Tool
Claude Code
Claude's local coding assistant with repository-aware instruction files.
Official websiteSupported config file types
CLAUDE.md
CLAUDE.md
Configs for Claude Code
Ruby on Rails 8
Claude Code instructions for modern Rails 8 apps with Solid adapters, params.expect, and service-friendly conventions.
Rust
Claude Code instructions for Rust projects covering idiomatic error handling, module design, testing, and performance patterns.
TypeScript Node.js Backend
Claude Code backend-focused TypeScript conventions for Fastify services, typed validation, Drizzle, and observability.
Python + FastAPI
Claude Code instructions for production FastAPI repositories with DI, services, and Alembic discipline.
Go Microservice
Claude Code instructions for Go microservices covering layering, context propagation, and reliability patterns.
Next.js + Supabase Full-Stack
Claude Code instructions for Next.js + Supabase full-stack apps with RLS-first data access.