24,815 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| dgpl-mcps/linux_system_mcp | 5 | Codex, OpenCode | 1 | 9 tok |
| agentmail-to/agentmail-smithery-mcp docs.agentmail.to Moved to agentmail-to/agentmail-mcp; no maintained code or deployment lives here. | 5 | Codex, OpenCode | 1 | 3,836 tok |
| cyanheads/cdc-health-mcp-server npmjs.com Search and query CDC public health data — mortality, vaccinations, surveillance, behaviora | 5 | Claude Code, Codex, OpenCode | 2 | 30,222 tok |
| 2aronS/qdrant-scale Agent skills for scaling Qdrant vector search deployments | 5 | Codex, OpenCode | 1 | 453 tok |
| shervinemp/CodebaseMCP | 5 | Codex, OpenCode | 1 | 605 tok |
| Grinv/tmdb-mcp npmjs.com MCP server for The Movie Database (TMDB) with IMDb/Rotten Tomatoes/Metacritic ratings via | 5 | Claude Code, Codex, OpenCode | 10 | 2,664 tok |
| Grinv/steam-games-mcp npmjs.com MCP server for Steam: keyless store/catalog data (deals, tags, SteamOS/Deck/Frame compat) | 5 | Claude Code, Codex, OpenCode | 2 | 3,096 tok |
| DrRataplan/fonto-docs-mcp MCP server for Fonto XML documentation — search and fetch API docs directly in Cursor, Cla | 5 | Codex, OpenCode | 1 | 1,041 tok |
| 0spoon/seamless thereisnospoon.org Local-first shared memory and task coordination for AI coding agents. One Go binary, MCP s | 5 | Claude Code, Codex, OpenCode | 2 | 9,708 tok |
| davidmosiah/withings-mcp wellness.delx.ai Unofficial local-first Withings MCP server for AI health, sleep and activity agents. | 5 | Codex, OpenCode | 1 | 158 tok |
| amyodov/yet-another-agentic-chat pypi.org YAAC: yet-another-agentic-chat. Messaging between concurrent AI coding sessions, across cl | 5 | Claude Code, Codex, OpenCode | 3 | 10,042 tok |
| derekslinz/meta-data-mcp linzalytics.com A meta-mcp (mmcp) server offering a window into the exciting world of open data sources by | 5 | Codex, OpenCode | 1 | 1,623 tok |
| astandrik/local-ydb-toolkit local-ydb-toolkit.ydb-qdrant.tech Codex skill and MCP server for operating Docker-based local YDB deployments, locally or ov | 5 | Codex, OpenCode | 1 | 2,200 tok |
| mpmcgowen/metricui metricui.com React component library for analytics dashboards — KPI cards, charts, tables, and more wit | 5 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| humanity4ai/project_human humanity4ai.github.io 9 humanity skills for AI agents — crisis detection, WCAG audits, empathy, cultural sensiti | 5 | Codex, GitHub Copilot, OpenCode | 2 | 3,112 tok |
| ctxfile/ctxfile ctxfile.dev Local-first MCP server that snapshots your project's working state into one context object | 5 | Claude Code, Codex, OpenCode | 2 | 3,648 tok |
| planetscale/mcp-server planetscale.com PlanetScale mcp-server tools | 5 | Claude Code, Codex, Cursor, OpenCode | 3 | 10 tok |
| smaniches/alphafold-sovereign-mcp pypi.org BioMed MCP over AlphaFold DB + 8 public sources, with SQLite knowledge graph, offline mode | 5 | Codex, OpenCode | 1 | 776 tok |
| yarrasys/kdbx Per-project secrets in local KeePassXC vaults, injected into commands without ever printin | 5 | Claude Code, Codex, OpenCode | 2 | 3,246 tok |
| shaumik/PokeArena An MCP server that lets LLM agents play Pokémon battles. | 5 | Codex, OpenCode | 1 | 5,449 tok |
| tinygodsdev/bitext-word-alignment | 5 | Claude Code, Codex, OpenCode | 2 | 1,110 tok |
| yaver-io/yaver.io yaver.io | 5 | Claude Code, Codex, OpenCode | 2 | 32,820 tok |
| arch3rPro/dsh-skills Generalized development-specification skills distilled from DeepSeek Harness's engineering | 5 | Claude Code, Codex, OpenCode | 2 | 772 tok |
| s0fractal/warrant s0fractal.github.io Signed, hash-addressed decision records for AI agents, with reasons you can re-run | 5 | Codex, OpenCode | 1 | 786 tok |
| toolbox-playground/super-claudio A curated Claude Code plugin with skills for anything Claude can do. | 5 | Claude Code, Codex, OpenCode | 2 | 1,456 tok |
| aliasunder/agent-skills Agent skills for AI coding agents — trip planner, Obsidian vault, and more | 5 | Claude Code, Codex, OpenCode | 2 | 805 tok |
| z29k/notabene z29k.github.io Leave notes in the margins of your repo's docs then let your AI agent apply them, resolve | 5 | Claude Code, Codex, OpenCode | 2 | 12,056 tok |
| echennells/sparkbtcbot x.com Agent skill for Spark Bitcoin L2 wallet capabilities including L402 for AI agents | 5 | Claude Code, Codex, OpenCode | 2 | 4,027 tok |
| gryszzz/Kaspa-Ai-Agent-Skill gryszzz.github.io Kaspa sovereign architect engine ; engineering skill for AI agents, with source-gated prot | 5 | Codex, OpenCode | 1 | 753 tok |
| nsokin/leia Leia - bulk playlist to Yoto MYO tool | 5 | Claude Code, Codex | 1 | — |
| strale-io/strale strale.io New tools for your agent. No new accounts. One connection to a growing library of tools ag | 5 | Claude Code, Codex, OpenCode | 7 | 29,160 tok |
| ManceRayder42/jarvis-os A memory hub and curated skill set for Claude Code — persistent memory that loads from any | 5 | Claude Code, Codex, OpenCode | 1 | 439 tok |
| coroboros/agent-skills coroboros.com AI agent skills for Claude Code and compatible agents — workflow, coding, design, Claude C | 5 | Codex, OpenCode | 1 | 511 tok |
| mpbt-hq/starfleetctl multi agent coordination / command & control toolkit following the Startrek fleet metaphor | 5 | Codex, OpenCode | 1 | 82 tok |
| cosgroveb/debian-packaging-agent-skill Debian packaging skill with comprehensive policy, debhelper, and language-specific knowled | 5 | Codex, OpenCode | 1 | 206 tok |
| kaltura/kaltura-agents-api-guides kaltura.md Everything AI agents need to master the full Kaltura platform — The Agentic Digital Experi | 5 | Claude Code, Codex, OpenCode | 5 | 8,819 tok |
| kelegele/oh-my-pm Oh-My-PM - Product Manager AI Agent Workflow System via Claude Code Skills | 5 | Claude Code, Codex, OpenCode | 2 | 4,470 tok |
| augchan42/inkstone sixlines.online 硯台 — Claude Code skills for creative and design workflows. Ink painting prompts from class | 5 | Claude Code, Codex, OpenCode | 2 | 4,012 tok |
| deanpeters/product-manager-antagonist-skills Structured dissent skills for product practitioners preparing for consequential decisions | 5 | Codex, OpenCode | 1 | 7,613 tok |
| natnew/Awesome-Agentic-Engineering natnew.github.io A curated map of agentic AI systems — covering architectures, frameworks, memory, evaluati | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 7,303 tok |
| initxy/ai-native Make any repo AI native — fewer skills, conventions over steps, so any agent can cold-star | 5 | Codex, OpenCode | 1 | 330 tok |
| hesprs/synthkernel hesprs.github.io 🧩 A type-safe and composable architecture for modular monolith development in TypeScript. | 5 | Codex, OpenCode | 1 | 137 tok |
| topprismdata/cultivating-ml-agent A self-improving ML agent that compounds capability across projects through knowledge crys | 5 | Codex, OpenCode | 1 | 3,602 tok |
| netresearch/typo3-testing-skill Agent Skill for creating and managing TYPO3 extension tests | Claude Code compatible | 5 | Codex, OpenCode | 1 | 939 tok |
| ddtcorex/maestro-skills Universal AI Agent Development Skills Hub & Cordis Plugin for Govard, Magento 2, Laravel. | 5 | Claude Code, Codex, OpenCode | 2 | 5,723 tok |
| CSKishan/ame-skill Agent skills for VS Code, Google Antigravity, and Claude Code — spec-before-code interview | 5 | Codex, OpenCode | 1 | 1,499 tok |
| TechSpokes/skill-base-template Skill template for AI agents | 5 | Codex, GitHub Copilot, OpenCode | 4 | 1,892 tok |
| ethanolivertroy/drata-cli Unofficial generated CLI for Drata's public API, built from published OpenAPI specs and op | 5 | Claude Code, Codex, OpenCode | 2 | 324 tok |
| jthingelstad/mb Micro.blog CLI and local MCP server built for agents: structured output, composable comman | 5 | Claude Code, Codex, OpenCode | 2 | 3,550 tok |
| Blakeem/AI-Prompt-Guide-MCP aipromptguide.com Deprecated. MCP server and Claude Code plugin with task driven agent orchestration workflo | 5 | Claude Code, Codex, OpenCode | 2 | 2,900 tok |