961 free skills
Backend Frameworks skills
Framework-specific backend skills — Django, FastAPI, Ruby on Rails, Spring, Laravel, Go, and Rust service patterns.
Sourced from real, public repositories — synced daily, never invented.
961 free skills
Framework-specific backend skills — Django, FastAPI, Ruby on Rails, Spring, Laravel, Go, and Rust service patterns.
Sourced from real, public repositories — synced daily, never invented.
15 tools across six categories
13 of them never send your data anywhere
Free · No signup · No trial clock
SEE THE DIRECTORY

architecture-patterns
davila7/claude-code-templates
Master proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design to build maintainable, testable, and scalable systems.
jupyter-notebooks
openai/role-specific-plugins
Create, edit, or validate reproducible SQL or Python notebooks. Use for notebooks, SQL/Python scratchpads, reproducible exploration, audit trails, or runnable companions where the analysis should be reviewable or rerunnable.
backend-dev
krzysztofsurdy/code-virtuoso
Agent team role for backend implementation and service reliability. Use when the user asks to implement API endpoints, design data models, write backend services, create database queries, build service integrations, or write backend tests. Owns production backend code — translates architectural designs and API contracts into working, tested implementations.
jr-rails-phlex
julianrubisch/skills
>-
clean-architecture
yonatangross/orchestkit
SOLID principles, hexagonal architecture, ports and adapters, and DDD tactical patterns for maintainable backends. Use when implementing clean architecture, decoupling services, separating domain logic, or creating testable architecture.
streaming-api-patterns
yonatangross/orchestkit
Real-time data streaming with SSE, WebSockets, and ReadableStream. Use when implementing streaming responses, real-time data updates, Server-Sent Events, WebSocket setup, live notifications, push updates, or chat server backends.
Deep Agents Memory & Filesystem
langchain-ai/langchain-skills
INVOKE THIS SKILL when your Deep Agent needs memory, persistence, or filesystem access. Covers StateBackend (ephemeral), StoreBackend (persistent), FilesystemMiddleware, and CompositeBackend for routing.
rails-generators
el-feo/ai-context
Create expert-level Ruby on Rails generators for models, services, controllers, and full-stack features, plus application templates for whole-app setup. Use when building custom generators, scaffolds, code generation tools, or Rails application templates (rails new -m, app:template, starter-app automation, multi-tenant setup), or when the user mentions Rails generators, Thor DSL, or automated code generation.
laravel-exceptions
leeovery/claude-laravel
Custom exceptions with static factories and HTTP responses. Use when working with error handling, custom exceptions, or when user mentions exceptions, custom exception, error handling, HTTP exceptions.
sdo-docx-operations
jr2804/prompts
Cross-platform operational guardrails and deterministic helper scripts for officecli OOXML edits on .docx files. Use when editing .docx with officecli raw-set, fixing tab run issues, inserting bookmarks or field codes (SEQ/REF), validating XPath targeting, or preventing destructive raw-set mistakes. Applies across all SDOs -- concrete style names provided by the per-SDO drafting skill.
nestjs-expert
alexander-danilenko/cortex-ai-skills
Use when building NestJS applications requiring modular architecture, dependency injection, or TypeScript backend development. Invoke for modules, controllers, services, DTOs, guards, interceptors, TypeORM/Prisma.
moai-domain-backend
modu-ai/cc-plugins
>
laravel-packages
leeovery/claude-laravel
Package development and extraction of reusable code. Use when working with package development, code reusability, or when user mentions packages, composer packages, extract package, reusable code, package development.
salvo-proxy
salvo-rs/salvo-skills
Implement reverse proxy to forward requests to backend services. Use for load balancing, API gateways, and microservices routing.
laravel-providers
leeovery/claude-laravel
Service providers, bootstrapping, and application configuration. Use when working with service providers, app configuration, bootstrapping, or when user mentions service providers, AppServiceProvider, bootstrap, booters, configuration, helpers.
laravel-routing
leeovery/claude-laravel
Route configuration, route model binding, and authorization. Use when working with routes, route binding, URL patterns, or when user mentions routing, route model binding, conditional binding, route-level authorization.
ruby-llm
faqndo97/ai-skills
Build AI-powered Ruby applications with RubyLLM. Full lifecycle - chat, tools, streaming, Rails integration, embeddings, and production deployment. Covers all providers (OpenAI, Anthropic, Gemini, etc.) with one unified API.
nestjs
alicoder001/agent-skills
NestJS modular architecture patterns including modules, services, controllers, DTOs, and database integration. Use for building scalable Node.js backend applications with Prisma ORM.
terraform-aws
adaptationio/skrillz
Comprehensive AWS infrastructure management with Terraform. Covers provider configuration, state management (S3 backend with native locking in Terraform 1.11+), common resource patterns (VPC, IAM, S3, RDS, EKS), module usage, and production best practices. Use when provisioning AWS infrastructure, managing Terraform state, creating VPCs, configuring IAM roles/policies, deploying databases, or troubleshooting Terraform/AWS issues.
uv-build
hyperb1iss/hyperskills
Use this skill when building Python packages, configuring build backends, publishing to PyPI, or setting up pyproject.toml build systems. Activates on mentions of uv build, uv_build, build backend, Python packaging, sdist, wheel, pyproject.toml build-system, PEP 517, PEP 621, uv publish, package publishing, setuptools migration, hatchling, flit, build system, or Python distribution.
fastapi-advanced
yonatangross/orchestkit
FastAPI advanced patterns including lifespan, dependencies, middleware, and Pydantic settings. Use when configuring FastAPI lifespan events, creating dependency injection, building Starlette middleware, or managing async Python services with uvicorn.
dbos-java
dbos-inc/agent-skills
DBOS Java SDK for building reliable, fault-tolerant applications with durable workflows. Use this skill when writing Java or Kotlin code with DBOS, creating workflows and steps, using queues, integrating DBOS with Spring Boot, using DBOSClient from external applications, or building JVM applications that need to be resilient to failures.
jr-rails-new
julianrubisch/skills
>-
fastapi
genius-cai/finance-ai
FastAPI - Modern Python web framework for building APIs with automatic validation, documentation, and async support. Use for API routes, dependency injection, Pydantic models, middleware, and authentication.
tauri-app-sidecar-nodejs
full-statck-skills/tauri-skills
Guidance for Tauri v2 sidecar Node.js integration with lifecycle and packaging.
git-guardrails-claude-code
jorgealves/matt_pocock_skills
Set up Claude Code hooks to block dangerous git commands (push, reset --hard, clean, branch -D, etc.) before they execute. Use when user wants to prevent destructive git operations, add git safety hooks, or block git push/reset in Claude Code.
git-guardrails
dedalus-erp-pas/hexagone-foundation-skills
Configure des hooks Claude Code pour bloquer les commandes git dangereuses (push, force-push, reset --hard, clean, branch -D, checkout/restore) avant leur exécution. Empêche les opérations git destructrices au niveau de l'agent.
setup-k8s-backend
observeinc/skills
>-
dj-scaffold
dvf/opinionated-django
Set up a Django project into the op-django layout so the architecture, signals, and settings skills have a foundation to build on. Use when starting a new project from scratch, or when converting an existing Django project to follow this opinionated structure. Creates the src/project/ shell (ids, services registry, api, reliable signals), installs dependencies with uv, and establishes the per-app directory conventions.
dj-settings
dvf/opinionated-django
Organize Django settings.py into clearly sectioned blocks with banner-style headers. Use proactively whenever modifying src/project/settings.py — adding new settings, removing settings, or restructuring sections.
dj-lint
dvf/opinionated-django
Run linting, formatting, and static type checks on a Django project using ruff and pyrefly, and fix any issues found. Use after making code changes, before committing, or whenever the user asks to lint, format, or type-check the codebase.
django-ticket-triage
2ykwang/agent-skills
Analyze a Django Trac ticket and produce a triage recommendation report — duplicate search, related PRs, forum threads, and the affected source code. Use when the user gives a Django ticket number, or asks whether a ticket is valid, a duplicate, or ready for a triage stage.
django-access-review
getsentry/sentry-skills
Django access control and IDOR security review. Use when reviewing Django views, DRF viewsets, ORM queries, or any Python/Django code handling user authorization. Trigger keywords: "IDOR", "access control", "authorization", "Django permissions", "object permissions", "tenant isolation", "broken access".
using-sqlite-worktrees
lucianghinda/superpowers-ruby
Use when creating a git worktree for a Rails project that uses SQLite - copies the main working tree's development SQLite databases (including Rails 8 Solid Queue/Cache/Cable) into the worktree's storage/ directory with proper WAL checkpointing, so the new worktree has real dev data without re-seeding or re-migrating
wp-project-triage
firecrawl/agent-skills
Use when you need a deterministic inspection of a WordPress repository (plugin/theme/block theme/WP core/Gutenberg/full site) including tooling/tests/version hints, and a structured JSON report to guide workflows and guardrails.
rails
maroffo/claude-forge
Ruby on Rails with service-oriented architecture, Dry-validation, Sidekiq/Solid Queue, Hotwire. Use for Rails API, Rails services, Rails forms, RSpec, ActiveRecord, Rails migrations. Not for standalone Ruby gems (use ruby skill), and not for judging whether a migration is safe to run in production (that is the database-reviewer agent).
check-backend
mindfold-ai/trellis
Check if the code you just wrote follows the backend development guidelines.
before-backend-dev
mindfold-ai/trellis
Read the backend development guidelines before starting your development task.
fastapi
full-statck-skills/python-skills
Provides comprehensive guidance for FastAPI framework including routing, request validation, dependency injection, async operations, OpenAPI documentation, and database integration. Use when the user asks about FastAPI, needs to create FastAPI applications, implement REST APIs, or build high-performance Python web services.
andrew-kane-gem-writer
ratacat/claude-skills
This skill should be used when writing Ruby gems following Andrew Kane's proven patterns and philosophy. It applies when creating new Ruby gems, refactoring existing gems, designing gem APIs, or when clean, minimal, production-ready Ruby library code is needed. Triggers on requests like "create a gem", "write a Ruby library", "design a gem API", or mentions of Andrew Kane's style.
rails-blocks-cli
rails-blocks/components
Use this skill when the user wants an AI agent to add, update, inspect, preview, or read docs for Rails Blocks UI components in a Rails app using the rails-blocks CLI instead of MCP. Trigger for requests like "install the accordion component", "add Rails Blocks dropdown", "update Rails Blocks Stimulus controllers", "preview Rails Blocks files", or "use Rails Blocks Pro components". Do not use for general Rails UI work unrelated to Rails Blocks.
golang-backend-development
manutej/crush-mcp-server
Complete guide for Go backend development including concurrency patterns, web servers, database integration, microservices, and production deployment
go
howells/fiction
Resume work on a fiction project. Loads context and suggests what to do next.
backend-architecture-enforcer
yonatangross/orchestkit
Enforces FastAPI Clean Architecture with blocking validation. Use when implementing router-service-repository patterns, enforcing layer separation, or validating dependency injection in backend code.
advanced-guardrails
yonatangross/orchestkit
LLM guardrails with NeMo, Guardrails AI, and OpenAI. Input/output rails, hallucination prevention, fact-checking, toxicity detection, red-teaming patterns. Use when building LLM guardrails, safety checks, or red-team workflows.
laravel
markhamsquareventures/essentials
How to work effectively with Laravel, always use when developing Laravel features
setup-k8s-backend
observeinc/cli
>-
fastapi
davidcastagnetoa/skills
Framework async de alto rendimiento para exponer endpoints REST en el orquestador
django-developer
jshsakura/awesome-opencode-skills
Use when a task needs Django-specific work across models, views, forms, ORM behavior, or admin and middleware flows.
database-versioning
yonatangross/orchestkit
Database version control and change management patterns. Use when managing schema history, coordinating database changes across environments, implementing audit trails, or versioning database objects.
python-prototype-pollution
wgpsec/aboutsecurity
Python 原型链污染(属性注入/Class Pollution)检测与利用。当目标为 Python Web 应用(Flask/Sanic/Django/FastAPI)且存在递归合并(merge)、深度属性设置(pydash.set_)、JSON 配置更新接口时使用。覆盖污染入口识别、__globals__链构造、Flask SECRET_KEY/Jinja2定界符/searchpath污染、pydash路径过滤绕过、Sanic污染链、RCE/文件读取/权限提升利用
deploying-supabase-application
cedmandocdoc/awesome-skills
Prepare a Supabase app for production deploy and connect it to a remote project via Supabase GitHub integration — discover the working directory, validate migrations and functions locally, and document dashboard settings (production branch, deploy to production). Use when deploying Supabase, connecting a repository to Supabase GitHub integration, setting up backend auto-deploy on merge, or validating migrations and Edge Functions before production release.
ionic-firebase
erkamyaman/ionic-capacitor-skills
Wire Firebase Auth (email/password, Google, Apple) and Cloud Firestore into an Ionic Capacitor app. Trigger when adding Firebase Auth, Firestore, social sign-in via Firebase, or backend persistence using Google's Firebase platform.
django
full-statck-skills/python-skills
Provides comprehensive guidance for Django framework including models, views, templates, forms, admin, REST framework, and deployment. Use when the user asks about Django, needs to create Django applications, implement models and views, or build Django REST APIs.
django-doctor
ragnarok22/agent-skills
Audit Django codebases for security, performance, correctness, and architecture antipatterns. Run system checks, migration drift checks, and static rule scans, then output a 0-100 health score with actionable fixes. Use when users ask to scan a Django backend, run a Django health check, review backend code quality, or perform a pre-deploy audit.
django-migration-psql
prowler-cloud/prowler
>
pre-mortem
nickcrew/claude-cortex
Imagine failure first to surface guardrails and feature mitigations.
fastapi-microservices-development
manutej/crush-mcp-server
Comprehensive guide for building production-ready microservices with FastAPI including REST API patterns, async operations, dependency injection, and deployment strategies
backend-development
plurigrid/asi
Backend API design, database architecture, microservices patterns, and
python-expert
nguyenthienthanh/aura-frog
Python gotchas and decision criteria. Covers async pitfalls, FastAPI/Django patterns, and type hint traps.