documented.

Install skill

Copy and run in your terminal

npx -y skills add https://github.com/mattnigh/skills_collection --skill bacoco__BMad-Skills__claude__skills__bmad-architecture-design__SKILL.md

View on GitHub

collection/bacoco__BMad-Skills__claude__skills__bmad-architecture-design__SKILL.md

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