NeVibeCode · 86 items
Subagents for Backend and APIs
Subagents for Backend and APIs: what each one does, an install command and example prompts.
spring-boot-engineer subagent This subagent helps plan and build Spring Boot 3+ applications, including microservices and reactive services. Use it when a project involves cloud deployment or enterprise integrations.
336installs
platform-engineer subagent This subagent helps design internal developer platforms, GitOps workflows, and golden path templates. Use it when you are building self-service infrastructure or a developer portal.
291installs
csharp-developer subagent This subagent inspects .NET solutions and helps build C# applications, ASP.NET Core APIs, and Entity Framework Core features. Use it when async code or clean architecture is part of the task.
276installs
rust-engineer subagent Guides Rust 2021 development focusing on memory safety, zero-cost abstractions, and Miri validation. Handy for systems programming, embedded devices, and async services.
262installs
incident-responder subagent Guides on-call engineers through outage triage and production stabilization following SRE protocols. Activates incident command and structure during downtime.
CX Codex
265installs
slack-expert subagent This subagent builds Slack apps, connects Slack APIs, and reviews bot code for security. Use it when a project needs a Slack integration or audit.
246installs
rails-expert subagent Tailors Rails architecture to version 7.x or 8.x based on Gemfile.lock. Handles Hotwire, Solid Queue jobs, database migrations, and test suites.
199installs
dotnet-framework-4.8-expert subagent Maintains and modernizes legacy enterprise apps on .NET Framework 4.8. It handles Web Forms, WCF services, and Windows integrations without breaking existing systems.
187installs
elixir-expert subagent Reviews an Elixir project and helps implement changes using OTP, Phoenix, and Ecto. Use it when you need to reason about process architecture, fault handling, or tests.
167installs
backend-architect subagent A subagent for backend design work: service boundaries, API paradigm choice, database schemas and observability. Useful when the decision comes before the first line of code.
23,691installs
mcp-expert subagent Designs and configures Model Context Protocol servers for Claude Code. It prepares ready-to-use JSON manifests for databases, APIs, and file access.
6,052installs
supabase-schema-architect subagent A subagent that designs PostgreSQL schemas in Supabase, plans migrations and writes RLS policies. Useful when your database grows and access rules need sorting out.
3,839installs
scaffolder
official subagent Builds a single service skeleton from an approved architecture document and specification. Generates domain models, API stubs, and acceptance tests.
★ 44,635repo stars
architecture-critic
official subagent Subagent that audits architectural designs and modernized code with a skeptical lens. Spots over-engineering, unstated latency risks, and redundant service boundaries.
★ 44,635repo stars
performance-profiler subagent A Claude subagent that hunts down performance bottlenecks, memory leaks and load problems. Useful when an app is slow and the cause is not obvious.
1,875installs
TypeScript MCP Server Expert
official subagent Writes MCP servers in TypeScript: project layout, tools, transports, debugging. Useful when you want working code instead of generic advice.
★ 40,418repo stars
Swift MCP Expert
official subagent Walks you through MCP servers in Swift: transports, tool handlers, actor state. Useful when you build on the official Swift SDK.
★ 40,418repo stars
Salesforce Visualforce Development
official subagent A GitHub Copilot subagent that builds and audits Visualforce pages together with their Apex controllers.
★ 40,418repo stars
Power Platform MCP Integration Expert
official subagent Guides Power Platform custom connector development with MCP for Copilot Studio. Helps flatten Swagger schemas, validate packages, and secure OAuth flows.
★ 40,418repo stars
PostgreSQL Database Administrator
official subagent Subagent for managing PostgreSQL databases with the VS Code extension. It executes queries, inspects schemas, and handles admin tasks directly in Copilot.
★ 40,418repo stars
PHP MCP Expert
official subagent Assists in building Model Context Protocol servers in PHP 8.2+ using the official PHP SDK. Generates tools, resources, and prompts with PHP attributes.
★ 40,418repo stars
Expert Nuxt Developer
official subagent Guides Nuxt 3 and Nitro development with TypeScript typing. Helps configure data fetching via useFetch, resolve hydration issues, and structure server routes.
★ 40,418repo stars
Laravel Expert Agent
official subagent A GitHub Copilot subagent for Laravel 12+ work: Eloquent, Artisan, routes, PHPUnit tests. Useful once a Laravel project grows and you want a helper that knows the framework's conventions.
★ 40,418repo stars
Kotlin MCP Server Development Expert
official subagent Helps build Model Context Protocol servers in Kotlin using the official SDK, coroutines, and Ktor. Useful for wiring up tools, resources, and custom transports.
★ 40,418repo stars
Java MCP Expert
official subagent Guides development of Model Context Protocol servers in Java using MCP Java SDK 2.x. Useful when configuring stdio transports, tool schemas, or Spring AI 2.0+ integrations.
★ 40,418repo stars
Go MCP Server Development Expert
official subagent Builds Model Context Protocol servers in Go using the official Go SDK. Generates type-safe tools, resources, and transport configurations for Copilot.
★ 40,418repo stars
dotnet-fullstack-mentor
official subagent A .NET mentoring subagent that reviews your code and design choices by seniority tier, from junior to staff, with Clean Architecture and Aspire in mind.
★ 40,418repo stars
C# MCP Server Expert
official subagent Writes and debugs MCP servers in C#: tools, prompts, resources, dependency injection, stdio transport. Useful when you build on the ModelContextProtocol SDK.
★ 40,418repo stars
Azure SaaS Architect mode instructions
official subagent Configures an AI assistant into an Azure SaaS architect for multitenant platforms. Focuses on tenant isolation, scale units, and Well-Architected SaaS patterns.
★ 40,418repo stars
aws-serverless-architect
official subagent Guides AWS serverless architecture design using Lambda, API Gateway, and DynamoDB. Useful when you need ready IaC templates and event-driven patterns.
★ 40,418repo stars
Senior Cloud Architect
official subagent Designs system architecture, details non-functional requirements, and renders Mermaid diagrams without writing code.
★ 40,418repo stars
C# Expert
official subagent Guides the assistant through .NET and C# tasks. It enforces framework conventions, safe async/await patterns, and clean test structure.
★ 40,418repo stars
mcp-protocol-specialist subagent A subagent for Model Context Protocol work: transports, JSON-RPC 2.0, versioning and compliance across implementations.
781installs
graphql-performance-optimizer subagent A subagent that digs into slow GraphQL queries: finds N+1 patterns, wires up DataLoader, sets caching. Useful when a user list page drags for seconds.
599installs
x-api-integration subagent Builds search, monitoring and analytics on public X data, covering auth, rate limits, pagination and webhooks.
★ 26,065repo stars
fastapi-developer subagent A Claude subagent for building async Python APIs on FastAPI: Pydantic v2 models, dependency injection, OpenAPI docs.
★ 26,065repo stars
vector-database-engineer subagent A subagent for building vector search: picking a database, choosing embeddings, tuning indexes and hybrid retrieval for RAG.
CX Codex
★ 41,729repo stars
csharp-pro subagent A subagent for Claude, Codex and Cursor that writes modern C# and handles .NET work: refactoring, async, tests.
CX Codex
★ 41,729repo stars
backend-development-tdd-orchestrator subagent A subagent that runs the red-green-refactor loop: test first, then code, then cleanup. Useful when a project needs test discipline kept in place.
CX Codex
★ 41,729repo stars
event-sourcing-architect subagent A subagent for designing event-sourced systems: aggregates, projections, sagas and eventual consistency. Useful when you need a full audit trail or queries against past state.
CX Codex
★ 41,729repo stars
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