Best backend development skills for Claude Code, Codex and other agents.

A skill your agent uses whenever the user mentions Horizon by name in a Laravel context.

coollabsio/coolify

You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior.

xpinjection/test-driven-spring-boot

ACTIVATE when the user works on authentication in Laravel. An agent skill from coollabsio/coolify.

coollabsio/coolify

A skill your agent uses for Laravel MCP development. An agent skill from coollabsio/coolify.

coollabsio/coolify

Sets layered architecture and coding rules for Node.js, Express and TypeScript microservices, covering routes, controllers, services, repositories, Prisma, Sentry and Zod.

diet103/claude-code-infrastructure-showcase

Apply this skill whenever writing, reviewing, or refactoring Laravel PHP code.

anonaddy/anonaddy

Set up, repair, or migrate to Cloudflare Turnstile bot verification in an existing frontend and backend, including server-side Siteverify.

cloudflare/skills

Guides changes to an existing Twenty app: adding or editing objects, layouts, logic functions and front components, with a plan stated before multi-entity edits.

twentyhq/twenty

Build, refactor, and troubleshoot Laravel Actions using lorisleiva/laravel-actions.

coollabsio/coolify

Execute read-only Ruby/Rails commands against Gumroad's production database for debugging and investigation.

antiwork/gumroad

Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices.

ever-works/ever-works

Sets the backend TypeScript and Cloud VM rules for cmux: Effect-based services, thin route handlers, Postgres as source of truth, migrations and provider secrets.

manaflow-ai/cmux

A skill your agent uses to analyze how a Laravel application is actually written and record its conventions as shared rules.

anonaddy/anonaddy

Operate/develop GEOFlow CLI/Laravel/admin/API, topics/专题 and topic tasks, theme libraries/replication, sites/leads/Agent, channel sync and legacy yao-geoflow-cli/design/template migration.

yaojingang/GEOFlow

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

Contributor guide for step three of adding a syncable entity to the Twenty server: write the validator, the migration action builder and the orchestrator wiring.

twentyhq/twenty

Use whenever asked to add, create, or scaffold a CRUD endpoint, router, or entity in this repo's server (create/list/get/update/delete handlers, new…

fosrl/pangolin

Guides adding an LLM provider to DeepChat through explicit source changes: collect the provider details, pick a transport path and add registry entries and tests.

ThinkInAIXYZ/deepchat

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

hellangleZ/burn-in-cceverywhere-ralph

TRIGGER when working with ai-sdk which is Laravel official first-party AI SDK.

trypostit/trypost

Step-by-step guide for adding a new built-in RESP command to Garnet, from the command enum and parser to storage callbacks, command metadata JSON and tests.

microsoft/garnet

Walks through step 2 of adding a syncable entity to the Twenty server: a cache service for flat entity maps and utilities that transform entities and DTOs into universal flat entities.

twentyhq/twenty

A skill your agent uses for any task or question involving Livewire.

coollabsio/coolify

Generates and splits Django schema migrations for Saleor with manage.py makemigrations, enforcing one new model or one field change per migration file.

saleor/saleor

Add or extend Redis commands in the Lettuce client API end-to-end — a new core command, a family of new commands, an extension to an existing command's options, or a module/area command…

redis/lettuce

A skill your agent uses when building or modifying CRUD endpoints with FastCRUD (the fastcrud PyPI package) in a FastAPI project — covers FastCRUD, crudrouter, EndpointCreator, FilterConfig…

benavlabs/fastcrud

Avoid common Ruby and Rails antipatterns that degrade maintainability and performance.

doorkeeper-gem/doorkeeper

Integrate Polar billing in server-side TypeScript applications using the versioned createPolar and createPolarCore clients.

polarsource/polar

Laravel test design and review. An agent skill from anonaddy/anonaddy.

anonaddy/anonaddy

Covers developing the LangBot core backend and web UI: dev setup, repo layout, API auth types, adding endpoints, migrations and keeping the MCP server in step.

langbot-app/LangBot

Registers a new syncable entity in three NestJS modules and adds its service and GraphQL resolver layers when contributing to the Twenty server.

twentyhq/twenty

FastAPI best practices and conventions. An agent skill from Open-TutorAi/open-tutor-ai-CE.

Open-TutorAi/open-tutor-ai-CE

Spring Boot 3.x development - REST APIs, JPA, Security, Testing, and Cloud-native patterns.

piomin/claude-ai-spring-boot

Creates Java + Spring Boot projects: Web applications, full-stack apps with Vue.js or Angular or React or vanilla JS, PostgreSQL, REST APIs, and Docker.

jdubois/dr-jskill

Enhance user prompts by analyzing project context (code structure, dependencies, conventions, existing patterns).

bear2u/my-skills

NestJS backend development patterns for the RedisInsight API: module structure, services, controllers, DTOs, dependency injection, and error handling.

redis/RedisInsight

Build conversational AI voice agents on the ElevenLabs platform.

jezweb/claude-skills

Dub a video into another language and generate subtitles using the default Together + Cartesia stack.

shang-zhu/violin

Migrate a whole ArcGIS Hub site into a PortalJS Arc portal end-to-end.

datopian/portaljs

A skill your agent uses for Pest PHP testing in Laravel projects only.

luadotsh/lua

A skill your agent uses for any task or question involving Livewire.

yungifez/skuul

Step four of adding a syncable entity in the Twenty server: write create, update and delete action handlers that run workspace migrations against the database.

twentyhq/twenty

Write, refactor, and review Rails code using layered architecture principles from "Layered Design for Ruby on Rails Applications".

evilmartians/redprints-cfp

Plans a WxJava setup for Java, Spring Boot or Solon projects that call WeChat services, from module and BOM choice to config and a minimal working call.

binarywang/WxJava

Guides work on LobeHub's own product search: the shared search repository, provider choice, Elasticsearch mappings, change syncing and reindexing.

lobehub/lobehub

Builds Laravel 10+ applications with Eloquent models, Sanctum authentication, Horizon queues, API resources and Livewire components, tested with Pest or PHPUnit.

Jeffallan/claude-skills

Read platform-admin feedback issues through the trusted HTTP admin API, summarize user reports, and turn them into RedBox/RedConvert repair and iteration plans.

Jamailar/Beav

Handles Laravel Cashier Stripe integration including subscriptions, webhooks, Stripe Checkout, invoices, charges, refunds, trials, coupons, metered billing, and payment failure handling.

luadotsh/lua