Backend and APIs

NangoHQ/skills

Plugin Claude Code

Bundles 8 skills · 715 tokens together

Claude Code plugin that exposes skills for building and migrating Nango functions.

clarifyhq/skills

Skill Claude CodeCodex

Guidelines for working with the Clarify CRM API - includes authentication, endpoints, pagination, filtering, and CRUD operations for records.

zernio-dev/social-media-api-best-practices

Skill Claude CodeCodex

Best practices for integrating social media APIs (Instagram, TikTok, YouTube, Twitter/X, LinkedIn, Facebook, Threads, Pinterest, Bluesky, Snapchat, Google Business, Reddit, Telegram). Covers OAuth, AT Protocol, rate limiting, media uploads, encryption, and error handling. Use when building social media integrations…

full-stack-skills/spring-skills

Plugin Claude Code

Bundles 11 skills · 536 tokens together

Spring Boot ecosystem skills.

sattva2020/skills

Skill Claude Code

Implement authentication and authorization in web applications. Use when adding login, signup, sessions, JWT tokens, OAuth, SSO, API key auth, role-based access control (RBAC), permissions, protected routes, middleware guards, password hashing, MFA/2FA, refresh token rotation, CSRF protection, or integrating auth…

ogromwang/skills

Skill Claude CodeCodex

A design and implementation guide for Nanobot's scheduled-task system. It explains how scheduled jobs are stored, run asynchronously, and routed back to the conversation that created them.

yangjing/skills

Skill Claude CodeCodex

Use this skill when working on Rust backend code or docs for the Fusion stack (v0.3): fusions, fusion-common, fusion-core, fusion-db, fusion-web, fusion-rpc, fusion-security, fusion-ai, standalone fusion-sql, fusion-mq, fusion-weixin, fusion-storage, hetuflow. Covers DI + typed ModelManager over sqlx via DbxPostgres…

ferreyes/ai-specs

Cursor rule Cursor

Backend development standards, best practices, and conventions for the LTI Node.js/TypeScript/Express application including Domain-Driven Design, SOLID principles, architecture patterns, API design, and testing practices.

bybit-exchange/pay-docs

Skill Claude CodeCodex

Skill "skills" from bybit-exchange/pay-docs, covering bybit pay — ai integration skill, products overview, authentication (both products), required headers and signature construction.

sparsh2712/skills

Skill Claude CodeCodex

Domain-Driven Design implementation guidelines for async Python backends. Covers the 4-layer architecture (Infrastructure → Domain → Service → Interaction), the Repository pattern, Unit of Work, Aggregates, Value Objects, Entities, Bounded Contexts, and Ubiquitous Language. Use this skill whenever the user is building…

beingniloy/whmcs-dev-skill

Skill Claude CodeCodex

Advanced Senior WHMCS Developer & Architect skill for AI coding agents. Builds, debugs, maintains, and TESTS WHMCS Addon Modules, Provisioning (Server) Modules, Domain Registrar Modules, Payment Gateway Modules, and Action Hooks. Enforces WHMCS 8.x / 9.x best practices, modern PHP 8.1+/8.2+ standards, Laravel Capsule…

ElemontCapital/x-algorithm-skills

Plugin Claude Code

Bundles 8 skills · 393 tokens together

Comprehensive X Algorithm knowledge base, from Rust engineering to viral content strategy.

aureuserp/agent-skills

Skill Claude CodeCodex

Build or refactor AureusERP Laravel plugins using the project’s plugin-manager and Filament conventions. Use when creating/updating plugin service providers, plugin registration, install/uninstall flow, dependency setup, admin/customer panel wiring, ACL and role permissions, policies, resources/clusters/pages/widgets…

tecbay/laravel-ai-skills

Skill Claude CodeCodex

Create typed data objects (DTOs) in Laravel using spatie/laravel-data v4. One Data class replaces form requests, API resources, and TypeScript definitions. Covers creating data objects from requests/models/arrays, automatic validation, casts, transformers, lazy properties, collections, Eloquent casting, and TypeScript…

eparodi/deepcut-skills

Skill Claude CodeCodex

Go/chi backend development standards — layering, error handling, concurrency, state management, testing, database patterns, and common AI traps. Load when writing Go code in the backend/ directory.

Farzannajipour/cursor-react-rules

Command Claude CodeCursor

Set up a centralized API client with error handling, interceptors, and TypeScript types.

Wisleey/Skill-FLUIG-TOTVS-Cursor

Skill Claude CodeCodex

Implementa e altera processos Fluig/TOTVS (forms, events, workflow, datasets) seguindo o padrão do processo aberto. Use ao trabalhar com Fluig, TOTVS, Fluig Studio, displayFields, enableFields, validateForm, beforeSendValidate, servicetask, hAPI, zoom, pai-filho, datasets ou diagramas .process.

rage-rb/skills

Skill Claude CodeCodex

Develop and maintain Rage apps (Gemfile includes gem "rage-rb") - controllers, routing, server-sent events, deferred jobs, events, websockets, OpenAPI, logging/telemetry, sessions/cookies, and RSpec.

jakesterns/agent-skills

Plugin Claude Code

Bundles 1 skill · 27 tokens together

Creates or reviews API documentation for endpoints, SDKs, schemas, examples, errors, authentication, and compatibility behavior.

vaquarkhan/Fullstack-development-agent-skills

Plugin Claude Code

Bundles 129 skills, 10 commands · 5,059 tokens together

Fullstack UI, backend, microservice, and cloud delivery skills for Claude Code.

delphi-blocks/claude-plugins

Plugin Claude Code

Bundles 1 skill · 206 tokens together

Build MCP servers in Delphi with MCPConnect: create a new server (stdio, WebBroker or Indy), add tools, resources, templates, App UIs and prompts, and set up sessions, notifications and OAuth security.

Ultrathink-Solutions/fastmcp-gateway

MCP server Claude CodeCodexCursor +2

Progressive tool discovery gateway for MCP, built on FastMCP. Runs locally from the fastmcp-gateway Python package.

bitia-srl/bitia-vs-code-copilot-examples

Skill Claude Code

Generate and maintain concise API documentation from route handlers and data models.

ryanmichaeljames/dataverse-mcp

MCP server Claude CodeCodexCursor +2

An MCP server for interacting with Microsoft Dataverse environments during development. Runs locally from the dataverse-mcp Python package.