Backend and APIs: skills, plugins, subagents, slash commands and mcp servers

nextjs-developer VoltAgent Community subagent Subagent for building full-stack Next.js 14+ apps with App Router. It sets up Server Actions, tunes Core Web Vitals, and handles SEO metadata. Claude Code 898installs cpp-pro VoltAgent Community subagent A C++20/23 subagent focused on high-performance systems, template metaprogramming, zero-overhead abstractions, and sanitizer checks. Claude Code 781installs wordpress-master VoltAgent Community subagent Architect, optimize, and troubleshoot WordPress setups, from custom themes and plugins to WooCommerce and enterprise multisite networks. Claude Code 763installs api-designer VoltAgent Community subagent Designs REST and GraphQL API architectures, creates OpenAPI 3.1 specifications, and plans authentication. Useful when building new endpoints or refactoring old APIs. Claude Code 756installs architect-reviewer VoltAgent Community subagent Evaluates system design decisions, architecture patterns, and tech stack choices at a macro level. Useful before large-scale refactoring or when designing new service boundaries. Claude Code 743installs documentation-engineer VoltAgent Community subagent Generates and maintains developer documentation, API references, and architecture guides. Use it when project documentation falls behind your codebase. Claude Code 735installs connectivity-triage Seth Hobson skill Diagnoses active macOS network failures without modifying system settings. Helps isolate API timeouts, MCP disconnects, and DNS lookup issues. Claude Code CX Codex Cursor 743installs performance-engineer VoltAgent Community subagent A Claude Code subagent designed to identify performance bottlenecks across code, databases, and infrastructure under heavy load. Claude Code 671installs tech-stack-evaluator Alireza Rezvani skill Evaluates frameworks, libraries, and cloud providers with weighted scoring. Calculates five-year TCO and assesses migration risks before project kickoff. Claude Code 904installs java-architect VoltAgent Community subagent Designs enterprise Java 17+ architectures and configures Spring Boot 3.x microservices. Helps migrate services, isolate domain logic, and adopt reactive pipelines. Claude Code 558installs mongodb-performance-advisor official github subagent Analyzes MongoDB queries across your codebase and audits database performance using a readonly MCP server. Identifies slow operations and optimizes aggregation pipelines. GitHub Copilot 223installs apify-integration-expert official github subagent Integrates Apify Actors into JavaScript and Python codebases. Finds suitable Actors, drafts client code, and validates run outputs. GitHub Copilot 222installs api-design-reviewer Alireza Rezvani skill Audits REST API designs, spots breaking changes between spec versions, and calculates quality scorecards. Useful when reviewing PRs with endpoint changes or planning a v2 migration. Claude Code 768installs code-to-prd Alireza Rezvani skill This skill turns a codebase into a PRD covering pages, routes, APIs, and user actions. Use it when existing behavior needs product-readable documentation. Claude Code 763installs fintech-engineer VoltAgent Community subagent Designs payment systems, banking integrations, and compliance-focused financial services with strict transaction accuracy. Useful for payment gateways and KYC rules. Claude Code 518installs performance-profiler Alireza Rezvani skill This skill investigates CPU, memory, I/O, and database bottlenecks in Node.js, Python, and Go apps. Use it when tracking down a slow endpoint or rising memory use. Claude Code 720installs power-platform-architect official Tim Hanewich skill This skill turns business requirements, use cases, and meeting transcripts into a Power Platform solution architecture with component choices and Mermaid.js diagrams. GitHub Copilot 205installs kotlin-specialist VoltAgent Community subagent Subagent for Kotlin 1.9+ development across Android, Ktor, and multiplatform projects. It enforces coroutine patterns, clean functional code, and Detekt analysis. Claude Code 501installs database-schema-designer Alireza Rezvani skill This skill turns database requirements into relational schemas, ERDs, and migrations. Use it when planning tables for a feature or reviewing an existing design. Claude Code 692installs websocket-engineer VoltAgent Community subagent Designs and builds real-time communication systems using WebSockets or Socket.IO. Useful for presence tracking, rooms, and high-concurrency feeds. Claude Code 472installs observability-designer Alireza Rezvani skill Builds Grafana dashboard specs and cleans noisy alert configurations. It sets up baseline observability across metrics, logs, and traces before production traffic spikes. Claude Code 671installs payment-integration VoltAgent Community subagent A Claude Code subagent for integrating payment gateways, subscription lifecycles, and PCI DSS compliance into your codebase. Claude Code 463installs agent-workflow-designer Alireza Rezvani skill Designs multi-agent workflows with explicit handoff contracts and context controls. Useful when a single prompt fails to manage complex multi-step tasks. Claude Code 658installs mcp-server-builder Alireza Rezvani skill Generates production-ready MCP server scaffolding in Python or TypeScript directly from OpenAPI contracts. Ideal for exposing existing APIs to LLMs. Claude Code 644installs neo4j-docker-client-generator official github subagent Generates a clean Python client library for Neo4j from a GitHub issue, creating Pydantic models and repository classes. GitHub Copilot 183installs migration-architect Alireza Rezvani skill Plans database, service, and infrastructure migrations with compatibility checks and rollback paths. Use it for high-risk system changes. Claude Code 632installs saas-scaffolder Alireza Rezvani skill Scaffolds a full SaaS starter using Next.js 14+ App Router, Drizzle ORM, and Stripe. Ideal for quickly launching subscription web services with authentication. Claude Code 630installs payment-integration Seth Hobson subagent This subagent integrates Stripe, PayPal, and other payment processors, covering subscriptions, checkout, and webhooks. Use it for billing work. Claude Code CX Codex Cursor 463installs stripe-integration-expert Alireza Rezvani skill A Claude Code skill for Stripe subscriptions, one-time payments, usage-based billing, and webhooks. Use it when adding billing or debugging event delivery. Claude Code 612installs azure-cloud-architect Alireza Rezvani skill Designs Azure architectures, generates Bicep templates, and analyzes cloud costs. Useful when planning migrations or setting up Azure DevOps and GitHub Actions pipelines. Claude Code 607installs workflow-orchestrator VoltAgent Community subagent Designs state machines, process transitions, and compensation logic in Markdown or YAML specs. Ideal when you need to specify a multi-step workflow before running it. Claude Code 423installs email-template-builder Alireza Rezvani skill Builds transactional email systems with React Email or MJML, provider integrations and local previews. Use it for new templates, provider migrations or email localization. Claude Code 602installs laravel-specialist VoltAgent Community subagent A Claude subagent for Laravel 10+ and PHP 8.2+ work: Eloquent models, queues, API resources. Useful when a Laravel codebase needs structure, not guesswork. Claude Code 418installs spec-to-repo Alireza Rezvani skill This skill turns a natural-language spec into a runnable starter repository. Use it to move from requirements to a working codebase. Claude Code 573installs microservices-architect VoltAgent Community subagent Designs distributed architectures and breaks monoliths into independent microservices. Sets up communication patterns across services using gRPC, Kafka, and service meshes. Claude Code 376installs mcp-developer VoltAgent Community subagent Builds, tests, and optimizes Model Context Protocol (MCP) servers and clients. Connects AI models to external tools, databases, and custom services. Claude Code 366installs blockchain-developer Seth Hobson subagent Helps build and review smart contracts, DeFi protocols, and Web3 apps. Use it for blockchain infrastructure and integrations across several ecosystems. Claude Code CX Codex Cursor 375installs dotnet-core-expert VoltAgent Community subagent This subagent helps plan and build .NET applications, from minimal APIs to microservices and cloud deployment. Use it when a project needs architecture or performance guidance. Claude Code 348installs django-developer VoltAgent Community subagent Subagent for Django 4+ and Python 3.11+ web development in Claude Code. Handles ORM query optimization, Django REST Framework APIs, and async views. Claude Code 344installs chaos-engineering claude-code-skills skill Plans resilience experiments and computes blast radius. Helpful when running Game Day tests or verifying fault injection safely. Claude Code 486installs