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
Mininglamp-OSS/octo-cli pkg.go.dev Metadata-driven CLI for AI Agent Bots — 48 operations across 7 domains, structured JSON en 922 Claude Code 1 5,044 tok
mulesoft/api-console An interactive REST console based on RAML/OAS files 906 Claude Code, Codex, OpenCode 2 1,444 tok
GewoonJaap/gemini-cli-openai Expose Gemini CLI endpoints as OpenAI API with Cloudflare Workers 895 GitHub Copilot 1 1,506 tok
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
zeromicro/go-queue Kafka, Beanstalkd Pub/Sub framework. 842 GitHub Copilot 1 7 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
christopherkarani/Wax christopherkarani.github.io Shared Single-file memory layer for all your agents, sub mili-second RAG over text, photo 806 Codex, OpenCode 1 1,641 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
fluxions-ai/vui fluxions.ai Vui Nano — a small, context-aware text-to-speech model trained on real conversations. 219M 777 Codex, OpenCode 1 2,201 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
4ier/neo Turn any web app into an API. Chrome extension captures browser traffic, auto-generates sc 756 Codex, OpenCode 1 1,121 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
Bayselonarrend/OpenIntegrations openintegrations.dev A set of integration tools for popular services and technologies for 1C:Enterprise, OneScr 688 Codex, OpenCode 1 5,815 tok
utilForever/RosettaStone utilforever.github.io Hearthstone simulator using C++ with some reinforcement learning 687 Codex, OpenCode 1 3,108 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
kuvasz-uptime/kuvasz kuvasz-uptime.dev Kuvasz (pronounce as [ˈkuvɒs]) is an open-source uptime and SSL monitoring service, with m 670 Codex, OpenCode 1 1,019 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
dougburks/so-crates SO-CRATES: Security Onion Containerized Rapid Analysis of Threats, Evil, and Sus! 625 Codex, OpenCode 1 13,057 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
sandiiarov/skill-creator Turn any MCP server, OpenAPI spec, or GraphQL endpoint into a CLI at runtime. 613 Codex, OpenCode 1 412 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