2,688 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
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| xberg-io/html-to-markdown docs.html-to-markdown.xberg.io Turn messy, real-world HTML into clean Markdown, from every major language. | 887 | Claude Code, Codex | 3 | — |
| utensils/mcp-nixos mcp-nixos.io MCP-NixOS - Model Context Protocol Server for NixOS resources | 877 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 4,315 tok |
| modoojunko/awesome-novel-agent modoojunko.github.io Let an AI agent become your novel-writing partner. From world-building and character devel | 858 | Claude Code, Codex, OpenCode | 6 | 2,248 tok |
| lucky-aeon/AgentX AgentX aims to let beginners build their own Agents through natural language with no barri | 850 | Claude Code, Codex, OpenCode | 9 | 9,184 tok |
| anthonylee991/gemini-superpowers-antigravity Superpowers for Gemini's Antigravity (like Claude Superpowers) | 848 | Claude Code, Codex | 9 | — |
| sockudo/sockudo sockudo.io Blazingly fast pusher drop-in replacement written in rust | 843 | Claude Code, Codex, OpenCode | 4 | 5,564 tok |
| rennf93/fastapi-guard guard-core.com A security library for FastAPI that provides middleware to control IPs, log requests, dete | 825 | Claude Code, Codex, OpenCode | 2 | 6,279 tok |
| NVIDIA-AI-Blueprints/rag build.nvidia.com This NVIDIA RAG blueprint serves as a reference solution for a foundational Retrieval Augm | 819 | Claude Code, Codex, OpenCode | 2 | 2,166 tok |
| ThinkWatchProject/ThinkWatch thinkwat.ch Self-hosted AI API and MCP gateway for organizations: SSO and RBAC, per-user identity for | 814 | Claude Code | 1 | 1,011 tok |
| PaulJPhilp/EffectPatterns effect-patterns.vercel.app A community-driven knowledge base of practical patterns for Effect-TS. | 806 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 7 | 7,115 tok |
| ronak-create/FableCut Zero-dependency browser video editor that AI agents can drive — JSON timeline, MCP + REST, | 780 | Claude Code, Codex, OpenCode | 2 | 50,576 tok |
| onllm-dev/onWatch onwatch.onllm.dev Track AI API quotas across Synthetic, Z.ai, Anthropic (Claude Code), Codex, GitHub Copilot | 769 | Claude Code, Codex, OpenCode | 2 | 1,445 tok |
| msrbuilds/elementor-mcp emcptools.com WordPress MCP server with 234 Free tools and 547 total with Pro for building pages, managi | 760 | Claude Code | 1 | 52 tok |
| HelpCode-ai/anythingmcp anythingmcp.com Enterprise Agent Harness & MCP Gateway: connect APIs, databases, file servers and 600+ con | 755 | Claude Code, Codex, OpenCode | 2 | 1,631 tok |
| neo4j-labs/create-context-graph create-context-graph.dev AI agents with graph based reasoning memory, scaffolded in seconds | 745 | Claude Code | 1 | 12,544 tok |
| Olshansk/rss-feeds Generate RSS feeds for all the blogs that don't have one | 733 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 3,331 tok |
| rekog-labs/MCP-Nest A NestJS module to effortlessly create Model Context Protocol (MCP) servers for exposing A | 732 | Claude Code | 1 | 1,103 tok |
| marckohlbrugge/37signals-skills Unofficial agent skills + reference guide that teach AI coding assistants to write Rails t | 731 | Claude Code | 1 | 311 tok |
| peters/horizon GPU-accelerated terminal board that puts all your sessions on an infinite canvas | 720 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 14,717 tok |
| openstory-so/openstory openstory.so Open-source AI-powered video sequence platform built with TanStack Start | 695 | Claude Code, Codex, OpenCode | 14 | 12,964 tok |
| lablup/backend.ai backend.ai Backend.AI is a streamlined, container-based computing cluster platform that hosts popular | 679 | Claude Code, Codex, OpenCode | 18 | 2,675 tok |
| ThibautBaissac/rails_ai_agents thibautbaissac.github.io Specialized AI skills, agents, rules and hooks for modern Rails AI driven-development + Sp | 672 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 1,076 tok |
| universal-tool-calling-protocol/python-utcp utcp.io Official python implementation of UTCP. UTCP is an open standard that lets AI agents call | 665 | Claude Code | 1 | 871 tok |
| PKU-YuanGroup/OpenAI4S arxiv.org A Claude Science replica using the 9.9-yuan Doubao API | 662 | Claude Code, Codex, OpenCode | 2 | 8,229 tok |
| joaoh82/rustunnel rustunnel.com Self-hosted, secure tunnel server in Rust. Expose local HTTP/HTTPS/TCP/UDP services to the | 661 | Claude Code, Codex, OpenCode | 2 | 4,372 tok |
| membrane/api-gateway membrane-api.io API Gateway bridging modern and legacy APIs with WSDL-to-OpenAPI, SOAP-to-REST, XML, OAuth | 657 | Claude Code | 12 | 2,275 tok |
| jaswdr/faker pkg.go.dev :rocket: Ultimate fake data generator for Go with zero dependencies | 645 | Claude Code | 5 | 511 tok |
| nirholas/XActions xactions.app ⚡ The Complete X/Twitter Automation Toolkit — Scrapers, MCP server for AI agents (Claude/G | 644 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 11 | 8,538 tok |
| caidaoli/kiro2api | 642 | Claude Code | 1 | 1,249 tok |
| matiasbattocchia/open-bsp-api web.openbsp.dev Open-source WhatsApp + Instagram + TikTok Business platform | 639 | Claude Code | 3 | 1,620 tok |
| rootstrap/rails_api_base rootstrap.com API boilerplate project for Ruby on Rails 8 | 634 | Claude Code | 1 | 2,081 tok |
| waynesutton/markdown-site markdown.fast An open-source publishing framework built for AI agents and developers to ship websites, d | 627 | Claude Code, Codex, Cursor, OpenCode | 26 | 7,481 tok |
| operately/operately operately.com The open source company operating system. | 617 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 8,572 tok |
| provos/ironcurtain ironcurtain.dev A secure* runtime for autonomous AI agents. Policy from plain-English constitutions. (*htt | 616 | Claude Code, GitHub Copilot, Gemini CLI | 10 | 9,002 tok |
| apache/datafusion-python datafusion.apache.org Apache DataFusion Python Bindings | 612 | Claude Code, Codex, OpenCode | 6 | 2,055 tok |
| yoosuf/Messenger yoosuf.me Relational messaging database schema for one-to-one and group chat apps with attachments a | 609 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 805 tok |
| adaline/gateway adaline.ai The only fully local production-grade Super SDK that provides a simple, unified, and power | 607 | Claude Code, Codex, OpenCode | 10 | 1,698 tok |
| thunder-id/thunderid thunderid.dev ThunderID, an LF Decentralized Trust project, is a high-performance, open-source identity | 605 | Claude Code, Codex, GitHub Copilot, OpenCode | 14 | 1,678 tok |
| johnlindquist/mdflow mdflowdev.vercel.app Multi-backend CLI for executable markdown prompts. Run .md files against Claude, Codex, Ge | 604 | Claude Code, Codex | 1 | 8,625 tok |
| ZubeidHendricks/youtube-mcp-server zubeidhendricks.github.io MCP Server for YouTube API, enabling video management, Shorts creation, and advanced analy | 594 | Claude Code | 1 | 1,066 tok |
| uppinote20/claude-dashboard claude-dashboard.uppinote.dev Comprehensive status line plugin for Claude Code with context usage, API rate limits, and | 585 | Claude Code | 1 | 6,008 tok |
| southliu/south-admin-react southliu.top React-Admin backend management system template featuring React 19, Vite 7, Antd 5, UnoCSS, | 582 | Claude Code, Codex, OpenCode | 4 | 3,347 tok |
| redai-infra/Relax redai-infra.github.io An Asynchronous Reinforcement Learning Engine for Omni-Modal Post-Training at Scale | 580 | Claude Code, Codex, OpenCode | 8 | 2,533 tok |
| devopness/devopness devopness.com Devopness: AI DevOps on your cloud. Deploy apps, infra and CI/CD. Any cloud and any stack, | 577 | Claude Code, Codex, OpenCode | 2 | 583 tok |
| level09/enferno enferno.io Lean Flask framework built for coding agents: Vue 3 + Vuetify with no build step, producti | 569 | Claude Code, Codex, OpenCode | 2 | 1,582 tok |
| zai-org/Synapse synapse-zai-org.vercel.app Self-hosted AI workspace with shareable AI teammates, shared conversations, memory, and go | 563 | Claude Code, Codex, OpenCode | 17 | 5,342 tok |
| Doist/todoist-mcp A set of tools to connect to AI agents, to allow them to use Todoist on a user's behalf. I | 561 | Claude Code, Codex, OpenCode | 12 | 3,636 tok |
| halo-dev/upage upage.cn 🔥 A visual web-building platform based on large language models, an open-source alternati | 557 | Claude Code, Codex | 14 | 1,666 tok |
| arlanrakh/talk-to-girlfriend-ai im busy building ai agents so why not let an ai talk to my girlfriend? (i am single) | 551 | Claude Code | 1 | 645 tok |
| caura-ai/caura caura.ai Caura (formerly MemClaw) — governed shared memory for AI agent fleets. Multi-agent, multi- | 549 | Claude Code | 2 | — |