Backend and APIs skills

13,192 tagged Backend and APIs, measured the same way as everything else here.

Browse within: LLM 148agents 117skills 114agent 88agentic-ai 85api 80azure 68antigravity 66ai-coding 63claude-code-plugin 61cursor 54cli 53cybersecurity 53javascript 52

vendure

553

niko91i/Skills-Vendure

Skill Claude CodeCodex

Assiste au développement avec le framework e-commerce Vendure pour Node.js. Gère le commerce headless, les APIs GraphQL, la gestion des commandes, les catalogues produits, l'intégration des paiements et le développement TypeScript e-commerce. Utiliser lors du travail sur des projets Vendure, la création de plugins, ou…

not rated 7 9mo ago A 78 tokens

api-design

554

dunialabs/mcp-servers

Skill Claude CodeCodex

RESTful API design best practices including resource naming, HTTP methods, status codes, filtering, pagination, authentication, and OpenAPI documentation. Use when designing or reviewing REST APIs, web APIs, or API endpoints.

not rated 7 6mo ago A 45 tokens original MIT

WesleySmits/agent-skills

Skill Claude CodeCodex

Generates boilerplate for e-commerce API integrations. Use when the user asks about WooCommerce, Shopify, Bol.com, or Etsy APIs, webhooks, product sync, or order handling.

not rated 7 9mo ago A 46 tokens

resonate-cli

556

resonatehq/resonate-skills

Skill Claude CodeCodex

Drive the Resonate server from the shell — start a server (serve / dev), create/resolve/search Durable Promises, create and delete cron schedules, manually invoke a function via invoke, walk a call-graph with tree, and inspect or recover tasks (tasks). Reach for this when the agent needs to poke a running Resonate…

not rated 7 2mo ago A 0 tokens original Apache-2.0

OscarDRT/supastarter-nextjs-skill

Skill Claude CodeCodex

Guides development with supastarter for Next.js only (not Vue/Nuxt): tech stack, setup, configuration, database (Prisma), API (Hono/oRPC), auth (Better Auth), organizations, payments (Stripe), AI, customization, storage, mailing, i18n, SEO, deployment, background tasks, analytics, monitoring, E2E. Use when building or…

not rated 7 9mo ago A 124 tokens original MIT

mcp-oauth

558

lucaperret/agent-skills

Skill Claude CodeCodex

Add OAuth 2.0 PKCE authentication to a remote MCP server. Use this skill whenever the user wants to add authentication to an MCP server, protect MCP tools with OAuth, implement login flow for an MCP connector, add user auth to an MCP endpoint, or set up token-based access for MCP. Also triggers on: 'MCP OAuth', 'MCP…

not rated 7 7mo ago A 140 tokens original MIT

rootcastleco/rei-skills

Skill Claude CodeCodex

Implement secure API design patterns including authentication, authorization, input validation, rate limiting, and protection against common API vulnerabilities.

not rated 7 yesterday A 29 tokens

api-docs-generator

560

patricio0312rev/skillset

Skill Claude CodeCodex needs its repo

Generates API documentation using OpenAPI/Swagger specifications with interactive documentation, code examples, and SDK generation. Use when users request "API documentation", "OpenAPI spec", "Swagger docs", "document API endpoints", or "generate API reference".

not rated 7 9mo ago A 54 tokens copy · 100% MIT

aspnet-core

561

spjoshis/claude-code-plugins

Skill Claude CodeCodex

Master ASP.NET Core with minimal APIs, MVC, middleware, dependency injection, and production-ready web applications.

not rated 7 8mo ago A 25 tokens

mcp-server-builder

562

archimedes-run/omniHarness

Skill Claude CodeCodex

Scaffold, generate, and test a FastMCP server that can be used as an MCP tool provider. Handles API wrapper, database connector, and custom tool templates.

not rated 7 3d ago A 39 tokens original MIT

gospec

563

singchia/gospec

Skill Claude CodeCodex

A Chinese-language guide for building and maintaining Go backend services. It covers how to organize code, design APIs, store data, test changes, deploy services, and handle operations.

not rated 7 6mo ago A 155 tokens original MIT

bun-api

564

dmythro/agent-skills

Skill Claude CodeCodex

Bun runtime API reference for TypeScript scripts. Covers Bun.serve() HTTP/HTTP/2 server with routes and WebSockets, fetch() transport options, proxies and Bun.FetchSession connection pools, Bun.ModuleGraph multi-instance apps, Bun.file(), Bun.write(), Bun.$() shell, Bun.spawn(), Bun.Glob, Bun.env, bun:sqlite…

not rated 7 changed 8d ago A SkillSpector: warn 265 tokens original MIT

echo-development

565

andersonlemesc/Oryntra

Skill Claude CodeCodex

Develops real-time broadcasting with Laravel Echo. Activates when setting up broadcasting (Reverb, Pusher, Ably); creating ShouldBroadcast events; defining broadcast channels (public, private, presence, encrypted); authorizing channels; configuring Echo; listening for events; implementing client events (whisper)…

not rated 7 6d ago A 94 tokens original Apache-2.0

datastar

566

VimCommando/datastar-skills

Skill Codex

Datastar-first web app development skill for backend-driven HTML over SSE, signal design, data- attribute usage, and Datastar interaction patterns. Use when building, reviewing, debugging, refactoring, or planning Datastar apps; when choosing what belongs in backend state vs signals; when authoring data- attributes or…

not rated 7 7mo ago A 80 tokens original MIT

build-mcp-server

567

backnotprop/build-mcp-server

Skill Codex

Design, scaffold, audit, and upgrade Model Context Protocol servers. Use when the user asks to build or migrate an MCP server, adopt MCP 2026-07-28, add dual-era support, create an MCP integration, expose an API or data source through MCP tools/resources/prompts, add OAuth or API-key auth to an MCP endpoint, run an…

not rated 7 changed 1mo ago A 99 tokens

api-harness

568

sabbour/agentweaver

Skill Claude CodeCodex

Use the API harness to drive Agentweaver through its REST API, capture the complete request/response evidence, and emit a normalized agentweaver.persona-judge-verdict/v1 JSON verdict. It is for backend/API end-to-end validation; use the UI or MCP harness for those surfaces.

not rated 7 changed 26d ago A 0 tokens original MIT

api-simulation

569

Aryan-Jhaveri/mcp-statcan

Skill Claude CodeCodex

Runs your code for real against stand-ins for the HTTP services it calls, served together as one environment on one local port or one deployed URL, whether that code is a service you're changing, a frontend, a test suite or a demo. Use when you add or change code that calls other services and need to run it, test it…

not rated 7 4d ago A 210 tokens original MIT

microtech-graphql

570

microtech-gmbh/microtech-skills

Skill Claude CodeCodex

Erstellt und optimiert GraphQL-Queries und Mutations fuer die microtech ERP microtech ERP. Deckt den gesamten ERP-Datenbestand ab: Artikel, Warengruppen, Stuecklisten, Adressen mit Anschriften und Ansprechpartnern, Vorgaenge (Angebote, Auftragsbestaetigungen, Lieferscheine, Rechnungen, Gutschriften, Bestellungen)…

not rated 6 7mo ago A 337 tokens original MIT

kyle641320/Scout4j

Skill Claude CodeCodex

General-purpose coding-agent workflow for Java enterprise backend projects. Use when implementing features, fixing bugs, refactoring, reviewing code/PRs, adding fields/APIs/database schema changes, changing REST/RPC endpoints, repository/mapper persistence, MQ/CDC consumers, transaction boundaries, JUnit/Mockito/Spock…

not rated 6 5mo ago A 95 tokens original MIT

climate-generator

572

disk0Dancer/climate

Skill Claude CodeCodex

Generate Go CLIs from OpenAPI 3.x specs with climate, inspect generated CLIs, and emit Markdown skill prompts so those CLIs can be attached to agent workflows.

not rated 6 3mo ago A 39 tokens original Apache-2.0

nextjs-redis-cache

573

leejpsd/nextjs-cache-handler

Skill Claude CodeCodex

Wire and operate @leejpsd/nextjs-cache-handler — Redis caching for self-hosted Next.js 15/16 (ISR cacheHandler + 'use cache' cacheHandlers). Use when adding Redis caching to a Next.js app, choosing or wiring cache handlers, debugging cache invalidation (revalidateTag / updateTag / revalidatePath, stale or…

not rated 6 2mo ago A 119 tokens original MIT

bitrix24/templates-mcp

Skill Claude CodeCodex

Skill "manage-bx24-template-mcp" from bitrix24/templates-mcp, covering bx24-template-mcp — agent skill, project context, ground rules, code review — persona walk and feedback mechanism.

not rated 6 1mo ago A 0 tokens original MIT

ncf-backend

575

PoulpYBifle/NCF-Coding-Best-Practices

Skill Claude CodeCodex

Patterns et regles backend/API/DB/securite pour projets Next.js + TypeScript. Utiliser des que l'utilisateur travaille sur une mutation, une query, une route API, une migration de base de donnees, de l'authentification, de la securite, des schemas Zod, de l'observabilite, ou toute logique serveur. Couvre : template…

not rated 6 8mo ago A 121 tokens

wzx2002/java-backend-unified-spec-skill

Skill Claude CodeCodex

Unified standard for Java backend project design, implementation, refactoring, and code review. Use whenever an AI coding agent (Claude Code, Codex, Cursor, Aider, etc.) needs to build or modify a Java backend that should follow module-first organization, preferred top-level module naming infrastructure / persistence…

not rated 6 5mo ago A 118 tokens

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: