Skill Claude CodeCodex
Use this skill when implementing .NET patterns — MediatR pipelines, CQRS, Result pattern, EF Core patterns, pipeline behaviors, and event sourcing. This skill enforces: MediatR for CQRS, FluentValidation for validation, Result type for error handling, EF Core conventions. Requires .NET SDK (dotnet new). Do NOT use…
Skill Claude CodeCodex
Use this skill when building with Elixir — Phoenix framework, OTP, BEAM, LiveView, Ecto, supervision trees. This skill enforces: OTP design principles, Phoenix context boundaries, LiveView state management, Ecto schema conventions, supervision tree structure. Do NOT use for: non-Elixir projects, frontend JavaScript…
Skill Claude CodeCodex
Best practices for Kafka/RabbitMQ message brokering and event sourcing.
Skill Claude CodeCodex
Techniques to solve the N+1 problem using Dataloader.
Skill Claude CodeCodex
Use this skill when building Micronaut applications — compile-time DI, reactive HTTP server, AOT optimization, GraalVM native image. This skill enforces: annotation-based configuration, compile-time DI (no reflection), reactive programming with Project Reactor, declarative HTTP clients, and AOT compilation. Requires…
Skill Claude CodeCodex
Use this skill when building Quarkus backend applications — supersonic Java, Dev UI, GraalVM native, reactive messaging, Panache ORM. This skill enforces: compile-time metadata processing, live reload, continuous testing, container-first design. Do NOT use for: Spring Boot projects, Micronaut applications, standard…
Skill Claude CodeCodex needs its repo
Use this skill when working with Drizzle ORM — schema definition, SQL-like queries, migrations, relations, and edge deployment. This skill enforces: schema-first design, explicit SQL patterns, drizzle-kit for migrations, relational query builder, and connection management. Requires drizzle-orm and drizzle-kit. Do NOT…
Skill Claude CodeCodex needs its repo
Use this skill when building Express.js apps — app setup, middleware chain, routing, error handling, validation. This skill enforces: proper middleware ordering, global error handler, Zod/Joi validation, module-based routing, environment config. Do NOT use for: database schema design, frontend, DevOps, non-Express…
Skill Claude CodeCodex needs its repo
Use this skill when building Fastify applications — schema validation, plugin system, hooks, serialization. This skill enforces: JSON Schema validation, plugin encapsulation, schema serializers, Fastify lifecycle hooks. Do NOT use for: Express.js apps, database schema, frontend, or non-Fastify Node backends.
Skill Claude CodeCodex needs its repo
Use this skill when building Hono applications — lightweight web framework, edge-ready, Zod validation, RPC client. This skill enforces: Hono app factory pattern, Zod validation middleware, RPC type-safe client, middleware composition, edge deployment readiness. Do NOT use for: Express.js apps, NestJS projects, or…
Skill Claude CodeCodex
Use this skill when working with Prisma ORM — schema modeling, migrations, queries, relations, middleware, and deployment. This skill enforces: data model normalization, relation conventions, Prisma Client best practices, migration safety, and performance optimization. Requires @prisma/client. Do NOT use for…
Skill Claude CodeCodex
Use this skill when building Laravel applications — MVC structure, Eloquent ORM, service layer, validation, queues, and testing. This skill enforces: thin controllers, service layer for business logic, Eloquent best practices with eager loading, form request validation, and queue job structure. Requires Laravel 10+ or…
Skill Claude CodeCodex
Use this skill when building PHP applications without a framework — PSR standards, routing, middleware, database access, error handling, and security. This skill enforces: PSR-4 autoloading, PSR-7 request/response, PSR-15 middleware, PSR-11 container, PSR-3 logging. Requires PHP 8.1+. Do NOT use for: Laravel, Symfony…
Skill Claude CodeCodex
Use this skill when building Symfony backend applications — bundles, Doctrine ORM, Twig templates, Flex recipes, Messenger component. This skill enforces: service container autowiring, proper bundle structure, Doctrine mapping conventions, Flex-driven configuration. Do NOT use for: Laravel projects, WordPress plugins…
Skill Claude CodeCodex
Use this skill when the user says 'Zend', 'Laminas', 'Zend Framework', 'Laminas MVC', 'laminas-servicemanager', 'laminas-db', 'laminas-form', 'laminas-inputfilter', 'laminas-router', 'laminas-view', 'laminas-module', 'Mezzio', 'laminas-stratigility', 'API Platform', 'Doctrine ORM', 'Zend Framework 3', 'ZF3', 'Zend…
Skill Claude CodeCodex
Use this skill when the user says 'Django structure', 'Django architecture', 'Django apps', 'Django clean arch', 'Django ORM', 'Django REST framework', 'DRF', or when building a Django application. This skill enforces: one Django app per bounded context, service layer pattern separating business logic from models…
Skill Claude CodeCodex
Use this skill when the user says 'FastAPI structure', 'FastAPI architecture', 'FastAPI folder', 'FastAPI clean arch', 'FastAPI router', 'FastAPI dependency injection', 'Python backend structure', or when building a FastAPI application. This skill enforces: Clean Architecture folder structure…
Skill Claude CodeCodex
Use this skill when building Flask backend applications — lightweight, extensions, blueprints, Jinja2 templates, SQLAlchemy ORM. This skill enforces: blueprint-based modularization, proper application factory pattern, extension initialization, request context management. Do NOT use for: Django projects, FastAPI…
Skill Claude CodeCodex
Enforce report generation patterns including PDF generation (Puppeteer, wkhtmltopdf), Excel/CSV export, async generation with queues, report scheduling, large dataset handling, template rendering, and report API design. NOT for real-time dashboards or live charting.
Skill Claude CodeCodex
Use this skill when building Ruby on Rails applications — MVC, ActiveRecord, service objects, API mode, background jobs, and testing. This skill enforces: thin controllers, service objects for business logic, ActiveRecord query best practices, Rails API mode conventions, and RSpec testing patterns. Requires Rails 7+…
Skill Claude CodeCodex
Use this skill when building Scala Play Framework applications — MVC architecture, Slick database access, JSON handling with Play JSON, async actions, and testing. This skill enforces: thin controllers, service layer, Slick for database, Play JSON (reads/writes) for serialization, Future-based async actions. Requires…
Skill Claude CodeCodex
Enforce SMS and messaging patterns including Twilio/AWS SNS/Vonage integration, WhatsApp Business API, 2FA OTP delivery, TCPA compliance, message templates, rate limiting, and delivery analytics. NOT for push notifications or in-app messaging.
Skill Claude CodeCodex
Use this skill when building Vapor Swift backend applications — async HTTP server, Fluent ORM, WebSocket support, middleware pipeline. This skill enforces: structured concurrency with async/await, proper route grouping, Fluent migration patterns, environment-based configuration. Do NOT use for: iOS apps, macOS desktop…
Skill Claude CodeCodex
Enforce transactional email patterns including SMTP/SES/SendGrid/Resend setup, MJML responsive template design, deliverability (SPF/DKIM/DMARC), webhook handling, rate limiting, and GDPR-compliant email operations. NOT for marketing campaigns, newsletters, or bulk unsolicited email.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: