Find the best CLAUDE.md, AGENTS.md and Claude skills

royaluniondesign-sysCLAUDE.md

claude-os

royaluniondesign-sys/claude-os/CLAUDE.md

This repository IS Claude OS. When working inside this repo, you are maintaining the system itself. Always credit the original source when adapting existing work. See ATTRIBUTION.md for full credits.

royaluniondesign-sysAGENTS.md

claude-os / common

royaluniondesign-sys/claude-os/.claude/rules/common/agents.md

Located in ~/.claude/agents/: No user prompt needed: 1. Complex feature requests - Use planner agent 2. Code just written/modified - Use code-reviewer agent 3. Bug fix or new feature - Use tdd-guide agent 4. Architectural decision - Use architect agent ALWAYS use parallel Task execution for independent operations: For complex problems, use split role sub-agents: - Factual reviewer - Senior engineer - Security expert - Consistency reviewer - Redundancy checker

royaluniondesign-sysSkill

api-design

royaluniondesign-sys/claude-os/.claude/skills/api-design/SKILL.md

REST API design patterns including resource naming, status codes, pagination, filtering, error responses, versioning, and rate limiting for production APIs.

Often used witheverything-claude-code·everything-claude-code-conventions·nextjs-turbopack

royaluniondesign-sysSkill

article-writing

royaluniondesign-sys/claude-os/.claude/skills/article-writing/SKILL.md

Write articles, guides, blog posts, tutorials, newsletter issues, and other long-form content in a distinctive voice derived from supplied examples or brand guidance. Use when the user wants polished written content longer than a paragraph, especially when voice consistency, structure, and credibility matter.

Often used withbun-runtime·everything-claude-code-conventions·agent-sort

royaluniondesign-sysReads credentialsSkill

backend-patterns

royaluniondesign-sys/claude-os/.claude/skills/backend-patterns/SKILL.md

Backend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API routes.

Often used witheverything-claude-code·everything-claude-code-conventions·agent-sort

royaluniondesign-sysReads credentialsSkill

clickhouse-io

royaluniondesign-sys/claude-os/.claude/skills/clickhouse-io/SKILL.md

ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.

Often used withcontinuous-learning-v2·iterative-retrieval·postgres-patterns

royaluniondesign-sysSkill

coding-standards

royaluniondesign-sys/claude-os/.claude/skills/coding-standards/SKILL.md

Universal coding standards, best practices, and patterns for TypeScript, JavaScript, React, and Node.js development.

Often used witheverything-claude-code·everything-claude-code-conventions·agent-sort

royaluniondesign-sysDeletes or force-pushesSkill

configure-ecc

royaluniondesign-sys/claude-os/.claude/skills/configure-ecc/SKILL.md

Interactive installer for Everything Claude Code — guides users through selecting and installing skills and rules to user-level or project-level directories, verifies paths, and optionally optimizes installed files.

Often used withralphinho-rfc-pipeline·nuxt4-patterns·pytorch-patterns

royaluniondesign-sysSkill

content-engine

royaluniondesign-sys/claude-os/.claude/skills/content-engine/SKILL.md

Create platform-native content systems for X, LinkedIn, TikTok, YouTube, newsletters, and repurposed multi-platform campaigns. Use when the user wants social posts, threads, scripts, content calendars, or one source asset adapted cleanly across platforms.

Often used withbrand-discovery·agent-sort·ralphinho-rfc-pipeline

royaluniondesign-sysSkill

content-hash-cache-pattern

royaluniondesign-sys/claude-os/.claude/skills/content-hash-cache-pattern/SKILL.md

Cache expensive file processing results using SHA-256 content hashes — path-independent, auto-invalidating, with service layer separation.

Often used withralphinho-rfc-pipeline·nuxt4-patterns·agent-payment-x402

royaluniondesign-sysSkill

continuous-learning

royaluniondesign-sys/claude-os/.claude/skills/continuous-learning/SKILL.md

Automatically extract reusable patterns from Claude Code sessions and save them as learned skills for future use.

Often used withproject-guidelines-example·continuous-learning-v2·iterative-retrieval

royaluniondesign-sysSkill

continuous-learning-v2

royaluniondesign-sys/claude-os/.claude/skills/continuous-learning-v2/SKILL.md

Instinct-based learning system that observes sessions via hooks, creates atomic instincts with confidence scoring, and evolves them into skills/commands/agents.

royaluniondesign-sysSkill

cost-aware-llm-pipeline

royaluniondesign-sys/claude-os/.claude/skills/cost-aware-llm-pipeline/SKILL.md

Cost optimization patterns for LLM API usage — model routing by task complexity, budget tracking, retry logic, and prompt caching.

royaluniondesign-sysSkill

cpp-coding-standards

royaluniondesign-sys/claude-os/.claude/skills/cpp-coding-standards/SKILL.md

C++ coding standards based on the C++ Core Guidelines (isocpp.github.io). Use when writing, reviewing, or refactoring C++ code to enforce modern, safe, and idiomatic practices.

Often used withagent-payment-x402·nuxt4-patterns·ralphinho-rfc-pipeline

royaluniondesign-sysSkill

cpp-testing

royaluniondesign-sys/claude-os/.claude/skills/cpp-testing/SKILL.md

Use only when writing/updating/fixing C++ tests, configuring GoogleTest/CTest, diagnosing failing or flaky tests, or adding coverage/sanitizers.

royaluniondesign-sysSkill

database-migrations

royaluniondesign-sys/claude-os/.claude/skills/database-migrations/SKILL.md

Database migration best practices for schema changes, data migrations, rollbacks, and zero-downtime deployments across PostgreSQL, MySQL, and common ORMs (Prisma, Drizzle, Django, TypeORM, golang-migrate).

Often used withpostgres-patterns·backend-patterns·e2e-testing

royaluniondesign-sysReads credentialsSkill

deployment-patterns

royaluniondesign-sys/claude-os/.claude/skills/deployment-patterns/SKILL.md

Deployment workflows, CI/CD pipeline patterns, Docker containerization, health checks, rollback strategies, and production readiness checklists for web applications.

Often used withralphinho-rfc-pipeline·nuxt4-patterns·dart-flutter-patterns

royaluniondesign-sysReads credentialsSkill

django-patterns

royaluniondesign-sys/claude-os/.claude/skills/django-patterns/SKILL.md

Django architecture patterns, REST API design with DRF, ORM best practices, caching, signals, middleware, and production-grade Django apps.

Often used withdjango-tdd·docker-patterns·tdd-workflow

royaluniondesign-sysReads credentialsSkill

django-security

royaluniondesign-sys/claude-os/.claude/skills/django-security/SKILL.md

Django security best practices, authentication, authorization, CSRF protection, SQL injection prevention, XSS prevention, and secure deployment configurations.

Often used withnuxt4-patterns·defi-amm-security·agent-payment-x402

royaluniondesign-sysSkill

django-tdd

royaluniondesign-sys/claude-os/.claude/skills/django-tdd/SKILL.md

Django testing strategies with pytest-django, TDD methodology, factory_boy, mocking, coverage, and testing Django REST Framework APIs.