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Skill catalog

506backend & apis agent skills synced from skills.sh, with their install counts. Read them here, or let your agent fetch the right one through the Graph-of-Skills MCP server.

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Showing 201 to 250 of 506
  1. spring-boot-rest-api-standards giuseppe-trisciuoglio/developer-kit

    Provides REST API design standards and best practices for Spring Boot projects. Use when creating or reviewing REST endpoints, DTOs, error handling, pagination, security headers, HATEOAS and architecture patterns.

    4,147 installs
  2. admission-control grafana/skills

    Use when the user asks to "write a validator", "add validation", "implement admission control", "write a mutating webhook", "add a mutation handler", "validate incoming resources", "implement admission logic", "add admi…

    4,140 installs
  3. spring-boot-security-jwt giuseppe-trisciuoglio/developer-kit

    Provides JWT authentication and authorization patterns for Spring Boot 3.5.x covering token generation with JJWT, Bearer/cookie authentication, database/OAuth2 integration, and RBAC/permission-based access control using…

    4,108 installs
  4. spring-data-jpa giuseppe-trisciuoglio/developer-kit

    Provides patterns to implement persistence layers with Spring Data JPA. Use when creating repositories, configuring entity relationships, writing queries (derived and `@Query`), setting up pagination, database auditing,…

    4,071 installs
  5. graphql-architect jeffallan/claude-skills

    Use when designing GraphQL schemas, implementing Apollo Federation, or building real-time subscriptions. Invoke for schema design, resolvers with DataLoader, query optimization, federation directives.

    4,027 installs
  6. spring-boot-openapi-documentation giuseppe-trisciuoglio/developer-kit

    Provides patterns to generate comprehensive REST API documentation using SpringDoc OpenAPI 3.0 and Swagger UI in Spring Boot 3.x applications. Use when setting up API documentation, configuring Swagger UI, adding OpenAP…

    4,003 installs
  7. openapi-to-typescript softaworks/agent-toolkit

    Converts OpenAPI 3.0 JSON/YAML to TypeScript interfaces and type guards. This skill should be used when the user asks to generate types from OpenAPI, convert schema to TS, create API interfaces, or generate TypeScript t…

    3,982 installs
  8. iii-architecture-patterns iii-hq/iii

    Use when composing iii primitives into backend architectures: durable workflows, reactive backends, observer side effects, agentic pipelines, event-driven CQRS, effect pipelines, and trigger-transform-action automation.

    3,979 installs
  9. graphql-schema apollographql/skills

    Guide for designing and changing GraphQL schemas following industry best practices. Use this skill whenever you create or edit GraphQL SDL, such as a `schema.graphql` file or `typeDefs`, including when: (1) designing a…

    3,975 installs
  10. highway-traffic-status nomadamas/k-skill

    한국도로공사·국가교통정보센터 공개 API로 고속도로 실시간 소통(구간별 속도/교통량/정체 등급)과 CCTV 스트림 메타데이터를 조회한다. Use when the user asks 고속도로 정체, 교통 상황, 노선/구간 소통, 고속도로 CCTV. Not for 대중교통 길찾기 or 자동차 경로 안내.

    3,964 installs
  11. spring-boot-crud-patterns giuseppe-trisciuoglio/developer-kit

    Provides and generates complete CRUD workflows for Spring Boot 3 services. Creates feature-focused architecture with Spring Data JPA aggregates, repositories, DTOs, controllers, and REST APIs. Validates domain invariant…

    3,843 installs
  12. firecrawl-build firecrawl/skills

    Integrate Firecrawl into application code whenever a product, agent, or workflow needs web data inside the app — web search, live search results, page scraping, structured extraction, or browser interaction. Use when bu…

    3,824 installs
  13. zod-validation-utilities giuseppe-trisciuoglio/developer-kit

    Creates reusable Zod v4 schemas, validates API payloads, forms, and configuration input, transforms and coerces data safely, and handles validation errors with strong type inference for TypeScript applications. Use when…

    3,819 installs
  14. spring-boot-event-driven-patterns giuseppe-trisciuoglio/developer-kit

    Provides Event-Driven Architecture (EDA) patterns for Spring Boot — creates domain events, configures ApplicationEvent and @TransactionalEventListener, sets up Kafka producers and consumers, and implements the transacti…

    3,814 installs
  15. nestjs-best-practices giuseppe-trisciuoglio/developer-kit

    Provides comprehensive NestJS best practices including modular architecture, dependency injection scoping, exception filters, DTO validation with class-validator, and Drizzle ORM integration. Use when designing NestJS m…

    3,810 installs
  16. spring-boot-cache giuseppe-trisciuoglio/developer-kit

    Provides patterns for implementing Spring Boot caching: configures Redis/Caffeine/EhCache providers with TTL and eviction policies, applies @Cacheable/@CacheEvict/@CachePut annotations, validates cache hit/miss behavior…

    3,799 installs
  17. api-review gjkim42/kanon-repo

    Review the current Kelos branch, or an explicitly specified PR, issue, or diff, for Kubernetes API and CRD design quality. Use when asked for a Kelos API review, CRD/API compatibility review, Kubernetes API convention r…

    3,789 installs
  18. api-recon-and-docs yaklang/hack-skills

    API reconnaissance and documentation review playbook. Use when discovering endpoints, schemas, versions, OpenAPI specs, hidden docs, and surface area for API testing.

    3,774 installs
  19. spring-boot-saga-pattern giuseppe-trisciuoglio/developer-kit

    Provides distributed transaction patterns using the Saga Pattern for Spring Boot microservices. Use when implementing distributed transactions across services, handling compensating transactions, ensuring eventual consi…

    3,732 installs
  20. spring-data-neo4j giuseppe-trisciuoglio/developer-kit

    Provides Spring Data Neo4j integration patterns for Spring Boot applications. Use when you need to work with a graph database, Neo4j nodes and relationships, Cypher queries, or Spring Data Neo4j. Creates node entities w…

    3,729 installs
  21. api-authorization-and-bola yaklang/hack-skills

    API authorization and BOLA testing playbook. Use when APIs expose object identifiers, nested resources, hidden writable fields, or weak function-level authorization.

    3,719 installs
  22. youtube-api fetcher-sh/fetcher-skills

    A YouTube API alternative on fetcher.sh — pay-per-call in USDC via x402, or prepaid credits with a Bearer key, no OAuth and no daily quota. Use when the user wants to search YouTube videos with filters for upload date,…

    3,717 installs
  23. yelp fetcher-sh/fetcher-skills

    A Yelp API alternative on fetcher.sh — pay-per-call in USDC via x402, or prepaid credits with a Bearer key, no Yelp Fusion API app approval. Use when the user wants to search local businesses by query and location sorte…

    3,706 installs
  24. qdrant giuseppe-trisciuoglio/developer-kit

    Provides Qdrant vector database integration patterns with LangChain4j. Handles embedding storage, similarity search, and vector management for Java applications. Use when implementing vector-based retrieval for RAG syst…

    3,703 installs
  25. playwright-dev microsoft/playwright

    Explains how to develop Playwright - add APIs, MCP tools, CLI commands, and vendor dependencies.

    3,687 installs
  26. google-maps fetcher-sh/fetcher-skills

    A Google Maps API alternative and Google Places API alternative on fetcher.sh — pay-per-call in USDC via x402, or prepaid credits with a Bearer key, no Google Cloud billing account. Use when the user wants to search pla…

    3,684 installs
  27. aws-sdk-java-v2-s3 giuseppe-trisciuoglio/developer-kit

    Provides Amazon S3 patterns and examples using AWS SDK for Java 2.x. Use when working with S3 buckets, uploading/downloading objects, multipart uploads, presigned URLs, S3 Transfer Manager, object operations, or S3-spec…

    3,682 installs
  28. aws-sdk-java-v2-dynamodb giuseppe-trisciuoglio/developer-kit

    Provides Amazon DynamoDB patterns using AWS SDK for Java 2.x. Use when creating, querying, scanning, or performing CRUD operations on DynamoDB tables, working with indexes, batch operations, transactions, or integrating…

    3,672 installs
  29. aws-rds-spring-boot-integration giuseppe-trisciuoglio/developer-kit

    Provides patterns to configure AWS RDS (Aurora, MySQL, PostgreSQL) with Spring Boot applications. Configures HikariCP connection pools, implements read/write splitting, sets up IAM database authentication, enables SSL c…

    3,668 installs
  30. aws-sdk-java-v2-messaging giuseppe-trisciuoglio/developer-kit

    Provides AWS messaging patterns using AWS SDK for Java 2.x for SQS queues and SNS topics. Handles sending/receiving messages, FIFO queues, DLQ, subscriptions, and pub/sub patterns. Use when implementing messaging with S…

    3,653 installs
  31. platform-dataspace-access-configure forcedotcom/sf-skills

    Use this skill to configure or inspect Salesforce Data Cloud DataSpace access for permission sets. Grants dataspace-level access via MDAPI PermissionSet XML with dataspaceScopes elements, optionally grants object-level…

    3,649 installs
  32. instagram-scraper fetcher-sh/fetcher-skills

    An Instagram API alternative on fetcher.sh — pay-per-call in USDC via x402, or prepaid credits with a Bearer key, no login and no session cookies. Use when the user wants to resolve an Instagram profile by @handle, sear…

    3,646 installs
  33. tiktok-scraper fetcher-sh/fetcher-skills

    A TikTok API alternative on fetcher.sh — pay-per-call in USDC via x402, or prepaid credits with a Bearer key, no login and no app review. Use when the user wants to search TikTok posts by keyword and sort by most-liked…

    3,616 installs
  34. reddit-api fetcher-sh/fetcher-skills

    A Reddit API alternative on fetcher.sh — pay-per-call in USDC via x402, or prepaid credits with a Bearer key, no OAuth app registration. Use when the user wants to search Reddit posts across every subreddit by keyword a…

    3,612 installs
  35. nestjs-drizzle-crud-generator giuseppe-trisciuoglio/developer-kit

    Generates complete CRUD modules for NestJS applications with Drizzle ORM. Use when building server-side features in NestJS that require database operations, including creating new entities with full CRUD endpoints, serv…

    3,606 installs
  36. x-api fetcher-sh/fetcher-skills

    An X API alternative and Twitter API alternative on fetcher.sh — pay-per-call in USDC via x402, or prepaid credits with a Bearer key, no OAuth and no developer application. Use when the user wants to search X posts by k…

    3,603 installs
  37. google-play fetcher-sh/fetcher-skills

    A Google Play Store API alternative on fetcher.sh — pay-per-call in USDC via x402, or prepaid credits with a Bearer key, no Google Play Console access. Use when the user wants to search Android apps by keyword with pric…

    3,598 installs
  38. better-auth giuseppe-trisciuoglio/developer-kit

    Provides Better Auth integration patterns for NestJS backend and Next.js frontend with Drizzle ORM and PostgreSQL. Use when setting up Better Auth with NestJS backend, integrating Next.js App Router frontend, configurin…

    3,565 installs
  39. contract-first affaan-m/ecc

    Coordinate frontend/backend or service-to-service work through one authoritative machine-checkable contract (OpenAPI, AsyncAPI, Protocol Buffers, or JSON Schema), with generated consumer types and contract-verified inte…

    3,561 installs
  40. using-ui-bundle-salesforce-data forcedotcom/sf-skills

    MUST activate when the project contains a uiBundles/*/src/ directory and the task involves ANY Salesforce record operation — reading, creating, updating, or deleting. Use this skill when building forms that submit to Sa…

    3,554 installs
  41. spring-boot-project-creator giuseppe-trisciuoglio/developer-kit

    Creates and scaffolds a new Spring Boot project (3.x or 4.x) by downloading from Spring Initializr, generating package structure (DDD or Layered architecture), configuring JPA, SpringDoc OpenAPI, and Docker Compose serv…

    3,528 installs
  42. dynamodb-toolbox-patterns giuseppe-trisciuoglio/developer-kit

    Provides TypeScript patterns for DynamoDB-Toolbox v2 including schema/table/entity modeling, .build() command workflow, query/scan access patterns, batch and transaction operations, and single-table design with computed…

    3,493 installs
  43. subgraph-builder goldsky-io/goldsky-agent

    Build, author, and deploy Goldsky Subgraphs — hosted GraphQL APIs over onchain data. Use when the user wants to create, scaffold, write, or deploy a subgraph; design a schema/entities; write or fix AssemblyScript mappin…

    3,448 installs
  44. subgraph-migrate goldsky-io/goldsky-agent

    Migrate a subgraph from The Graph to Goldsky as a drop-in replacement — no code changes required. Use this skill when the user wants to move, switch, port, or migrate a subgraph off The Graph (hosted service, Subgraph S…

    3,442 installs
  45. trello openclaw/openclaw

    Manage Trello boards, lists, and cards via the Trello REST API.

    3,428 installs
  46. db-migrate medusajs/medusa-agent-skills

    Run database migrations in Medusa

    3,398 installs
  47. wiremock-standalone-docker giuseppe-trisciuoglio/developer-kit

    Provides patterns and configurations for running WireMock as a standalone Docker container. Generates mock HTTP endpoints, creates stub mappings for testing, validates integration scenarios, and simulates error conditio…

    3,395 installs
  48. nodejs-express-server aj-geddes/useful-ai-prompts

    Build production-ready Express.js servers with middleware, authentication, routing, and database integration. Use when creating REST APIs, managing requests/responses, implementing middleware chains, and handling server…

    3,279 installs
  49. netlify-functions netlify/context-and-tools

    Write, configure, and deploy Netlify serverless functions in TypeScript, JavaScript, or Go. Use this when adding an API endpoint or backend route, adding a contact form handler, wiring auth or Identity signup/login hook…

    3,226 installs
  50. freee-api-skill freee/freee-mcp

    freee-mcp / freee-sign-mcp と連携するスキル。会計・人事労務・請求書・工数管理・販売・IT管理・固定資産・業務委託管理・サーベイ・開業・人事評価・申告・サイン（電子契約）の詳細APIリファレンスと使い方ガイドを提供。freee の経費申請・取引登録・勤怠打刻・給与明細・見積書・試算表・仕訳・従業員管理・工数登録・売上管理・SaaSアカウント管理・備品管理・固定資産管理・業務委託先の企業ユーザー/部門管理・サー…

    3,184 installs