Best software architecture skills for Claude Code, Codex and other agents.

NestJS best practices and architecture patterns for building production-ready applications.

rolling-scopes/rsschool-app

Creates interactive architecture, workflow, sequence, data-flow and lifecycle diagrams as standalone HTML with inline SVG, themes and image or video export.

tt-a1i/archify

Tells the agent where new code belongs in an Electron multi-process project and which APIs each process may use, with rules for new bridges, services, agents and workers.

iOfficeAI/AionUi

Reviews backend code under api/ for concrete, reproducible defects, routes to rule packs for architecture, schema, repositories and SQLAlchemy, and ranks findings from P0 to P3.

langgenius/dify

Creates dark-themed system, cloud, security and network architecture diagrams as self-contained HTML files with inline SVG and CSS.

Cocoon-AI/architecture-diagram-generator

Creates standalone dark-themed SVG diagrams, including architecture, flowchart, sequence, structural, mind map, timeline and state machine types.

JimLiu/baoyu-skills

Enforces one repository's React and TypeScript module layout for code under src/: source-root imports, feature barrels, deliberate exports and no deep imports.

siteboon/claudecodeui

Comprehensive software architecture skill for designing scalable, maintainable systems using ReactJS, NextJS, NodeJS, Express, React Native, Swift…

maslennikov-ig/claude-code-orchestrator-kit

Compresses a large multi-repository codebase into a structured knowledge base through architecture reverse-engineering, a Graph RAG graph and AST analysis.

Tencent/teamai-cli

Builds validated architecture, workflow, sequence, data-flow and lifecycle diagrams as standalone interactive HTML from a small JSON spec, with optional motion and image export.

Unclecheng-li/AI_Animation

Provides comprehensive code review guidance for React 19, Vue 3, Angular 17+, Svelte 5, Rust, TypeScript, Java, Java 8, PHP, Ruby, Rails, Python, Django, FastAPI, Go, C/.NET, Kotlin, Swift, Dart…

awesome-skills/code-review-skill

Shows an evidence-linked map of a codebase's architecture and constraints, highlighting the modules an AI plans to change before it edits anything.

Qiuner/birdview

Guides design of modular-monolith platforms with DDD, flat-by-aggregate modules, anti-corruption layers, outbox events and resilience, plus an architecture document with SVG diagrams.

tech-leads-club/agent-skills

Enforces this repository's TypeScript backend module architecture under server/: feature folders, barrel exports, and where shared types and utilities belong.

siteboon/claudecodeui

Traces how an action moves through your code and draws it as a compact ASCII tree: functions called, payload types, state changes and components that re-render.

slopus/happy

AI-powered Rust documentation generation engine for comprehensive codebase analysis, C4 architecture diagrams, and automated technical documentation.

sopaco/deepwiki-rs

Explains the architecture of a public GitHub repository through GitDiagram: how the code is organized, the main components with paths, and a Mermaid diagram.

ahmedkhaleel2004/gitdiagram

Search the vault using QMD semantic search. An agent skill from breferrari/obsidian-mind.

breferrari/obsidian-mind

Deep dive into software architecture for macOS. An agent skill from KartikLabhshetwar/better-shot.

KartikLabhshetwar/better-shot

Generates Mermaid diagrams from Trailmark code graphs, including call graphs, class hierarchies, module dependency maps, complexity heatmaps and attack surface data flows.

trailofbits/skills

Helps an agent pick the right Mermaid diagram type and write the syntax for class, sequence, flow, ER, C4, state and other software diagrams.

jjmartres/opencode

Development and review guide for the Fantasy C# distributed game server framework: ECS, FTask, routing, service discovery, config and databases.

qq362946/Fantasy

Explains how a public GitHub repository is built by fetching its GitDiagram architecture diagram, components and optional explainer video.

ahmedkhaleel2004/gitdiagram

Reviews a pull request against the Pascal editor's architectural rules: package boundaries, registry-driven node composition, hook hygiene and selector performance.

pascalorg/editor

Creates, validates and renders Mermaid diagrams to SVG, PNG or ASCII, including C4 and AWS architecture-beta, flowcharts, sequence diagrams and ERDs.

tech-leads-club/agent-skills

Guides feature work in the Mistral Vibe Python CLI so each change lands in the right module and matches the project's architecture decision records.

mistralai/mistral-vibe

Expert guidance for FedRAMP certification and compliance under CR26 (FedRAMP Consolidated Rules for 2026).

Sushegaad/Claude-Skills-Governance-Risk-and-Compliance

Designs software architecture and selects appropriate patterns for projects.

CloudAI-X/claude-workflow-v2

Guides systematic project analysis, codebase exploration, and architecture pattern recognition.

CloudAI-X/opencode-workflow

Guides the creation of technical design documents before writing code, producing architecture diagrams, data models, API interface definitions, implementation plans, and multi-option trade-off…

rohitg00/skillkit

Reviews a Java project's architecture at the macro level: package structure, module boundaries, dependency direction and layering.

decebals/claude-code-java

Design or review software architecture, API contracts, data models, and module boundaries for the Static Web Server (SWS) project

static-web-server/static-web-server

Produces an in-depth architecture report on an open-source project or framework, explaining why it is designed the way it is rather than just what the code does.

yzddmr6/repo-analyzer

Interactive system flow tracing across CODE, API, AUTH, DATA, NETWORK layers with SQLite persistence and Mermaid export.

zebbern/claude-code-guide

Comprehensive macOS development guidance including Swift 6+, SwiftUI, SwiftData, architecture patterns, AppKit bridging, and macOS 26 Tahoe APIs.

KartikLabhshetwar/better-shot

Runs a three-step pipeline, requirement exploration, seven-model ontology YAML, then app build, on a Flask, SQLite, and React stack with sign-off gates.

sharptoolbox/ontology-driven-dev

Comprehensive technical diagramming toolkit for solutions architects, presales, and developers.

cmb211087/azure-diagrams-skill

Review RAG designs or accessible implementations for extraction failures, deterministic facts, evidence routing, source versioning, code retrieval, and memory boundaries.

FinanceFlash/unvibecode

Architecture audit that maps module dependencies, checks layering integrity, and flags structural decay across a codebase, drawing on twelve classic engineering books.

hyhmrright/brooks-lint

Provides comprehensive code review guidance for React 19, Vue 3, Angular 17+, Svelte 5, Rust, TypeScript, Java, PHP, Python, Django, Go, C/.NET, Kotlin, Swift, NestJS, C/C++, and more.

Rain-kl/OpenFlare

Maps the NGINX Kubernetes Ingress Controller codebase: repository layout, architectural layers, layer-crossing rules and which files are generated.

nginx/kubernetes-ingress

Matches a coding problem to one of 46 documented systems patterns, checks that it really fits, then adapts it into your codebase with a test for its invariant.

Totoro-jam/battle-tested-patterns

Creates C4 model diagrams at every zoom level, from system landscape to code, in ASCII, Mermaid or Structurizr, for designing or documenting software architecture.

lexler/skill-factory

Designs scalable NestJS modular monoliths with domain-driven design, Clean Architecture layers and optional CQRS, defining bounded contexts and strict module boundaries.

tech-leads-club/agent-skills

Research and advise on the best way to approach a software project, including architecture, tech stack, implementation strategy, pricing/operating-cost tradeoffs, benchmark research, and comparisons…

AaravKashyap12/advise-project-approach

Shows how to build entity actors with Akka.Hosting so the same code runs in local unit tests and in a sharded cluster in production.

Aaronontheweb/dotnet-skills

React and React Native file-system architecture patterns that scale.

fluid-design-io/payload-better-auth-starter

Review tutti git diffs for project structure, layering, module ownership, and duplicate event-center infrastructure by planning focused architecture review tasks, then having the main agent…

tutti-os/tutti