# Architectural Pattern Discovery

> Pattern Description

- Skill: `diegosouzapw/architectural-pattern-discovery` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add diegosouzapw/architectural-pattern-discovery`
- Raw SKILL.md: https://api.skillmd.com/api/skills/diegosouzapw/architectural-pattern-discovery/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Product & Planning
- Author: diegosouzapw (https://skillmd.com/u/diegosouzapw)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/diegosouzapw/architectural-pattern-discovery

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## Pattern Description

**What**: Systematically analyzes a codebase to identify recurring architectural, design, and coding patterns across all abstraction levels, from low-level implementation idioms to high-level system architecture, including project-specific solution approaches and technology integration patterns.

**When**: Use this skill to understand the complete pattern landscape of a project, during architectural assessments, for refactoring efforts, when onboarding to complex systems, or when planning technology evolution and modernization strategies.

**Context**: Applicable across all technology stacks and project types, focusing on observable patterns rather than theoretical frameworks, with emphasis on understanding how patterns actually manifest in practice.

## Project-Specific Conventions

### Architectural Patterns
- **Overall Structure**: [e.g., Monolithic, Microservices, Layered, Event-Driven, Serverless]
- **Data Management**: [e.g., Centralized Database, Distributed Databases, CQRS, Event Sourcing]
- **Communication**: [e.g., RESTful APIs, gRPC, Message Queues, WebSockets, GraphQL]
- **Deployment**: [e.g., Container-based, Serverless, Traditional hosting, Multi-cloud]

### Design Patterns
- **Structural**: [e.g., Adapter, Decorator, Facade, Proxy, Bridge, Composite]
- **Behavioral**: [e.g., Observer, Strategy, Command, State, Iterator, Mediator]
- **Creational**: [e.g., Factory, Singleton, Builder, Prototype, Abstract Factory]

### Project-Specific Solution Patterns
- **Feature Templates**: [e.g., how new features are consistently structured and integrated]
- **Data Processing**: [e.g., standard data transformation and validation pipelines]
- **Error Handling**: [e.g., consistent error response patterns and recovery strategies]
- **Configuration**: [e.g., how configuration is managed and propagated across systems]

### Technology Integration Patterns
- **Framework Integration**: [e.g., how external libraries and frameworks are consistently integrated]
- **Database Patterns**: [e.g., ORM usage patterns, query optimization approaches, transaction handling]
- **API Design**: [e.g., consistent API structures, versioning strategies, response formats]
- **Security Patterns**: [e.g., authentication flows, authorization checks, data protection approaches]

## Common Pitfalls

### ❌ Implicit Patterns
**Problem**: Important architectural and design patterns exist but are not explicitly documented or understood by the team.
**Why It Fails**: Leads to inconsistent implementations, makes onboarding difficult, and creates technical debt through pattern drift.
**Better Approach**: Document discovered patterns using architectural decision records (ADRs) and maintain a living pattern catalog.

### ❌ Pattern Inconsistency
**Problem**: Similar problems are solved using different patterns without clear rationale, leading to architectural confusion.
**Why It Fails**: Increases cognitive load for developers, makes maintenance harder, and reduces system predictability.
**Better Approach**: Establish clear pattern selection guidelines and conduct regular architectural reviews to ensure consistency.

### ❌ Over-Engineering Patterns
**Problem**: Applying complex architectural patterns where simpler solutions would suffice.
**Why It Fails**: Increases unnecessary complexity, development time, and maintenance overhead without proportional benefits.
**Better Approach**: Choose patterns that match the problem's complexity; prioritize simplicity and evolve patterns as complexity grows.

## Related Resources

### Related Skills
- **convention-extraction**: For lower-level coding style and naming conventions
- **universal-technology-discovery**: To identify the technologies upon which patterns are built
- **integration-mapping-discovery**: For detailed analysis of component connections and data flow
- **operational-intelligence-discovery**: For understanding deployment and operational patterns

### Related Agents
- **architecture-specialist**: For in-depth analysis and recommendation of architectural patterns
- **lead-architect-agent**: For defining and evolving project-specific patterns and standards

### External Resources
- [Refactoring Guru - Design Patterns](https://refactoring.guru/design-patterns)
- [Martin Fowler - Architectural Patterns](https://martinfowler.com/architecture/)
- [Architectural Decision Records (ADR)](https://cognitect.com/blog/2011/11/15/documenting-architecture-decisions)
- [Domain-Driven Design (DDD)](https://martinfowler.com/bliki/DomainDrivenDesign.html)
- [Patterns of Enterprise Application Architecture](https://martinfowler.com/books/eaa.html)