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
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alicloud-compute-fc-agentrun
cinience/alicloud-skills
Manage Function Compute AgentRun resources via OpenAPI (runtime, sandbox, model, memory, credentials). Use for creating runtimes/endpoints, querying status, and troubleshooting AgentRun workflows.
openapi-expert
personamanagmentlayer/pcl
Expert-level OpenAPI/Swagger specification for API design, documentation, and code generation
cloudflare-workers-security
secondsky/claude-skills
Cloudflare Workers security with authentication, CORS, rate limiting, input validation. Use for securing APIs, JWT/API keys, or encountering auth failures, CORS errors, XSS/injection vulnerabilities.
alicloud-database-rds-supabase
cinience/alicloud-skills
Manage Alibaba Cloud RDS Supabase (RDS AI Service 2025-05-07) via OpenAPI. Use for creating, starting/stopping/restarting instances, resetting passwords, querying endpoints/auth/storage, configuring auth/RAG/SSL/IP whitelist, and listing instance details or conversations.
openapi-generator
patricio0312rev/skills
Generates OpenAPI 3.0/3.1 specifications from Express, Next.js, Fastify, Hono, or NestJS routes. Creates complete specs with schemas, examples, and documentation that can be imported into Postman, Insomnia, or used with Swagger UI. Use when users request "generate openapi", "create swagger spec", "openapi documentation", or "api specification".
web-payments
alinaqi/maggy
Stripe Checkout, subscriptions, webhooks, customer portal
alicloud-ai-content-aicontent
cinience/alicloud-skills
Manage Alibaba Cloud AIContent (AiContent) via OpenAPI/SDK. Use whenever the user needs AI content generation or content workflow operations in Alibaba Cloud, including listing assets, creating/updating generation configurations, checking task status, or troubleshooting failed content jobs.
vercel-overview
bobmatnyc/claude-mpm-skills
Vercel platform overview for onboarding, projects, CLI, Git integration, environment variables, project configuration, REST API, and webhooks. Use when planning or operating workloads on Vercel.
linkfox-temu-compliance-global
linkfox-ai/linkfox-skills
Temu 全球站电商合规（Compliance）API，经 LinkFox 网关转发 Partner Global 合规相关 OpenAPI（bg.compliance.*、bg.arbok.open.*、bg.flash.open.* 等，共 9 个接口）。当用户提到 Temu Global 合规、商品资质、GPSR、治理属性、实拍图、资质上传、bg.compliance.edit、arbok cert、site=global 合规 时触发。
alicloud-ai-content-aimiaobi
cinience/alicloud-skills
Manage Alibaba Cloud Quan Miao (AiMiaoBi) via OpenAPI/SDK. Use whenever the user asks for Alibaba Cloud MiaoBi content operations, including listing resources, creating/updating configurations, querying runtime status, and diagnosing API or workflow failures.
alicloud-backup-bdrc
cinience/alicloud-skills
Manage Alibaba Cloud Backup and Disaster Recovery Center (BDRC) via OpenAPI/SDK. Use whenever the user needs backup/disaster-recovery resource operations, including inventory, policy/configuration changes, status checks, and troubleshooting BDRC workflows.
discord-webhook
vm0-ai/vm0-skills
Discord Webhook API for sending messages. Use when user says "send Discord
alicloud-security-cloudfw
cinience/alicloud-skills
Manage Alibaba Cloud Cloud Firewall (Cloudfw) via OpenAPI/SDK. Use whenever the user requests firewall policy/resource operations, change management, status checks, or troubleshooting Cloud Firewall API workflows.
alicloud-data-lake-dlf-next
cinience/alicloud-skills
Manage Alibaba Cloud Data Lake Formation (DlfNext) via OpenAPI/SDK. Use whenever the user needs DLF Next catalog/governance resource operations, including listing resources, create/update flows, status checks, and troubleshooting metadata workflow issues.
rate-limiting-abuse-protection
patricio0312rev/skills
Implements rate limiting and abuse prevention with per-route policies, IP/user-based limits, sliding windows, safe error responses, and observability. Use when adding "rate limiting", "API protection", "abuse prevention", or "DDoS protection".
reactome-database
davila7/claude-code-templates
Query Reactome REST API for pathway analysis, enrichment, gene-pathway mapping, disease pathways, molecular interactions, expression analysis, for systems biology studies.
alicloud-data-lake-dlf
cinience/alicloud-skills
Manage Alibaba Cloud Data Lake Formation (DataLake) via OpenAPI/SDK. Use whenever the user asks for DataLake catalog resource operations, configuration updates, status queries, or troubleshooting DataLake API workflows.
shopify-webhooks
hookdeck/webhook-skills
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adding-stripe
spencerpauly/awesome-cursor-skills
Integrate Stripe payments into a web application, including checkout sessions, webhooks, and customer portal.
yellowstone-grpc
agiprolabs/claude-trading-skills
Real-time Solana transaction and account streaming via Yellowstone gRPC (Geyser plugin)
distributed-systems
yonatangross/orchestkit
Distributed systems patterns for locking, resilience, idempotency, and rate limiting. Use when implementing distributed locks, circuit breakers, retry policies, idempotency keys, token bucket rate limiters, or fault tolerance patterns.
graphql
davila7/claude-code-templates
GraphQL gives clients exactly the data they need - no more, no less. One endpoint, typed schema, introspection. But the flexibility that makes it powerful also makes it dangerous. Without proper controls, clients can craft queries that bring down your server. This skill covers schema design, resolvers, DataLoader for N+1 prevention, federation for microservices, and client integration with Apollo/urql. Key insight: GraphQL is a contract. The schema is the API documentation. Design it carefully.
wren-dlt-connector
canner/wrenai
Connect SaaS data (HubSpot, Stripe, Salesforce, GitHub, Slack, etc.) to Wren Engine for SQL analysis. Guides the user through the full flow: install dlt, pick a SaaS source, set up credentials, run the data pipeline into DuckDB, then auto-generate a Wren semantic project from the loaded data. Use this skill whenever the user mentions: connecting SaaS data, importing data from an API, dlt pipelines, loading HubSpot/Stripe/Salesforce/GitHub/Slack data, querying SaaS data with SQL, or setting up a new data source from a REST API. Also trigger when the user already has a dlt-produced DuckDB file and wants to create a Wren project from it.
openapi-spec-generation
sickn33/agentic-awesome-skills
Generate and maintain OpenAPI 3.1 specifications from code, design-first specs, and validation patterns. Use when creating API documentation, generating SDKs, or ensuring API contract compliance.
api-expert
martinholovsky/claude-skills-generator
Expert API architect specializing in RESTful API design, GraphQL, gRPC, and API security. Deep expertise in OpenAPI 3.1, authentication patterns (OAuth2, JWT), rate limiting, pagination, and OWASP API Security Top 10. Use when designing scalable APIs, implementing API gateways, or securing API endpoints.
spring-boot
bobmatnyc/claude-mpm-skills
Spring Boot 3.x - Java framework for production-ready applications with dependency injection, REST APIs, data access, security, and actuator monitoring
encore-go-api
encoredev/skills
Define typed API endpoints in Encore Go using `//encore:api` annotations. Covers typed request/response structs, path/query/header/cookie params, and error returns. For raw endpoints (`//encore:api raw`) and inbound webhooks, use `encore-go-webhook` instead.
quicknode-skill
quiknode-labs/blockchain-skills
Quicknode blockchain infrastructure for 80+ chains: Core RPC API, Streams, Webhooks, Blazar WSS, Solana gRPC, HyperCore gRPC, SQL Explorer, Metaplex DAS API, Blockbook, Ordinals & Runes API, Swap API, x402, MPP, Agent Subscriptions, CLI, and MCP. Use for any Quicknode product, blockchain data access, or wallet-paid agent access.
api-endpoint-scaffolder
onewave-ai/claude-skills
Generate REST API endpoints with proper structure, validation, error handling, and types. Use when creating new API routes, endpoints, or backend services.
implementing-api-rate-limiting-and-throttling
mukul975/anthropic-cybersecurity-skills
Implements API rate limiting and throttling with token bucket, sliding
apifox-import-export
apifox/apifox-cli-skills
Apifox 导入导出与质量门禁：导入 OpenAPI/Postman/Apifox 原生格式，导出 OpenAPI/HTML/Markdown/Postman/Apifox 原生格式；导入前校验 spec 完整性、tags 分组、schema/body 覆盖率，导入后验证计数、模块和资源可见性。
resend-webhooks
hookdeck/webhook-skills
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402-frameworks-quarkus-rest
jabrena/plinth
Use when you need to design, review, or improve REST APIs with Quarkus REST (Jakarta REST) — including resource classes, HTTP methods, status codes, request/response DTOs, Bean Validation, exception mappers, optional runtime OpenAPI exposure (SmallRye), contract-first generation from OpenAPI, content negotiation, pagination, sorting and filtering, API versioning, idempotency (Idempotency-Key), optimistic concurrency (ETag / If-Match), HTTP caching (Cache-Control), API deprecation (Sunset / Deprecation headers), RFC 7807 Problem Details, ISO-8601 for time in contracts, and security-aware boundaries. This should trigger for requests such as Review or improve JAX-RS resources in a Quarkus project; Design HTTP APIs with validation and error handling on Quarkus; Add API versioning, idempotency, ETag concurrency, or deprecation headers; Implement pagination, sorting, or RFC 7807 Problem Details error responses; Improve Quarkus REST resources and exception mappers. Part of Plinth Toolkit
api-security-hardener
patricio0312rev/skills
Hardens API security with rate limiting, input validation, authentication, and protection against common attacks. Use when users request "API security", "secure API", "rate limiting", "input validation", or "API protection".
paddle-webhooks
hookdeck/webhook-skills
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omni-webhooks
diegosouzapw/omniroute
Register, list, test, and remove webhook endpoints. Configure event subscriptions (request.completed, request.failed, quota.exceeded, etc.) and manage delivery retries.
sendgrid-webhooks
hookdeck/webhook-skills
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rest-to-graphql-migrator
patricio0312rev/skills
Migrates REST APIs to GraphQL incrementally with schema stitching, REST datasources, and gradual endpoint migration. Use when users request "migrate to GraphQL", "REST to GraphQL", "GraphQL wrapper", or "API modernization".
hugging-face-trackio
huggingface/skills
Track and visualize ML training experiments with Trackio. Use when logging metrics during training (Python API), firing alerts for training diagnostics, or retrieving/analyzing logged metrics (CLI). Supports real-time dashboard visualization, alerts with webhooks, HF Space syncing, and JSON output for automation.
pluggy-doctor
pluggyai/agent-skills
Code-reviews Pluggy API integrations against Pluggy's official documentation (queried in real time via the Pluggy MCP, with a web fallback to docs.pluggy.ai when the MCP isn't connected) and returns a diagnostic report (✅/❌/⚠️) with file, line, and the code fix for each issue. Use WHENEVER the dev uploads integration files and asks to review, analyze, diagnose, or validate their Pluggy integration — or says things like "review my integration", "check my Pluggy code", "is this ready for production?", "Pluggy Doctor", "check my webhooks", "is my integration secure?", or the Portuguese variants "analisa minha integração", "revisa meu código da Pluggy", "tá tudo certo pra ir pra produção?", "checa meus webhooks", "minha integração tá segura?". Also trigger when the dev pastes/uploads code that clearly calls the Pluggy API (connect_token, GET /items, item/created webhooks, clientUserId, etc.) and wants to know if it's correct, even without saying "Pluggy Doctor". This skill is for REVIEWING existing code, not writing an integration from scratch.
graphql-architect
sickn33/agentic-awesome-skills
Master modern GraphQL with federation, performance optimization, and enterprise security. Build scalable schemas, implement advanced caching, and design real-time systems.
render-private-services
render-oss/skills
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webhook-receiver-hardener
patricio0312rev/skills
Secures webhook receivers with signature verification, retry handling, deduplication, idempotency keys, and error responses. Provides verification code, dedupe storage strategy, runbook for incidents. Use when implementing "webhooks", "webhook security", "event receivers", or "third-party integrations".
accessing-data
mystenlabs/skills
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502-frameworks-micronaut-rest
jabrena/plinth
Use when you need to design, review, or improve REST APIs with Micronaut — including @Controller routes, HTTP status codes, DTOs, Bean Validation, exception handlers, pagination, idempotency, ETag/If-Match, caching headers, versioning, contract-first OpenAPI (OpenAPI Generator), optional runtime OpenAPI via micronaut-openapi, and security annotations. This should trigger for requests such as Review or improve Micronaut @Controller REST APIs; Add validation, error handling, or align controllers with the OpenAPI contract on Micronaut HTTP layer; Design Micronaut controllers and DTO validation; Add Micronaut exception handlers and Problem Details responses; Improve pagination filtering or OpenAPI alignment in Micronaut APIs. Part of Plinth Toolkit
omni-budget
diegosouzapw/omniroute
Configure spending limits, token quotas, and rate-limit policies per API key or globally. Inspect current consumption and enforce cost controls across providers.
payment-integration
unclecatvn/agent-skills
Integrate payments with SePay (VietQR), Polar, Stripe, Paddle (MoR subscriptions), Creem.io (licensing). Checkout, webhooks, subscriptions, QR codes, multi-provider orders.
flask-expert
personamanagmentlayer/pcl
Expert-level Flask web development, REST APIs, extensions, and production deployment
701-technologies-openapi
jabrena/plinth
Use when you need framework-agnostic OpenAPI 3.x guidance — spec structure, metadata and versioning, paths and operations, reusable schemas, security schemes, examples, documentation quality, contract validation (e.g. Spectral), breaking-change awareness, and handoffs to codegen — without choosing Spring Boot, Quarkus, or Micronaut. This should trigger for requests such as Review an OpenAPI; Improve an OpenAPI; Improve API contract; Improve API schema design. Part of Plinth Toolkit
api-versioning-deprecation-planner
patricio0312rev/skills
Plans safe API evolution with versioning strategies, client migration guides, deprecation timelines, and backward compatibility considerations. Use for "API versioning", "deprecation planning", "API evolution", or "breaking changes".
google-gmail
acedatacloud/skills
Read, search, triage, label, archive and send Gmail mail / threads / labels / attachments via the Gmail v1 REST API. Use when the user mentions Gmail, "my inbox", unread mail, recent emails from someone, summarising a thread, downloading an attachment, finding mail by label / query, archiving or labelling a thread, or drafting and sending a reply / new message.
api-endpoint-generator
patricio0312rev/skills
Generates CRUD REST API endpoints with request validation, TypeScript types, consistent response formats, error handling, and documentation. Includes route handlers, validation schemas (Zod/Joi), typed responses, and usage examples. Use when building "REST API", "CRUD endpoints", "API routes", or "backend endpoints".
magento-api-developer
maxnorm/magento2-agent-skills
Designs and implements REST and GraphQL APIs for Magento 2. Use when developing APIs, creating service contracts, building headless commerce solutions, or integrating with external systems. Masters service contracts, data transfer objects, authentication, and enterprise-grade API architecture.
graphql-expert
martinholovsky/claude-skills-generator
Expert GraphQL developer specializing in type-safe API development, schema design, resolver optimization, and federation architecture. Use when building GraphQL APIs, implementing Apollo Server, optimizing query performance, or designing federated microservices.
write-openapi
gitbookio/gitbook-skills
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github-operations
yonatangross/orchestkit
GitHub CLI operations for issues, PRs, milestones, and Projects v2. Covers gh commands, REST API patterns, and automation scripts. Use when managing GitHub issues, PRs, milestones, or Projects with gh.
webhook-setup
zavudev/zavu-skills
Configure webhooks to receive inbound messages and delivery updates with signature verification.
powershell-7-expert
404kidwiz/claude-supercode-skills
Expert in modern, cross-platform PowerShell Core. Specializes in Linux/macOS automation, parallel processing, REST API integration, and modern scripting patterns. Use for cross-platform automation and modern PowerShell features. Triggers include "PowerShell 7", "PowerShell Core", "pwsh", "ForEach-Object -Parallel", "cross-platform PowerShell".
api-architect
curiositech/some_claude_skills
Expert API designer for REST, GraphQL, gRPC architectures. Activate on: API design, REST API, GraphQL schema, gRPC service, OpenAPI, Swagger, API versioning, endpoint design, rate limiting,
implementing-api-schema-validation-security
mukul975/anthropic-cybersecurity-skills
Implements API schema validation using OpenAPI Specification and JSON