24,842 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 |
|---|---|---|---|---|
| untitled-developers/shopify-mcp untitled-developers.github.io | 0 | Claude Code, Codex, OpenCode | 2 | 784 tok |
| minghsuy/ctscout-mcp MCP server for ctscout.dev — domain discovery via Certificate Transparency | 0 | Codex, OpenCode | 1 | 761 tok |
| connxio/cli Connxio CLI and MCP server for AI-assisted Connxio management workflows | 0 | Claude Code, Codex, OpenCode | 2 | 2,392 tok |
| bunizao/edstem-mcp edstem.tuuhub.com Use Ed Discussion from any MCP client. | 0 | Codex, OpenCode | 1 | 2,362 tok |
| arrrnmp/discord-mcp MCP server for 80+ Discord API endpoints. Member management, moderation, and messaging, wi | 0 | Claude Code, Codex, Gemini CLI | 3 | 1,923 tok |
| TadMSTR/ntfy-mcp MCP server for sending push notifications via ntfy. One tool, no database, stateless — it' | 0 | Codex, OpenCode | 1 | 307 tok |
| josecarlos3390/sap-hana-mcp-server | 0 | Codex, OpenCode | 1 | 2,395 tok |
| playbattlegrid/battlegrid-mcp BattleGrid MCP server — play crypto prediction games from AI agents | 0 | Claude Code, Codex, OpenCode | 2 | 6,268 tok |
| GravityKit/drip-mcp-server gravitykit.com MCP server for Drip email marketing API integration | 0 | Codex, OpenCode | 1 | 2,447 tok |
| WilliamLINWEN/bitbucket-mcp | 0 | Codex, OpenCode | 1 | 933 tok |
| nikzdevz/OBSMCP OBS MCP / Obsidian MCP for project continuity, multi-session AI workflows, semantic code c | 0 | Claude Code, Codex, OpenCode | 3 | 705 tok |
| nikolasbarwicki/mcp-prompt-lab Prompt evaluation workbench as an MCP server — run evals, compare providers, and test as | 0 | Claude Code, Codex, OpenCode | 2 | 241 tok |
| RyanDam/EssentialMCP EssentialMCP for local LLM | 0 | Codex, OpenCode | 1 | 594 tok |
| celfons/mcp | 0 | Codex, OpenCode | 1 | 360 tok |
| ncleton-petitmaker/greenweez-mcp Unofficial Greenweez MCP server and CLI with verified cart mutations. | 0 | Claude Code, Codex, OpenCode | 2 | 1,771 tok |
| seepine/minimax-coding-plan-mcp Mcp Server For MiniMax of web_search and understand_image | 0 | Codex, OpenCode | 1 | 55 tok |
| 84emllc/google-calendar-mcp MCP server for Google Calendar - event management via Model Context Protocol | 0 | Claude Code, Codex, OpenCode | 8 | 2,496 tok |
| greybeam/mcp Greybeam MCP server | 0 | Claude Code, Codex, OpenCode | 2 | 2,506 tok |
| PirAhmedShah/Super-Productivity-MCP MCP server for Super Productivity. Manage tasks, projects, tags via AI assistants | 0 | Claude Code, Codex, OpenCode | 16 | 984 tok |
| XamuAvila/chrome-workflows Claude workflows for testing in claude chrome and improve testing with Playwright and Brow | 0 | Claude Code, Codex, OpenCode | 10 | 1,786 tok |
| shelizi/coding-tools-mcp coding-tools-mcp | 0 | Claude Code, Codex, Cursor, OpenCode | 11 | 2,084 tok |
| itsnotrwanman/croncron croncron.vercel.app The easiest way to run cron jobs — plain-English schedules, auto logs & history, missed-ru | 0 | Codex, OpenCode | 1 | 565 tok |
| humbertolvarona/opencode-web-audit-mcp-python OpenCode Web Audit MCP | 0 | Codex, OpenCode | 1 | 253 tok |
| ncleton-petitmaker/carrefour-drive-mcp Carrefour Drive MCP and CLI backed exclusively by an isolated Carrefour web session in Cam | 0 | Claude Code, Codex, OpenCode | 2 | 266 tok |
| verginglabs/mcp | 0 | Codex, OpenCode | 1 | 204 tok |
| JustUzair/diligence-ai-order-ops-mcp | 0 | Codex, OpenCode | 1 | 1,715 tok |
| 757607106/gjp-cyb-mcp | 0 | Codex, OpenCode | 1 | 2,108 tok |
| senseiBas/mcp-server | 0 | Codex, OpenCode | 1 | 2,238 tok |
| haliphax-ai/openclaw-tools-mcp-server MCP server that exposes OpenClaw tools to ACP agents (Kiro, Codex, Claude Code, etc.) | 0 | Codex, OpenCode | 1 | 814 tok |
| clchinkc/document-mcp Model Context Protocol Tools for Document Management | 0 | Claude Code, Codex, OpenCode | 33 | 10,059 tok |
| cybrium-ai/mcp-server MCP server for Cybrium security tools — SAST, secrets, IaC, K8s, supply-chain. Works with | 0 | Codex, OpenCode | 1 | 582 tok |
| tripcher/canon | 0 | Codex, OpenCode | 1 | 3,773 tok |
| kardaj/openapi-tools-mcp MCP server powered by fastMCP for inspecting local OpenAPI specs. It exposes tools for lis | 0 | Codex, OpenCode | 1 | 353 tok |
| Veedubin/Super-Memory-TS TypeScript implementation of Super-Memory MCP server with local embeddings and vector sear | 0 | Codex, OpenCode | 1 | 1,852 tok |
| fvanevski/gh_mcp | 0 | Codex, OpenCode | 1 | 3,350 tok |
| v0o0v/assetcache-mcp | 0 | Claude Code, Codex, OpenCode | 2 | 4,848 tok |
| MolCrafts/molmcp MCP Infrastructure for MolCrafts | 0 | Claude Code, Codex, OpenCode | 2 | 2,963 tok |
| nikondrat/cctx-mcp MCP server for AI agents: code structure instead of a wall of text. smart_read, find_symbo | 0 | Claude Code, Codex, Cursor, OpenCode | 13 | 1,561 tok |
| major/ldap-mcp | 0 | Codex, OpenCode | 1 | 982 tok |
| sinnhirl/cdt-smart-snapshot Token-efficient snapshot MCP server for Chrome DevTools Protocol: smart_snapshot, snapshot | 0 | Codex, Cursor, OpenCode | 2 | 618 tok |
| klx1204/SiliconFlow-Vision-MCP | 0 | Codex | 1 | — |
| azgem102-max/obsidian-excalidraw-universal-mcp Let Claude and Codex write and draw inside Obsidian, with support for popular Excalidraw s | 0 | Claude Code, Codex, OpenCode | 2 | 4,228 tok |
| ExaDev/document-mcp MCP server exposing documents.js's document conversion, editing, and .odb functionality as | 0 | Claude Code, Codex, OpenCode | 2 | 4 tok |
| vnikhilbuddhavarapu/postgresql-mcp PostgreSQL MCP Server | 0 | Codex, OpenCode | 1 | 441 tok |
| hope4b/mcp MCP server for working with Onto | 0 | Codex, OpenCode | 1 | 969 tok |
| iMayuuR/contexthub | 0 | Claude Code, Codex, OpenCode | 2 | 3,988 tok |
| Substrate-memory/codex-substrate-memory Substrate organizational memory for OpenAI Codex: MCP tools plus notify-hook capture. | 0 | Codex, OpenCode | 1 | 83 tok |
| zierocode/pir2-academy-sheets-reader-mcp Read-only local Google Sheets MCP Bundle built for PiR2 Academy Advanced Claude Cowork | 0 | Codex, OpenCode | 1 | 181 tok |
| cyberbird2048/gbrainmcp-clean Privacy-cleaned GBrain MCP - Personal knowledge brain with hybrid RAG search | 0 | Codex, OpenCode | 1 | 1,416 tok |
| subtype-space/subspace-trmnl subtype.space (Formally known as subspace-api) - subspace-trmnl is the service that runs all subspace's | 0 | Claude Code, Codex, OpenCode | 2 | 3,178 tok |