Backend and APIs plugins

contentful/skills

Plugin Claude Code

Agent skills for Contentful apps, APIs, migrations, and personalization.

Postman-Devrel/postman-claude-code-plugin

Plugin Claude Code

Full API lifecycle management for Claude Code. Sync collections, generate client code, discover APIs, run tests, create mocks, publish docs, and audit security. Powered by the Postman MCP Server.

FernandoJRR/solidifier

Plugin Claude Code

Apply SOLID principles and design patterns to backend code with judgment and restraint. Refactor, review, or structure backend code without over-engineering, scoped to chosen parts of the codebase and tuned by a configurable rigor level.

alfredoperez/angular-best-practices

Plugin Claude Code

Modern Angular best practices — 112 rules for Signals, RxJS, performance, SSR, testing, and architecture.

git-men/agentstudio

Plugin Claude Code

Content safety interceptor — checks user messages against a configurable safety API before they reach the AI engine.

sethdford/claude-skills

Plugin Claude Code

Design data architectures: data modeling, storage selection, data flow, integration patterns, data governance. Master polyglot persistence and event sourcing.

InsForge/insforge-skills

Plugin Claude Code

The backend platform for AI-native developers. A Postgres-based backend with auth, storage, compute, hosting, and AI gateway — built for coding agents. This plugin gives agents the full InsForge surface: database CRUD with RLS, authentication, storage, edge functions, AI, realtime, Stripe payments, and deployments.…

flavien-ia/hypervibe-harness

Plugin Claude Code

Bootstrap a full-stack T3 project (Next.js + tRPC + Drizzle + Tailwind + shadcn/ui) with modular addons for database, auth, payments, email, storage, i18n, analytics, domain, and SEO. Deploys to Vercel with GitHub integration.

bookforge-ai/bookforge-skills

Plugin Claude Code

14 agent skills for designing data-intensive systems — data models, storage engines, replication, partitioning, transactions, distributed failures, consistency, batch/stream processing, and data integration architecture. From Designing Data-Intensive Applications by Martin Kleppmann.

quarkusio/skills

Plugin Claude Code

Plugin marketplace listing 1 plugin: quarkus-appdev.

SaadRahman01/claude-moodle-dev

Plugin Claude Code

The most complete Moodle development toolkit: 13 skills, 8 slash commands, 2 subagents — covering scaffolding, XMLDB, capabilities, web services, Hooks API, AMD JS, PHPUnit, Behat, security, privacy/GDPR, performance, accessibility, themes, mobile, and cross-version upgrades. Ships with adapters for Cursor, Copilot…

mrlm-xyz/demo-claude-marketplace

Plugin Claude Code

Adds API security and governance agents, commands, and skills.

derrickko/clify

Plugin Claude Code

Generate self-updating CLI repos from API documentation URLs. Produces Node.js CLIs with agent framework wrappers, smoke tests, and a self-learning knowledge system.

OfficialBoomi/boomi-companion

Plugin Claude Code

Plugin marketplace listing 5 plugins: bc-integration, bc-marketplace, bc-datahub, bc-bdi, bc-agentstudio.

mcpware/instagram-mcp

Plugin Claude Code

23 Instagram Graph API tools — posts, comments, DMs, stories, analytics.

AratKruglik/claude-sdlc

Plugin Claude Code

ASP.NET Core backend + database stack provider (priority=100, detects appsettings.json). Provides aspnet-core-architect (Sonnet/medium — Minimal API / MVC, DTOs, FluentValidation, DI, Options, authorization, HTTPS/HSTS, EF Core stubs) and efcore-specialist (Sonnet/low — Fluent API config, migrations, indexes). Adds…

tanstack-skills/tanstack-skills

Plugin Claude Code

TanStack Start - Full-stack React framework with SSR, streaming, and server functions.

twilio/ai

Plugin Claude Code ✓ vendor

Complete set of Twilio skills. Covers Setup, Planner, Product, and Guardrail skills across SMS, Voice, WhatsApp, AI agents, Conversation Orchestrator, and 30+ products.

Hainrixz/agente-pagokit

Plugin Claude Code

Payment integration advisor + implementer for Claude Code. Analyzes your project, asks 3 questions (country, recurrence, local methods), recommends the best provider (Stripe, Mercado Pago, Wompi, Lemon Squeezy and more), and generates a production-ready integration with frontend, signed webhook, DB schema, customer…

alexanderop/claude-skill-vue-development

Plugin Claude Code

Modern Vue 3 development with TypeScript, Composition API, defineModel bindings, Testing Library for user-behavior tests, and MSW for API mocking.

maton-ai/api-gateway-skill

Plugin Claude Code

API gateway for calling third-party APIs with managed auth.

dr-robert-li/cowork-wordpress-expert

Plugin Claude Code

Expert WordPress diagnostics and site builder: structured investigations with intake questioning, site reconnaissance, parallel execution, findings verification, WordPress site generation as Local WP importable zips, and interactive modification sessions.

umbraco/Umbraco-CMS-Backoffice-Skills

Plugin Claude Code

Complete skill set for Umbraco backoffice customization - 57 skills covering Foundation concepts, Extension Types, Property Editors, Rich Text, Backend integration, and Setup tools.

atxtechbro/dotfiles

Plugin Claude Code

Plugin marketplace listing 1 plugin: dotfiles-commands.