250 free skills · page 5 of 5
API Design skills
Skills for designing APIs — REST conventions, GraphQL schema design, versioning strategy, rate limiting, and OpenAPI contracts.
Real files from public repositories — hand-curated, never invented. Sorted by installs.
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grpc-microservicesmanutej/luxor-claude-marketplaceComprehensive gRPC microservices skill covering protobuf schemas, service definitions, streaming patterns, interceptors, load balancing, and production gRPC architectureAPI Design423hasura-graphql-enginemanutej/luxor-claude-marketplaceComplete guide for Hasura GraphQL Engine including instant GraphQL APIs, permissions, authentication, event triggers, actions, and production deploymentAPI Design422
novu-design-workflownovuhq/skillsDesign notification workflows the Novu way — choose channels, set severity, decide when a workflow is critical, configure digests, and route based on subscriber state. Applies to BOTH dashboard-authored and code-first (@novu/framework) workflows. Use when planning a new workflow, deciding which channels to include, picking severity, configuring digest behavior, or matching a use case (order confirmation, payment failed, account suspended, comment, trial expiring, password reset, webhook fan-out, fetch-then-notify) to a proven template.API Design419
api-rate-limitingsecondsky/claude-skillsImplements API rate limiting using token bucket, sliding window, and Redis-based algorithms to protect against abuse. Use when securing public APIs, implementing tiered access, or preventing denial-of-service attacks.API Design415
neo4j-aura-agent-skillneo4j-contrib/neo4j-skillsManages Neo4j Aura Agents via the v2beta1 REST API — create, list, get, update, delete,API Design415
tanstack-querypproenca/dot-skillsTanStack Query v5 performance optimization for data fetching, caching, mutations, and query patterns. This skill should be used when using useQuery, useMutation, queryClient, prefetch patterns, or TanStack Query caching. This skill does NOT cover generating query hooks from OpenAPI (use orval skill) or mocking API responses in tests (use test-msw skill).API Design405api-security-hardeningsecondsky/claude-skillsREST API security hardening with authentication, rate limiting, input validation, security headers. Use for production APIs, security audits, defense-in-depth, or encountering vulnerabilities, injection attacks, CORS issues.API Design403
graphql-implementationaj-geddes/useful-ai-promptsImplement GraphQL APIs with proper schema design, resolver patterns, error handling, and performance optimization for flexible client-server communication.API Design402
send-feishujssfy/k-skillsUse when user says "发到飞书", "发送到飞书", "发送到飞书群", "飞书通知", "通知飞书", "feishu", "发给我", "私发飞书", or explicitly invokes /send-feishu to send messages, images, or files to Feishu group chat or individual via webhook or APIAPI Design401payment-gateway-integrationsecondsky/claude-skillsIntegrates payment processing with Stripe, PayPal, or Square including subscriptions, webhooks, and PCI compliance. Use when implementing checkout flows, recurring billing, or handling refunds and disputes.API Design394Other tasks
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