1,418 free skills
API Design skills
Skills for designing APIs — REST conventions, GraphQL schema design, versioning strategy, rate limiting, and OpenAPI contracts.
Sourced from real, public repositories — synced daily, never invented.
1,418 free skills
Skills for designing APIs — REST conventions, GraphQL schema design, versioning strategy, rate limiting, and OpenAPI contracts.
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
webrobot-plugin-dev
webrobot-ltd/claude-code-webrobot-skills
Build WebroBot plugins — custom ETL stages (Scala SDK) and REST API endpoints (Java JAX-RS). Use when the user wants to create a new plugin, add a custom stage, extend the REST API, or understand the plugin architecture.
trello
alanalvestech/hitank
Manage Trello boards, lists, cards, checklists, labels and members via REST API
rewrite
alanalvestech/hitank
Send SMS messages, manage templates, webhooks and API keys via Rewrite API
linear
alanalvestech/hitank
Manage Linear issues, projects, teams, cycles and labels via GraphQL API
jira
alanalvestech/hitank
Manage Jira issues, projects, sprints and boards via REST API
appsignal
alanalvestech/hitank
Monitor AppSignal apps — graphs, markers, samples and sourcemaps via REST API
golang-pro
onlyspans/events
Use when building Go applications requiring concurrent programming, microservices architecture, or high-performance systems. Invoke for goroutines, channels, Go generics, gRPC integration.
golang-pro
marttp/my_agent_skills_i_use
Use when user needs Go development help. Examples: "write a concurrent server", "implement gRPC service", "optimize Go performance", "build a CLI tool in Go", "add goroutine patterns"
golang-pro
charliemeyer2000/uvacompute
Use when building Go applications requiring concurrent programming, microservices architecture, or high-performance systems. Invoke for goroutines, channels, Go generics, gRPC integration.
golang-pro
coopyrightdmin/claude-skills
Use when building Go applications requiring concurrent programming, microservices architecture, or high-performance systems. Invoke for goroutines, channels, Go generics, gRPC integration.
abacatepay
alanalvestech/hitank
Manage AbacatePay payments, PIX, customers, coupons and withdrawals via REST API
stripe
alanalvestech/hitank
Manage Stripe payments, customers, subscriptions, invoices and products via REST API
notion
alanalvestech/hitank
Manage Notion pages, databases, blocks and users via REST API
railway
alanalvestech/hitank
Manage Railway projects, services, deployments, variables, domains and volumes via GraphQL API
php-pro
mdhb2/aix-skillpack
Use when building PHP applications with modern PHP 8.3+ features, Laravel, or Symfony frameworks. Invokes strict typing, PHPStan level 9, async patterns with Swoole, and PSR standards. Creates controllers, configures middleware, generates migrations, writes PHPUnit/Pest tests, defines typed DTOs and value objects, sets up dependency injection, and scaffolds REST/GraphQL APIs. Use when working with Eloquent, Doctrine, Composer, Psalm, ReactPHP, or any PHP API development.
clickup
alanalvestech/hitank
Manage ClickUp tasks, lists, spaces, time tracking and comments via REST API
php-pro
hsc00/dam-api
Use when building PHP applications with modern PHP 8.3+ features, Laravel, or Symfony frameworks. Invokes strict typing, PHPStan level 9, async patterns with Swoole, and PSR standards. Creates controllers, configures middleware, generates migrations, writes PHPUnit/Pest tests, defines typed DTOs and value objects, sets up dependency injection, and scaffolds REST/GraphQL APIs. Use when working with Eloquent, Doctrine, Composer, Psalm, ReactPHP, or any PHP API development.
php-pro
thienanthx/skill-web-design
Use when building PHP applications with modern PHP 8.3+ features, Laravel, or Symfony frameworks. Invokes strict typing, PHPStan level 9, async patterns with Swoole, and PSR standards. Creates controllers, configures middleware, generates migrations, writes PHPUnit/Pest tests, defines typed DTOs and value objects, sets up dependency injection, and scaffolds REST/GraphQL APIs. Use when working with Eloquent, Doctrine, Composer, Psalm, ReactPHP, or any PHP API development.
php-pro
duyphaphach/agent-skills
Use when building PHP applications with modern PHP 8.3+ features, Laravel, or Symfony frameworks. Invokes strict typing, PHPStan level 9, async patterns with Swoole, and PSR standards. Creates controllers, configures middleware, generates migrations, writes PHPUnit/Pest tests, defines typed DTOs and value objects, sets up dependency injection, and scaffolds REST/GraphQL APIs. Use when working with Eloquent, Doctrine, Composer, Psalm, ReactPHP, or any PHP API development.
php-pro
yo-steven/claude-skills-exploration-20260522
Use when building PHP applications with modern PHP 8.3+ features, Laravel, or Symfony frameworks. Invokes strict typing, PHPStan level 9, async patterns with Swoole, and PSR standards. Creates controllers, configures middleware, generates migrations, writes PHPUnit/Pest tests, defines typed DTOs and value objects, sets up dependency injection, and scaffolds REST/GraphQL APIs. Use when working with Eloquent, Doctrine, Composer, Psalm, ReactPHP, or any PHP API development.
php-pro
zroman88/claude-skills-to-cursor
Use when building PHP applications with modern PHP 8.3+ features, Laravel, or Symfony frameworks. Invokes strict typing, PHPStan level 9, async patterns with Swoole, and PSR standards. Creates controllers, configures middleware, generates migrations, writes PHPUnit/Pest tests, defines typed DTOs and value objects, sets up dependency injection, and scaffolds REST/GraphQL APIs. Use when working with Eloquent, Doctrine, Composer, Psalm, ReactPHP, or any PHP API development.
graphql-expert
librefang/librefang-registry
GraphQL expert for schema design, resolvers, subscriptions, and performance optimization
n8n-expression-syntax
synaptic-labs-ai/pact-plugin
Validate n8n expression syntax and fix common errors. Use when writing n8n expressions, using {{}} syntax, accessing $json/$node variables, troubleshooting expression errors, or working with webhook data in workflows.
n8n-expression-syntax
trendpilotai/openclaw-n8n-railway
Validate n8n expression syntax and fix common errors. Use when writing n8n expressions, using {{}} syntax, accessing $json/$node variables, troubleshooting expression errors, or working with webhook data in workflows.
n8n-expression-syntax
cfomodz/n8n-skills-gemini-cli
Validate n8n expression syntax and fix common errors. Use when writing n8n expressions, using {{}} syntax, accessing $json/$node variables, troubleshooting expression errors, or working with webhook data in workflows.
n8n-expression-syntax
phuongnamsoft/skills
Validate n8n expression syntax and fix common errors. Use when writing n8n expressions, using {{}} syntax, accessing $json/$node variables, troubleshooting expression errors, or working with webhook data in workflows.
n8n-expression-syntax
kang011111/n8n-skills-0504
Validate n8n expression syntax and fix common errors. Use when writing n8n expressions, using {{}} syntax, accessing $json/$node variables, troubleshooting expression errors, mapping data between nodes, or referencing webhook data in workflows. Use this skill whenever configuring node fields that reference data from previous nodes — expressions are how n8n passes data between nodes, and getting the syntax wrong is the most common source of workflow errors.
n8n-expression-syntax
automate-me7/agent-skills
Validate n8n expression syntax and fix common errors. Use when writing n8n expressions, using {{}} syntax, accessing $json/$node variables, troubleshooting expression errors, or working with webhook data in workflows.
n8n-expression-syntax
alexadark/claude-code-to-n8n
Validate n8n expression syntax and fix common errors. Use when writing n8n expressions, using {{}} syntax, accessing $json/$node variables, troubleshooting expression errors, or working with webhook data in workflows.
express
parallel-7/flashforgewebui
Express.js 5.x web framework for Node.js - complete API reference, middleware patterns, routing, error handling, and production best practices. Use when building Express applications, creating REST APIs, implementing middleware, handling routes, managing errors, configuring security, optimizing performance, or migrating from Express 4 to 5. Triggers on Express, express.js, Node.js web server, REST API, middleware, routing, req/res objects, app.use, app.get, app.post, router, error handling, body-parser, static files, template engines.
django-expert
hosseinmirzapur/opencode-skills
Use when building Django web applications or REST APIs with Django REST Framework. Invoke when working with settings.py, models.py, manage.py, or any Django project file. Creates Django models with proper indexes, optimizes ORM queries using select_related/prefetch_related, builds DRF serializers and viewsets, and configures JWT authentication. Trigger terms: Django, DRF, Django REST Framework, Django ORM, Django model, serializer, viewset, Python web.
django-expert
thienanthx/skill-web-design
Use when building Django web applications or REST APIs with Django REST Framework. Invoke when working with settings.py, models.py, manage.py, or any Django project file. Creates Django models with proper indexes, optimizes ORM queries using select_related/prefetch_related, builds DRF serializers and viewsets, and configures JWT authentication. Trigger terms: Django, DRF, Django REST Framework, Django ORM, Django model, serializer, viewset, Python web.
django-expert
polip/opencode-skills
Use when building Django web applications or REST APIs with Django REST Framework. Invoke when working with settings.py, models.py, manage.py, or any Django project file. Creates Django models with proper indexes, optimizes ORM queries using select_related/prefetch_related, builds DRF serializers and viewsets, and configures JWT authentication. Trigger terms: Django, DRF, Django REST Framework, Django ORM, Django model, serializer, viewset, Python web.
django-expert
zroman88/claude-skills-to-cursor
Use when building Django web applications or REST APIs with Django REST Framework. Invoke when working with settings.py, models.py, manage.py, or any Django project file. Creates Django models with proper indexes, optimizes ORM queries using select_related/prefetch_related, builds DRF serializers and viewsets, and configures JWT authentication. Trigger terms: Django, DRF, Django REST Framework, Django ORM, Django model, serializer, viewset, Python web.
django-expert
yo-steven/claude-skills-exploration-20260522
Use when building Django web applications or REST APIs with Django REST Framework. Invoke when working with settings.py, models.py, manage.py, or any Django project file. Creates Django models with proper indexes, optimizes ORM queries using select_related/prefetch_related, builds DRF serializers and viewsets, and configures JWT authentication. Trigger terms: Django, DRF, Django REST Framework, Django ORM, Django model, serializer, viewset, Python web.
flask-restful
tryboy869/dojutsu-for-ai
[Applies to: **/*.py] This guide defines definitive best practices for building robust, maintainable, and modern REST APIs using Flask-RESTful, emphasizing Pydantic for validation and clear architectural patterns.
django-expert
coopyrightdmin/claude-skills
Use when building Django web applications or REST APIs with Django REST Framework. Invoke for Django models, ORM optimization, DRF serializers, viewsets, authentication with JWT.
django-expert
krypton-kr36/claude-code-skills
Use when building Django web applications or REST APIs with Django REST Framework. Invoke when working with settings.py, models.py, manage.py, or any Django project file. Creates Django models with proper indexes, optimizes ORM queries using select_related/prefetch_related, builds DRF serializers and viewsets, and configures JWT authentication. Trigger terms: Django, DRF, Django REST Framework, Django ORM, Django model, serializer, viewset, Python web.
flask-telegram-bot
jmazzahacks/byteforge-claude-skills
Add a Telegram bot webhook endpoint to a Flask service using the byteforge-telegram library. Use when wiring up a Flask app to receive Telegram bot updates, validating the Telegram secret token, routing commands, and sending notifications back through the Bot API.
flask
dkbnull/hello-skill
Flask开发专家助手。当用户需要进行Flask轻量级Web开发、REST API、微服务或Python Web应用时调用。
openapi-design
dennisholee/integrationhub
Best practices for OpenAPI-first API design, linting, versioning, and code generation.
flask-api-design
jcorpac/ai-skills-library
Building clean, RESTful APIs with Marshmallow for serialization and OpenAPI documentation.
twilio-messaging-webhooks
kodik-ai/kodik
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rails
mguinada/agent-skills
Ruby on Rails framework development covering MVC architecture, Active Record, migrations, routing, background jobs, and full-stack web applications. **PROACTIVE ACTIVATION**: Auto-invoke when editing Ruby files in a Rails project, running rails commands, or working with Rails-specific patterns. **DETECTION**: Check for Gemfile with 'rails' gem, config/application.rb, app/ directory (controllers, models, views), db/migrate/, config/routes.rb, bin/rails, or *.rb files with ActionController/ActiveRecord imports. **USE CASES**: Creating controllers/models/migrations, building REST APIs, background jobs with Active Job, real-time features with Action Cable, file uploads with Active Storage, email with Action Mailer, internationalization, authentication, and Rails configuration.
gitbook-openapi
gitbookio/gitbook-ai
>-
spring-graphql
rynr/spring-skills
Guide Spring GraphQL and Netflix DGS for building GraphQL APIs
tanstack-start-api-routes
netlify/swar-templates
Create API routes (server routes) in TanStack Start for handling HTTP requests. Use when building REST APIs, webhooks, or any HTTP endpoint that returns data rather than rendering a page.
supabase
pixelctechia/agent-skills_supabase
Use when doing ANY task involving Supabase. Triggers: Supabase products (Database, Auth, Edge Functions, Realtime, Storage, Vectors, Cron, Queues); client libraries and SSR integrations (supabase-js, @supabase/ssr) in Next.js, React, SvelteKit, Astro, Remix; auth issues (login, logout, sessions, JWT, cookies, getSession, getUser, getClaims, RLS); Supabase CLI or MCP server; schema changes, migrations, security audits, Postgres extensions (pg_graphql, pg_cron, pg_vector).
supabase
trphume/supabase-agent-skills
Use when doing ANY task involving Supabase. Triggers: Supabase products (Database, Auth, Edge Functions, Realtime, Storage, Vectors, Cron, Queues); client libraries and SSR integrations (supabase-js, @supabase/ssr) in Next.js, React, SvelteKit, Astro, Remix; auth issues (login, logout, sessions, JWT, cookies, getSession, getUser, getClaims, RLS); Supabase CLI or MCP server; schema changes, migrations, security audits, Postgres extensions (pg_graphql, pg_cron, pg_vector).
supabase
relvorlabs/agent-controller
Use when doing ANY task involving Supabase. Triggers: Supabase products (Database, Auth, Edge Functions, Realtime, Storage, Vectors, Cron, Queues); client libraries and SSR integrations (supabase-js, @supabase/ssr) in Next.js, React, SvelteKit, Astro, Remix; auth issues (login, logout, sessions, JWT, cookies, getSession, getUser, getClaims, RLS); Supabase CLI or MCP server; schema changes, migrations, security audits, Postgres extensions (pg_graphql, pg_cron, pg_vector).
supabase
ziwenhahaha/daily-paper-reader
Use when doing ANY task involving Supabase. Triggers: Supabase products (Database, Auth, Edge Functions, Realtime, Storage, Vectors, Cron, Queues); client libraries and SSR integrations (supabase-js, @supabase/ssr) in Next.js, React, SvelteKit, Astro, Remix; auth issues (login, logout, sessions, JWT, cookies, getSession, getUser, getClaims, RLS); Supabase CLI or MCP server; schema changes, migrations, security audits, Postgres extensions (pg_graphql, pg_cron, pg_vector).
supabase
seaworld008/commonly-used-high-value-skills
Use when doing ANY task involving Supabase. Triggers: Supabase products (Database, Auth, Edge Functions, Realtime, Storage, Vectors, Cron, Queues); client libraries and SSR integrations (supabase-js, @supabase/ssr) in Next.js, React, SvelteKit, Astro, Remix; auth issues (login, logout, sessions, JWT, cookies, getSession, getUser, getClaims, RLS); Supabase CLI or MCP server; schema changes, migrations, security audits, Postgres extensions (pg_graphql, pg_cron, pg_vector).
supabase
hashim1404/agent-skills-and-rules
Use when doing ANY task involving Supabase. Triggers: Supabase products (Database, Auth, Edge Functions, Realtime, Storage, Vectors, Cron, Queues); client libraries and SSR integrations (supabase-js, @supabase/ssr) in Next.js, React, SvelteKit, Astro, Remix; auth issues (login, logout, sessions, JWT, cookies, getSession, getUser, getClaims, RLS); Supabase CLI or MCP server; schema changes, migrations, security audits, Postgres extensions (pg_graphql, pg_cron, pg_vector).
supabase
mrziadd0/agent-setofskills
Use when doing ANY task involving Supabase. Triggers: Supabase products (Database, Auth, Edge Functions, Realtime, Storage, Vectors, Cron, Queues); client libraries and SSR integrations (supabase-js, @supabase/ssr) in Next.js, React, SvelteKit, Astro, Remix; auth issues (login, logout, sessions, JWT, cookies, getSession, getUser, getClaims, RLS); Supabase CLI or MCP server; schema changes, migrations, declarative schemas, security audits, Postgres extensions (pg_graphql, pg_cron, pg_vector).
supabase
khoantd/loop-library
Use when doing ANY task involving Supabase. Triggers: Supabase products (Database, Auth, Edge Functions, Realtime, Storage, Vectors, Cron, Queues); client libraries and SSR integrations (supabase-js, @supabase/ssr) in Next.js, React, SvelteKit, Astro, Remix; auth issues (login, logout, sessions, JWT, cookies, getSession, getUser, getClaims, RLS); Supabase CLI or MCP server; schema changes, migrations, security audits, Postgres extensions (pg_graphql, pg_cron, pg_vector).
supabase
jpoindexter/theft-ai
Use when doing ANY task involving Supabase. Triggers: Supabase products (Database, Auth, Edge Functions, Realtime, Storage, Vectors, Cron, Queues); client libraries and SSR integrations (supabase-js, @supabase/ssr) in Next.js, React, SvelteKit, Astro, Remix; auth issues (login, logout, sessions, JWT, cookies, getSession, getUser, getClaims, RLS); Supabase CLI or MCP server; schema changes, migrations, security audits, Postgres extensions (pg_graphql, pg_cron, pg_vector).
firebase
alanalvestech/hitank
Manage Firebase projects, Firestore, Auth users and Hosting via REST API
firebase-data-connect
ionmidori/sydbioedilizia
Build and deploy Firebase Data Connect backends with PostgreSQL. Use for schema design, GraphQL queries/mutations, authorization, and SDK generation for web, Android, iOS, and Flutter apps.
datastore-redis
mrgig7/multi-agent-enterprise-crm
Designs Redis usage for caching, rate limiting, and distributed locks.
upstash-redis
rikinshah787/agent-skills-production-skills
Use to add serverless Redis (caching, counters, sessions) or rate limiting over HTTP from edge/serverless runtimes.