Best API & Backend Skills for Claude Code

Professional API design and review skill for REST, GraphQL, and event-driven architectures.

Instantly generate a runnable Express or Flask mock API server from a description or OpenAPI spec.

Architect, build, and review production-grade Discord bots with structured guidance on commands, security, and scaling.

Advanced engineering intelligence for building scalable, reliable, and secure distributed backend systems.

Query Web3 and on-chain GraphQL endpoints using natural language via the Model Context Protocol.

Sleep Device Controller

by Edric Vale

Free

Control Eight Sleep pods through the API/CLI: authenticate, list devices, query sensor data, set temperature per side, manage alarms and schedules, and handle o

A full-stack LBS skill for POI search, route planning, travel itinerary automation, and heatmap visualization.

Python project routing for Web API/crawler/automation/data/CLI. FastAPI/Django/Flask selection, async patterns, deployment strategies.

Auth & Multi Tenant SaaS Foundation

by PubsProToolkit

$24

Scaffold a complete, production-ready auth and multi-tenant foundation — sessions, OAuth/SSO, role-based access control, organizations, teams, invitations, and row-level data isolation — wired to your app and database.

x402 api paywall

by Nex AI

Free

Add stablecoin micropayment paywalls to FastAPI and Express routes using the HTTP 402 standard.

Lms Assignment Fetcher

by Edric Vale

Free

Canvas LMS integration via REST API and a bearer token: fetch courses, modules, assignments, due dates, submissions and grades, then summarize upcoming deadline

Expert API architect to design, review, and audit REST, GraphQL, and event-driven API specifications.

Professional IGDB v4 API specialist for advanced game data fetching, Apicalypse queries, and image URL construction.

nex gemini api integration

by Nex AI

Free

A production-ready Python integration for Gemini using a unified AIProvider interface for easy model swapping.

nex whatsapp business notify

by Nex AI

Free

Enterprise-grade WhatsApp Business Cloud API integration for Python with session window management and webhook security.

nex clerk multitenant orgs

by Nex AI

$7

Implement Clerk Organizations multi-tenancy with local DB syncing, RBAC mapping, and secure webhook handling.

Stripe Subscription Engine

by PubsProToolkit

$24

Scaffold a complete, production-ready Stripe subscription system — Checkout, customer portal, hardened webhooks, plans, seats, proration, and dunning — wired to your database.

nex discord oauth pi

by Nex AI

Free

Production-ready Discord Embedded App SDK OAuth handshake for Node/Python backends and TypeScript frontends.

nex gamification xp badges

by Nex AI

Free

A production-ready XP engine, 10-tier level ladder, and achievement catalog for any application.

nex demo email outbox

by Nex AI

Free

Production-ready Resend integration with tracked outbox, open/click analytics, and per-archetype stats.

api contract validator

by Timoranjes

Free

Your OpenAPI spec says `GET /users/{id}` returns a `User` object with `name`, `email`, and `role`.

sending emails

by Daryna Ivanova

Free

Expert integration of Mailtrap Email API and SMTP for transactional and bulk email delivery at scale.

nex dashscope qwen setup

by Nex AI

Free

Generate a production-ready Python client for Alibaba Qwen models with text, vision, and reasoning tag filtering.

Distributed system architecture decisions. CAP/CQRS/caching/messaging patterns. Microservices, Serverless, AI-native architecture.