Architecture & Planning

brief-strategist

Opus

Product brief and strategic planning. Creates project briefs through interactive discovery, handles business model design and success metrics.

Auto-invoked: Brief tasks

code-architect

Sonnet

System design and long-term architecture. Handles feature-level design patterns, API design, and architectural decisions.

Mandatory: /plan reviews

project-manager

Opus

Project coordination and orchestration. Handles multi-agent coordination, task orchestration, and complex project management.

Auto-invoked: Multi-domain tasks

research-specialist

Sonnet

Deep research and knowledge distillation. Reads 30+ sources and returns the 3 that matter. Creates persistent research docs for reuse.

Auto-invoked: External knowledge needs

ai-llm-expert

Opus

AI/LLM architecture, implementation, and optimization. Handles prompt engineering, context management, RAG systems, and AI integration patterns.

Auto-invoked: AI/ML tasks

Cloud Platform Experts

aws-expert

Opus

AWS cloud architecture and implementation. Service selection, cost optimization, security best practices, Well-Architected Framework.

Auto-invoked: AWS tasks

azure-expert

Opus

Azure cloud architecture and implementation. Microsoft ecosystem integration, hybrid cloud scenarios, Azure Well-Architected Framework.

Auto-invoked: Azure tasks

gcp-expert

Opus

Google Cloud architecture and implementation. BigQuery, Vertex AI, GKE, data-intensive workloads, and AI/ML on GCP.

Auto-invoked: GCP tasks

Design & User Experience

ui-ux-designer

Sonnet

UI/UX design specialist. Visual design, color theory, typography, accessibility (WCAG), design systems, and user flows.

Proactive: Design decisions

api-designer

Sonnet

API design and endpoint architecture. REST/GraphQL design, API contracts, data validation, error handling patterns.

Auto-invoked: API tasks

Development & Implementation

frontend-specialist

Sonnet

UI/UX focused development. React/Vue/Angular, responsive design, accessibility, Core Web Vitals optimization.

Auto-invoked: UI development

backend-specialist

Sonnet

Server-side implementation and business logic. Server frameworks, authentication, real-time features, background processing.

Auto-invoked: Server-side tasks

database-specialist

Sonnet

Database design and optimization. Schema design, query optimization, performance tuning, migrations.

Auto-invoked: All database work

Quality & Testing

test-engineer

Sonnet

Comprehensive test creation and strategy. TDD/BDD workflows, unit/integration/E2E tests, test automation.

Auto-invoked: Test creation

code-reviewer

Sonnet

Code quality assessment and reviews. Quality analysis, best practices, maintainability assessment.

Auto-invoked: After implementation

security-auditor

Opus

Security assessment and compliance. Vulnerability detection, OWASP compliance, threat modeling.

Auto-invoked: Security-critical changes

refactoring-specialist

Sonnet

Code improvement and technical debt reduction. Code quality improvement, pattern refactoring, complexity reduction.

On-demand

Operations & Performance

devops-engineer

Sonnet

Infrastructure and deployment automation. CI/CD, containerization, cloud platforms, monitoring.

Auto-invoked: Infrastructure tasks

performance-optimizer

Sonnet

Performance analysis and optimization. Bottleneck identification, optimization strategies, monitoring setup.

Auto-invoked: Performance issues

migration-specialist

Sonnet

Version upgrades and framework migrations. Safe migrations, compatibility assessment, incremental modernization.

On-demand

Documentation

technical-writer

Sonnet

Documentation creation and maintenance. API docs, user guides, tutorials, code-doc synchronization.

Auto-invoked: After code changes

Model Selection

  • Opus 4.5 - Strategic reasoning, security-critical decisions, cloud architecture (7 agents)
  • Sonnet 4.5 - Best coding model, documentation, cost-effective execution (14 agents)