23,222 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| GktuOktay/ai-skills 🚀 Universal Open-Source AI Agent Skills & Rules Library for Antigravity, Cursor, Claude C | 2 | Codex, GitHub Copilot, OpenCode | 2 | 8,202 tok |
| stormlive-ai/ag-sdd npmjs.com Spec-Driven Development (SDD) harness & skill suite for Google Antigravity (AGY), Gemini 3 | 2 | Codex, OpenCode | 1 | 2,613 tok |
| martin-francois/symphony-trello Turn Trello cards into isolated, autonomous Codex implementation runs, allowing teams to m | 2 | Claude Code, Codex, OpenCode | 16 | 1,135 tok |
| adammatthewsteinberger/clippy-pet adammatthewsteinberger.github.io Unofficial animated paperclip pet for the ChatGPT desktop app & Codex CLI. 9 animations, 1 | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 2,330 tok |
| igovet/codex-cortex-orchestrator Cortex - Reliable multi-agent orchestration for complex software engineering work in Codex | 2 | Codex, OpenCode | 1 | 2,576 tok |
| sureclaw-ai/copr copr.fedorainfracloud.org https://sureclaw.com.au/ | 2 | Claude Code, Codex | 1 | — |
| kei-prog/shikigami A fast, lightweight TUI for managing development workspaces | 2 | Codex, OpenCode | 1 | 723 tok |
| Reedtrullz/codex-antigravity-auth pypi.org Released local Responses API gateway bringing Google Antigravity Claude Opus/Sonnet, Gemin | 2 | Codex, OpenCode | 1 | 1,605 tok |
| ilyautov/cordon aifrontier.tech A deterministic layer between untrusted content and agent actions: it removes the hidden l | 2 | Codex, OpenCode | 1 | 1,405 tok |
| agentlint/agentlint agentlint.sh The Lighthouse for AI coding agents. Audit any repo for how ready it is for Claude Code, C | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 3,497 tok |
| bysiber/agents-md-tools Lint, secure, and manage AGENTS.md files — the open standard for AI coding agents. ESLint | 2 | Codex, OpenCode | 1 | 250 tok |
| youwei792/agentsmd CI for your AI agent's instructions — generate a grounded AGENTS.md, validate every comman | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 573 tok |
| Fred-In-tech/learn-as-you-build Stop shipping code you can't explain. An AI coding assistant that teaches while it works — | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,658 tok |
| rhyme17/ai-study-workflow AI-assisted active recall workflow for university learning, final exam review, course PDFs | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 537 tok |
| aliasunder/vault-onboarding Give your AI agents persistent memory and session continuity in your Obsidian vault — a co | 2 | Claude Code, Codex, OpenCode | 2 | 1,849 tok |
| ngoctranfire/discord-mcp-server An MCP server that gives AI assistants full control of Discord — manage channels, messages | 2 | Codex, OpenCode | 1 | 315 tok |
| bestimmaa/roon-mcp npmjs.com MCP server to control Roon music player via AI agents | 2 | Claude Code, Codex, OpenCode | 2 | 246 tok |
| WIndFate/legal-ai-agent Production-grade legal AI agent reference implementation — LangGraph + pgvector RAG + MCP | 2 | Claude Code, Codex, OpenCode | 2 | 1,994 tok |
| piyushptiwari1/mcpkernel pypi.org The Security Kernel for AI Agents — MCP/A2A gateway with policy enforcement, taint trackin | 2 | Claude Code, Codex, GitHub Copilot | 8 | 2,161 tok |
| chriswu727/sibyl pypi.org Evidence retrieval for AI agents. Search, extract, deduplicate, rank, and return auditable | 2 | Codex, OpenCode | 1 | 1,391 tok |
| tubealfred/mcp tubealfred.com Bring YouTube transcripts, comments and channel data into Claude, ChatGPT and Cursor. No Y | 2 | Codex, OpenCode | 1 | 549 tok |
| sandraschi/streamfog-mcp Fastmcp 3.2 server plus webapp for controlling streamfog ar facefilter | 2 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 1,755 tok |
| VitexSoftware/mcp-server-abraflexi MCP server for AbraFlexi integration using FastMCP and python-abraflexi | 2 | Codex, OpenCode | 1 | 1,072 tok |
| Raed2180416/holt raed2180416.github.io See what coding agents changed across Git worktrees. Inspect duplicates, collisions and de | 2 | Claude Code, Codex, OpenCode | 5 | 1,120 tok |
| pnmcguire480/cairntir Local-first persistent memory MCP server for Claude Code, Codex, Cursor, Qwen Code, and AI | 2 | Claude Code, Codex, OpenCode | 2 | 3,528 tok |
| jpantsjoha/pinescript-plugin jpantsjoha.com Pine Script v6 skills and MCP tooling for coding agents — backed by a real validator, not | 2 | Codex, Gemini CLI, OpenCode | 2 | 627 tok |
| shayanline/msloop-mcp MCP server for Microsoft Loop. No app registration required, reuses your existing Loop web | 2 | Codex, OpenCode | 1 | 1,341 tok |
| ukolov-dev/mcp-project-context-router Local-first project memory, context packs, backlog, and verification workflows for coding | 2 | Codex, OpenCode | 1 | 185 tok |
| davidsolheim/grok-chrome-bridge Chrome extension that lets Grok Build attach to the profile you mark Active. | 2 | Codex, OpenCode | 1 | 152 tok |
| postalform/agent-mail-mcp postalform.com Send physical mail from an AI agent. An open MCP server for agent-payable mail - print and | 2 | Codex, OpenCode | 1 | 279 tok |
| babybuddy/babybuddy-mcp | 2 | Codex, OpenCode | 1 | 1,227 tok |
| snow-wind-001/CodeRecoder CodeRecoder: MCP for recode the Code | 2 | Claude Code, Codex, OpenCode | 2 | 1,280 tok |
| t-rhex/obsidian-mcp-server MCP server for Obsidian vaults — direct filesystem access with git sync, wikilinks, and fr | 2 | Claude Code, Codex, OpenCode | 2 | 839 tok |
| rementum/rementum rementum.dev Self-hosted shared memory infrastructure for AI agents with versioned knowledge and confli | 2 | Claude Code, Codex, OpenCode | 2 | 2,187 tok |
| JorgeSintes/puregym-mcp | 2 | Codex, OpenCode | 1 | 768 tok |
| GWLlosa/elite-dangerous-local-ai-tie-in-mcp Model Context Protocol server for Elite Dangerous integration with Claude Desktop and EDCo | 2 | Codex, Cursor, OpenCode | 2 | 2,201 tok |
| Avinava/sf-documentation-knowledge npmjs.com Salesforce documentation knowledge system — MCP server + Knowledge Graph for AI agents | 2 | Claude Code, Codex | 1 | — |
| MikeCase/arcane-mcp arcanemcp.splaq.us MCP server for Docker management via the Arcane API | 2 | Claude Code, Codex, OpenCode | 2 | 2,387 tok |
| oscarjpicazo/spacedata Aggregated public space data (satellite orbits, catalogs, conjunctions, launches) as an AI | 2 | Claude Code, Codex, OpenCode | 2 | 1,594 tok |
| gjjisadog/scipdf-mcp MCP + skill: download academic paper PDFs by DOI/title (one-step install) | 2 | Claude Code, Codex, OpenCode | 2 | 465 tok |
| codestable/cs-agent-mcp | 2 | Codex, OpenCode | 1 | 662 tok |
| YuJunWang/104-job-hunter-mcp A job search automation tool that enables AI assistants to directly operate 104 Job Bank t | 2 | Codex, OpenCode | 1 | 2,188 tok |
| TresorAlad/Software-Factory-MCP Turn Cursor into a local software factory: 10 MCP agents (architect, QA, security...) | 2 | Codex, OpenCode | 1 | 521 tok |
| MALeitch/live-ketcher-mcp MCP server connecting AI assistants to a live Ketcher structure editor (open-source ChemDr | 2 | Codex, OpenCode | 1 | 3,063 tok |
| grglzrv/jenkins-mcp-server Secure-by-design Jenkins MCP server with runtime guardrails. Minibridge integration for Re | 2 | Codex, OpenCode | 1 | 35 tok |
| mirsella/context7-account-broker context7.com Quota-aware Context7 MCP broker with multi-account routing, caching, affinity, failover, a | 2 | Codex, OpenCode | 1 | 65 tok |
| padzup/linkavista-mcp | 2 | Codex, OpenCode | 1 | 360 tok |
| alexechoi/google-hotels-mcp Google Hotels MCP | 2 | Claude Code, Codex, OpenCode | 2 | 1,438 tok |
| Joe15935/ios-agent-bridge An open-source control plane that gives Codex and other MCP agents hands on a real iPhone. | 2 | Codex, OpenCode | 2 | 443 tok |
| sandraschi/midasheng-gen-mcp MCP server generating coherent 16 kHz mixed audio scenes from text - speech, music, sound | 2 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,231 tok |