name: faion-software-architect description: "Software architecture: system design, patterns, ADRs, quality attributes." user-invocable: false allowed-tools: Read, Write, Edit, Glob, Grep, WebSearch, WebFetch, AskUserQuestion, Task, TodoWrite
Entry point:
/faion-net— invoke this skill for automatic routing to the appropriate domain.
Software Architect Skill
Communication: User's language. Docs: English.
Purpose
Make informed architecture decisions balancing quality attributes (scalability, performance, security, maintainability) with business constraints (time, cost, team skills).
Quick Decision Reference
| If you need... | Use | File |
|---|---|---|
| Architecture style for small team/MVP | Monolith or Modular Monolith | monolith-architecture.md, modular-monolith.md |
| Architecture style for large team | Microservices | microservices-architecture.md |
| Database for relational data | PostgreSQL/MySQL | database-selection.md |
| Database for documents | MongoDB/DynamoDB | database-selection.md |
| Database for cache | Redis | caching-architecture.md |
| API for external devs | REST + OpenAPI | patterns.md |
| API for internal | gRPC | patterns.md |
| Communication async | Kafka/RabbitMQ | event-driven-architecture.md |
| Pattern for distributed transactions | Saga | distributed-patterns.md |
| Pattern for resilience | Circuit Breaker | distributed-patterns.md |
Methodologies (30)
Fundamentals (5): system-design-process | c4-model | architecture-decision-records | quality-attributes-analysis | trade-off-analysis
Styles (5): monolith-architecture | microservices-architecture | modular-monolith | serverless-architecture | event-driven-architecture
Patterns (5): creational-patterns | structural-patterns | behavioral-patterns | architectural-patterns | distributed-patterns
Data (4): data-modeling | database-selection | caching-architecture | data-pipeline-design
Infrastructure (4): cloud-architecture | container-orchestration | api-gateway-design | service-mesh
Quality (4): security-architecture | performance-architecture | reliability-architecture | observability-architecture
Templates (3): adr-template | quality-attributes | workflows
Quality Attributes
Scalability: Handle 10x load? | Performance: p95 < 200ms? | Availability: 99.9%+ uptime? | Security: Threat model done? | Maintainability: Deploy daily?
Framework: quality-attributes.md | Analysis: quality-attributes-analysis.md
C4 Model
| Level | Audience | Shows | File |
|---|---|---|---|
| Context (C1) | Business | External systems, users | c4-model.md |
| Container (C2) | Architects | Apps, databases, services | c4-model.md |
| Component (C3) | Developers | Internal components | c4-model.md |
ADR Template
# ADR-NNN: Title
## Status: Proposed/Accepted
## Context: Why needed?
## Decision: What we decided
## Consequences: Trade-offs
## Alternatives: Other options
Full template: adr-template.md
Workflows
System Design: Requirements → Scale estimation → High-level design → Components → Quality attributes → Documentation
Technology Selection: Define criteria → Research → Evaluate → Decide → Document ADR
Full workflows: workflows.md
faion-software-architect v1.2 30 Methodologies
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