23,799 repositories keep their own agent configuration in the open: a CLAUDE.md, a rules file, instructions for Copilot, a skill the project runs on itself. These are not mods to install. They are worth reading for what they reveal — what a maintainer thinks an agent gets wrong.
Building agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| hetiankong/wechat-local-agent-mcp Local-first read-only MCP for querying and summarizing your own WeChat history | 3 | Codex, OpenCode | 1 | 1,870 tok |
| elemarin/renderoni elemarin.github.io Three.js renders. Rapier simulates. Renderoni makes it a game: an open-source 3D web game | 3 | Claude Code, Codex, OpenCode | 3 | 1,082 tok |
| axelfreeman/tapac-mcp tapacapi.com MCP server that finds and verifies B2B contacts in real time (websites, Discord, Telegram) | 3 | Codex, OpenCode | 1 | 407 tok |
| yongkyu4803/GQAI-GovtPress-mcp | 3 | Claude Code, Codex, OpenCode | 2 | 159 tok |
| nohosa001-pixel/security-gate-x402 npmjs.com The Zero-Trust Safety & Settlement Rail for Autonomous AI Agents. Sub-10ms deterministic g | 3 | Codex, OpenCode | 1 | 3,294 tok |
| ZiChenWang114514/cdxml-toolkit-community Moved: now maintained in ZiChenWang114514/chemdraw-skill (toolkit/) | 3 | Claude Code, Codex, OpenCode | 2 | 4,180 tok |
| getsimba-ai/simba-mcp getsimba.ai MCP server for SIMBA — connect AI assistants (Claude, Cursor) to Bayesian Marketing Mix Mo | 3 | Codex, OpenCode | 1 | 160 tok |
| claimidx/claimidx claimidx.com Prior art for AI agents. Public signed claim index of failures other agents have already p | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 4,342 tok |
| supernovae-st/nika-plugins docs.nika.sh One Add teaches your agent Nika: skills, commands, hooks, an MCP oracle. | 3 | Codex, OpenCode | 1 | 1,195 tok |
| HarperFast/skills Developer skills for building with Harper. Auto-generated from the documentation. | 3 | Codex, OpenCode | 1 | 140 tok |
| contentstack/contentstack-ios iOS SDK for Contentstack's Content Delivery API | 3 | Codex, OpenCode | 1 | 905 tok |
| grahama1970/extractor Advanced multi-format document processing with AI accuracy improvements - Enhanced marker- | 3 | Claude Code, Codex, OpenCode | 54 | 8,882 tok |
| AtlassianPS/JiraAgilePS PowerShell module to interact with Jira's Agile plugin | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,263 tok |
| JocysCom/SslScanner Scan SSL/TLS certificate and domain expiry dates. | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 8,260 tok |
| kestra-io/plugin-nats kestra.io Tasks that publish, subscribe, and work with NATS messaging. | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 399 tok |
| twohoursonelife/dictator A user management and utility Discord bot specifically built for Two Hours One Life. | 3 | Codex, OpenCode | 1 | 137 tok |
| owncloud/moodle-repository_ocis | 3 | Claude Code, Codex, OpenCode | 2 | 716 tok |
| RegestaItalia/trm-core docs.trmregistry.com Core Node.js library for TRM, the open-source package manager for SAP ABAP, implementing p | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 432 tok |
| ormastes/simple Self-hosted programming language and toolchain with Python-like syntax, native compilation | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 15 | 12,193 tok |
| adam-s-k-i/super-backlog adam-s-k-i.github.io One command to give any repo an AI agent workflow: Backlog.md task tracking + Superpowers | 2 | Claude Code, Codex, OpenCode | 2 | 1,760 tok |
| alrcatraz/astra-knowledge-base-mcp Knowledge base for AI Agent, supports vectorisation, SAG | 2 | Codex, OpenCode | 1 | 4,080 tok |
| ddong8/memento mem.ihasy.com A shared brain for your AI coding tools — collects conversations, plans and memory from Cl | 2 | Claude Code, Codex, OpenCode | 2 | 2,711 tok |
| MustaphaSteph/agent-bus Local message bus for Claude Code, Codex, and other MCP agents: one SQLite file, 65 MCP to | 2 | Claude Code, Codex, OpenCode | 2 | 457 tok |
| Chuan-Peng-Lab/SPE_Database A database that include trial-level data and meta-data from studies that used self-matchi | 2 | Claude Code, Codex, OpenCode | 2 | 6,091 tok |
| quangdang46/agents_environment_setup One-command provisioning and verification of complete AI coding agent environments with re | 2 | Codex, OpenCode | 1 | 5,495 tok |
| The-Utopia-Studio/skills the-utopia-studio.github.io Operator-grade AI skill marketplace for The Utopia Studio — 357 curated skills across GTM | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 948 tok |
| zywkloo/wtcraft npmjs.com Git-native agent governance core — task contracts and deterministic scope/verification che | 2 | Claude Code, Codex, OpenCode | 7 | 699 tok |
| ralvarezdev/ralvaskills skills.ralvarez.dev My personal, ever-growing collection of AI skills for OpenCode and Claude Code. Enforces s | 2 | Claude Code, Codex, OpenCode | 2 | 1,829 tok |
| cckyros/goal-acceptance Acceptance-criteria-driven goal completion for autonomous agents — core library, MCP serve | 2 | Codex, OpenCode | 1 | 1,070 tok |
| tigrisdata/skills Agent skills for interacting with object storage | 2 | Claude Code, Codex, OpenCode | 2 | 1,772 tok |
| stefanoverna/basecamp-mcp MCP server for Basecamp 3 with OAuth, TypeScript, and 47 tools for projects, messages, tod | 2 | Codex, OpenCode | 1 | 5,651 tok |
| bobleer/deepseek-harness-plugin-mcp MCP server that lets any agent discover, install, and run DeepSeek Harness plugins (topic: | 2 | Codex, OpenCode | 1 | 122 tok |
| Augustas11/antseed-explorer antfeed.org On-chain buyer intelligence for the AntSeed P2P AI services network on Base | 2 | Codex, OpenCode | 1 | 163 tok |
| Agenxy/dibs agenxy.org Tells agents what the others are working on, and where they collide. | 2 | Claude Code, Codex, OpenCode | 2 | 10,153 tok |
| banksynchq/banksync-mcp BankSync MCP server — connect AI agents to bank accounts, transactions, balances, and inve | 2 | Claude Code, Codex, OpenCode | 2 | 2,316 tok |
| SecondLifes/code-intel Hybrid semantic+keyword code search, RAG chat, and a 17-tool MCP server for Delphi/Pascal | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 50 | 8,454 tok |
| rajephon/k-lottery CLI + MCP server for purchasing Donghaeng Lottery Lotto 6/45 tickets, checking balances, a | 2 | Claude Code, Codex, OpenCode | 2 | 4,976 tok |
| sommio/qwen-omni-mcp An MCP server that gives Claude Code and other AI agents video, image, audio, and audio-vi | 2 | Claude Code, Codex, OpenCode | 10 | 1,894 tok |
| moorej2400/ai-memory-mcp Portable hybrid AI-memory MCP with Graphify-backed retrieval | 2 | Claude Code, Codex, OpenCode | 2 | 874 tok |
| xiaojiou176-open/multi-ai-panel xiaojiou176-open.github.io Compare-first, browser-native AI compare workspace for ChatGPT, Gemini, Perplexity, Qwen, | 2 | Claude Code, Codex, OpenCode | 2 | 2,544 tok |
| TheFractalyst/QuantConnectMCP QuantConnect/Lean MCP server - 6 tools for docs lookup, code validation, and code generati | 2 | Codex, OpenCode | 1 | 437 tok |
| dinglebear-ai/synapse npmjs.com Rust MCP and CLI server for local Synapse workflows: Docker/Compose control, host inspecti | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 5,463 tok |
| BuyWhere/buywhere BuyWhere agent-native product catalog API | 2 | Codex, OpenCode | 1 | 1,103 tok |
| dinglebear-ai/rgotify npmjs.com Rust MCP server and CLI for Gotify push notifications, with stdio/HTTP transports, auth, C | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 4,153 tok |
| dinglebear-ai/rapprise npmjs.com Rust MCP server and CLI for Apprise notification fan-out across dozens of delivery backend | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 1,363 tok |
| RoscoNL/intodns-mcp-server intodns.ai MCP server for IntoDNS.ai — free DNS, DMARC, SPF, DKIM, BIMI, MTA-STS, DNSSEC & email secu | 2 | Claude Code, Codex, OpenCode | 2 | 1,764 tok |
| neurarelay/relay-action-card neurarelay.com Run a Neura Relay Action Card and receive a governed Decision Receipt before execution. | 2 | Codex, OpenCode | 1 | 384 tok |
| energychain/cernion-energy-tools MicroService Agent System for Energy Markets | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 28 | 5,673 tok |
| Tempguru-co/tempguru-mcp tempguru.co MCP server for W-2 event staffing across 345 US/CA markets: plan_staffing planner, live ra | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 5,547 tok |
| GeiserX/lynxprompt-mcp MCP Server for LynxPrompt — browse, search, and manage AI configuration blueprints (AGENTS | 2 | Claude Code, Codex, OpenCode | 4 | 2,399 tok |