44,969 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| ArogyaReddy/alirezarezvani-claude-skills | 39 | Gemini CLI | 139 | — |
| qualixar/skillfortify pypi.org First formal security scanner for AI agent skills & plugins. Static analysis, supply chain | 39 | Codex, OpenCode | 1 | 656 tok |
| adamzhang1987/kingdee-k3cloud-skill adamzhang1987.github.io Kingdee MCP companion Skill (Kingdee K3Cloud Skill) — injects Kingdee Cloud Galaxy form fi | 39 | Claude Code | 1 | 439 tok |
| Foxfire1st/agents-remember foxfire1st.github.io A branch-aware, dual-revision epistemic ledger and control plane for AI coding agents. Fro | 39 | Claude Code, Codex, OpenCode | 17 | 2,531 tok |
| odds-api/odds-api odds-api.net OpenAPI sports betting odds API for coding agents with REST examples, SDKs, MCP, mock mode | 39 | Codex, OpenCode | 1 | 863 tok |
| ReviewStage/luke tryluke.dev An open-source software factory | 39 | Claude Code, Codex, OpenCode | 5 | 7,119 tok |
| harness/harness-evals Harness Evals | 39 | Claude Code, Codex, OpenCode | 2 | 8,084 tok |
| backblaze-labs/awesome-video-generation blze.ai A curated list of AI video generation APIs, SDKs, and tools including text-to-video, video | 39 | Claude Code | 1 | 923 tok |
| cskwork/oh-my-symphony cskwork.github.io Multi-agent fork of OpenAI Symphony — drives Codex, Claude Code, Gemini, and Pi CLIs from | 39 | Codex, OpenCode | 1 | 839 tok |
| bluemoonfoundry/daz-mcp-server MCP server wrapping the DazScriptServer HTTP plugin for DAZ Studio | 39 | Claude Code, Codex, OpenCode | 2 | 3,331 tok |
| Dangooy/trade-pipeline-skill AI-powered foreign trade document automation (Skill edition): automatically generate quota | 39 | Claude Code | 1 | 942 tok |
| Kokxi/qa-test-skills A software testing skill set with 48 expert-level testing skills and one entry workflow, c | 39 | Claude Code, Codex, OpenCode | 2 | 2,595 tok |
| ratacat/pro-cli Agent native CLI for querying ChatGPT Pro and Deep Research through your own logged-in web | 39 | Claude Code, Codex, OpenCode | 2 | 515 tok |
| slopus/happy-agent happy.engineering Universal Agent Harness from Happy that works with any subscription | 39 | Claude Code, Codex, OpenCode | 3 | 6,673 tok |
| TheCraigHewitt/sales-skills 21 AI agent skills for the full B2B sales lifecycle. Works with Claude Code, Cursor, Winds | 39 | Claude Code | 1 | 2,168 tok |
| riseup-oss/mcp Official MCP server for RiseUp — programmatic read-only access to your cashflow data | 39 | GitHub Copilot | 1 | 1,123 tok |
| WaseemGhanem98/AgentCheck Behavioral testing for AI agents. | 39 | Codex, OpenCode | 1 | 1,617 tok |
| aicayzer/companies-house-mcp companies-house.uk Unofficial CLI and MCP server for the UK Companies House API company search, profiles, off | 39 | Claude Code | 1 | 1,155 tok |
| imsai-sh/dsh-1024store deepseek1024.com DeepSeek Harness plugin store, marketplace, and hub — 11,000+ dsh plugins with search, ran | 39 | Claude Code, Codex, OpenCode | 2 | 3,304 tok |
| velane-sh/velane velane.sh Velane is agentic cloud for deploying your basic workflows, agents and sub-agents. 800+ OA | 39 | Claude Code, Codex, OpenCode | 3 | 2,532 tok |
| DojoCodingLabs/hacienda-cr TypeScript SDK, CLI & MCP Server for Costa Rica electronic invoicing (Hacienda API) | 39 | Claude Code, Codex, OpenCode | 2 | 1,748 tok |
| marcomuser/conformal npmjs.com Type-safe form submissions for the modern web. | 39 | Codex, OpenCode | 1 | 669 tok |
| prebid/salesagent A media sales agent that implements the AdCP Media Buy protocol | 39 | Claude Code, Codex, OpenCode | 20 | 12,841 tok |
| JYYYYYT/dev-report-weekly Local-first desktop app that turns reviewed Git history into auditable weekly reports with | 38 | Codex, OpenCode | 1 | 253 tok |
| zeabur/agent-skills zeabur.com Claude Code & Codex plugin for Zeabur CLI operations, deployment, and troubleshooting. | 38 | Claude Code, Codex, OpenCode | 2 | 1,036 tok |
| ghostwright/specter ghostwright.dev Deploy AI agents to dedicated VMs in 90 seconds. Interactive TUI. Automatic DNS and TLS. Y | 38 | Claude Code | 1 | 1,884 tok |
| Karel0001/old-school-academic-writer | 38 | Claude Code | 1 | — |
| kkeeling/zoho-mcp | 38 | Claude Code | 1 | 315 tok |
| rohansx/ctxgraph ctxgraph.io privacy-first context graph engine for AI agents and human teams. | 38 | Claude Code | 1 | — |
| sam-dumont/claude-skills | 38 | Claude Code | 1 | 1,155 tok |
| yang3kc/cursor_latex_template Cursor configuration for LaTeX projects | 38 | Claude Code | 1 | 619 tok |
| tankpkg/tank tankpkg.dev Security-first package manager for AI agent skills | 38 | Claude Code, Codex, OpenCode | 3 | 8,837 tok |
| rp1-run/rp1 rp1.run Ready Player One - stop prompting; start shipping | 38 | Claude Code, Codex, OpenCode | 2 | 4,082 tok |
| shyftai/WEBOS shyft.ai Content Operating System — content marketing, SEO, social media, publishing. Create it. Pu | 38 | Claude Code | 31 | 553 tok |
| pedrocivita/tocket Tocket Transmition Protocol | 38 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 2,338 tok |
| paceaitian/paceflow Deterministic workflow enforcement and persistent engineering memory for long-running codi | 38 | Claude Code | 1 | 1,101 tok |
| exiw-ai/proofloop AI orchestrator that runs until done. Define what "done" means, go to sleep, wake up to ve | 38 | Claude Code | 1 | 551 tok |
| Pretend-to/mio-chat-backend ai.krumio.com 🤖 MioChat — An open-source operating system for agents. Three-level Agent / Session / Sub | 38 | Claude Code, Codex, OpenCode | 2 | 5,952 tok |
| pontjs/pontx pontx.dev OpenAPI lifecycle management for API discovery, documentation, type-safe SDK generation, C | 38 | Claude Code, Codex | 2 | 2,315 tok |
| Nayshins/ummon The semantic layer for software engineering: Connect code to meaning, build on understan | 38 | Claude Code | 1 | 926 tok |
| clubpay/ronykit API Framework supporting REST and RPC. | 38 | Claude Code, Codex, OpenCode | 3 | 2,140 tok |
| worktale/worktale-cli Your dev story, told beautifully. Worktale turns your git history into a personal record | 38 | Claude Code | 1 | — |
| streetrace-ai/streetrace streetrace.ai Open runtime + DSL for structured multi-agent systems. | 38 | Claude Code | 11 | 2,745 tok |
| breakstring/agent-deck breakstring.github.io A local-first hardware control surface for Codex — live task status, quota, pets, and safe | 38 | Codex, OpenCode | 1 | 2,638 tok |
| regenrek/codex-proofloop Git-based test distillation for Codex agents: catch aggressively, commit reluctantly | 38 | Codex, OpenCode | 1 | 350 tok |
| jamesmontemagno/spec-driven-app-template This is a template for using agent mode with MCP servers to do research driven development | 38 | GitHub Copilot | 2 | 200 tok |
| smucclaw/l4-ide This project is being continued by Legalese: | 38 | Claude Code, Codex, OpenCode | 2 | 1,552 tok |
| giantswarm/mcp-debug Command-line tool for debugging MCP servers | 38 | Windsurf | 1 | 5,515 tok |
| nirholas/UCAI ucai.ninabrekkerese.workers.dev Universal Contract AI Interface (UCAI) 🔗 ABI to MCP | The open standard for connecting AI | 38 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 926 tok |
| Copenhagen0x/solana-security-standard jelleo.com Solana's SOL-0XX security standard — bug-class rules distilled from $514M of real exploits | 38 | GitHub Copilot | 1 | 2,098 tok |