Backend and APIs

3,550 projects whose own agent configuration covers backend and apis. These are not mods to install — they are how the maintainers of these repositories tell an agent what to do, and what to avoid.

All projects Building agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
Langerrr/distributed-architect A reasoning framework plugin for Claude Code that helps LLMs catch distributed system bugs 1 Claude Code 1 1,207 tok
voidvec/drogon-claude-plugin Drogon C++ backend Claude Code plugin: async discipline rules, 17 code-generation skills, 1 Claude Code, Codex, Gemini CLI, OpenCode 3 7,000 tok
richer-richard/cc-research Multi-agent deep research on Claude models: a Claude Code plugin + Agent SDK CLI sharing o 1 Codex, OpenCode 1 962 tok
KeelStack-me/engine-cursorrules AI agent rules for KeelStack Engine — strict 8-layer architecture guardrails for Cursor, C 1 Cursor 1 6,496 tok
punt-labs/postern Drive a live Pharo image from Claude Code, Codex or any HTTP client — full development cyc 1 Claude Code, Codex, OpenCode 7 4,637 tok
jianyun8023/kimi-responses-adapter OpenAI Responses API compatibility layer for the Kimi Code Anthropic API. 1 Codex, OpenCode 1 942 tok
rogermt/forgesyte ForgeSyte is a modular AI‑vision MCP server 1 Claude Code, Codex, Gemini CLI, OpenCode 3 7,761 tok
jaxhemopo/tg-cli-bridge telegram CLI Bridge for antigravity, gemini and Claude CLI agents 1 Claude Code, Gemini CLI 2 1,306 tok
CalvinTTooS/prompt-optimizer Optimize prompts for Claude & Gemini with local, privacy-first PII anonymization: a Window 1 Claude Code, Codex, OpenCode 2 3,417 tok
llegomark/desmond desmond-one.vercel.app A special AI chat application built with love for a curious 6-year-old who loves learning 1 Claude Code 1 1,567 tok
rendis/mcp-openapi-proxy Turn any OpenAPI 3.x spec into a fully functional MCP server — automatically. One binary, 1 Codex, OpenCode 1 1,804 tok
luizvb/gemini-cli-adk-bridge Local, text-only bridge from Google ADK LlmAgent to the installed Gemini CLI through FastA 1 Codex, OpenCode 1 1,045 tok
omas-odoo/odoo-superpowers Odoo development skills for AI coding agents — a Claude Code plugin (also Codex & Gemini C 1 Claude Code, Codex, Gemini CLI, OpenCode 3 593 tok
masternazz/ai-gateway Self-hosted Node.js gateway — route Telegram messages and emails to Claude, Gemini CLI, or 1 Claude Code, Codex, OpenCode 2 358 tok
KeenMate/pure-admin-icons icons.pureadmin.io Search engine for open-source SVG icons. Aggregates 15,000+ icons from FluentUI, Font Awes 1 Claude Code, Codex, OpenCode 2 5,856 tok
zamax14/Copilot-Tools Custom prompts, agents, skills, instructions y hooks para github copilot. 1 Claude Code, GitHub Copilot 13 6,855 tok
lsampaioweb/ai-instructions Centralized VS Code Copilot configuration repository for software development and infrastr 1 Claude Code, GitHub Copilot, Cursor 54 32,542 tok
MarcelRoozekrans/AgenticAI Template for AI-assisted development workflows using agentic primitives and context engine 1 GitHub Copilot 5 2,515 tok
Udhayaboopathi/A-complete-AI-Agent-Instruction-Library I stopped letting AI invent my architecture. I built an open-source AI Agent Instruction 1 Cursor 1 —
RayanZaki/laravel-starter My personal starter template for laravel api projects with production and development dock 1 GitHub Copilot 1 1,518 tok
stefaniuk/loadout 🤖 A curated, specification-first library of copy-ready prompts, instruction packs, skills 1 GitHub Copilot 15 92,564 tok
ephrin/openapi-mcp-bridge npmjs.com Transform OpenAPI definitions into MCP (Model Context Protocol) tools for seamless LLM-API 1 Claude Code 1 1,235 tok
nunosoarescsw/copilot-agentic-workshop A full-day, self-paced workshop to build agentic AI workflows with GitHub Copilot — Instru 1 Claude Code, Codex, GitHub Copilot 8 1,955 tok
ChiliJoe/apex-copilot-workspace-template Starter workspace and workflow template for AI-assisted Oracle APEX development. Includes 1 GitHub Copilot 3 2,417 tok
blitznihar/task-tracker-copilot-md Sample application best practices for using instruction files, prompt files and agent md f 1 Codex, GitHub Copilot, OpenCode 6 3,151 tok
hydershah/nextjs-ai-template AI-optimized web dev template with auto-routing Claude Code sub-agents, GitHub Copilot & O 1 Claude Code, Codex, GitHub Copilot, OpenCode 4 1,049 tok
lalrow/copilot-java-sample Enterprise Spring Boot 3 / Java 21 sample project with GitHub Copilot instruction files an 1 GitHub Copilot 5 3,958 tok
johnmathews/unified-documentation-server 1 Claude Code 1 915 tok
XavierBeheydt/mcp-kraken mcp-kraken.beheydt.dev MCP server wrapping the Kraken cryptocurrency exchange Spot REST API over HTTP. 1 Claude Code 1 1,688 tok
adamcfield/zoho-analytics-mcp-worker Zoho Analytics API v2 as a remote MCP server on Cloudflare Workers — ~101 tools (SQL query 1 Claude Code 1 1,338 tok
manateeit/confluence-mcp A Model Context Protocol (MCP) server for publishing Markdown documents to Confluence with 1 Claude Code 1 486 tok
zenjoy/realtime-register-mcp dm.realtimeregister.com An MCP server for interacting with the RealtimeRegister API 1 Claude Code 1 1,062 tok
marius-cetanas/macos-mail-mcp MCP server for Apple Mail (macOS Mail.app) — read, search, compose, and manage emails via 1 Claude Code 6 8,167 tok
Limecooler/fda-mcp MCP server providing LLM-optimized access to FDA data via the OpenFDA API 1 Claude Code 1 641 tok
yigitkonur/example-mcp-sse reference MCP server over SSE transport — calculator domain, teaching patterns 1 Claude Code 1 640 tok
technophile-04/sre-mcp 1 Claude Code 3 5,279 tok
NimbleBrainInc/mcp-ipinfo MCP server for IPInfo API - IP geolocation, ASN lookup, privacy detection, and domain inte 1 Claude Code 1 994 tok
Knuckles-Team/archivebox-api ArchiveBox API and MCP Server 1 Claude Code, Codex, OpenCode 2 3,975 tok
ivo-toby/contentful-mcp-graphql MCP Server to enable LLM's to connect to the Contentful GraphQL Endpoints 1 Claude Code 1 296 tok
andrewconnell/senja-mcp MCP server for the Senja testimonial API 1 Claude Code 1 470 tok
ifoundry/engineering-standards-mcp Model Context Protocol (MCP) server for managing engineering standards, practices, and pro 1 GitHub Copilot 1 530 tok
sandraschi/observability-mcp FastMCP 3.2 observability server for monitoring MCP ecosystems with OTel and Grafana 1 Claude Code, Codex, Cursor, OpenCode 4 516 tok
johnie/traktamente-mcp traktamente.app An MCP that provides access to Swedish traktamente (per diem) rates from Skatteverket's of 1 Claude Code, GitHub Copilot 4 2,864 tok
adrianmikula/JakartaMigrationMCP 1 Codex, Cursor, OpenCode 4 4,267 tok
Agarwal-Saurabh/multiapimcpserver Convert multiple openAPI spec into single mcp server 1 GitHub Copilot 1 520 tok
bcharleson/zoom-agent-cli npmjs.com CLI and MCP server for the Zoom API — built for humans and AI agents 1 Claude Code, Codex, OpenCode 2 3,418 tok
fabriciofs/mcp-postgres 1 Claude Code 12 —
kotevcode/whatsapp-mcp MCP server connecting to WhatsApp via Baileys – read group messages, stats, and send messa 1 Claude Code 2 233 tok
titanzero/outlook-mcp MCP server for Claude to access Outlook data via Microsoft Graph API 1 Claude Code 1 1,299 tok
sliuuu/equinix-fabric-mcp Model Context Protocol (MCP) server for Equinix Fabric API - enables AI assistants to mana 1 Claude Code 1 774 tok