24,879 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 |
|---|---|---|---|---|
| aavaz-ai/gmail-mcp Minimal Gmail MCP for approved sending and label management | 0 | Codex, OpenCode | 1 | 1,137 tok |
| tharunn2007/nitrostack-hackathon Repository for MCP server application for Nitrostack AI hackathon | 0 | Claude Code, Codex | 5 | — |
| janakir2006/idea-validator-mcp | 0 | Claude Code, Codex | 5 | — |
| agentx402-ai/agentscout Open-source clients for AgentScout — x402-paid web read/extract/crawl for agents: SDK, CLI | 0 | Claude Code, Codex, OpenCode | 2 | 1,710 tok |
| siebert-julien/zotero-api-mcp MCP server for Zotero | 0 | Codex, OpenCode | 1 | 688 tok |
| DmitriyOT/mcp-codebase MCP server for semantic codebase navigation: AST index of symbols, imports and dependencie | 0 | Codex, OpenCode | 1 | 2,770 tok |
| Dev-Russo/session-handoff-mcp Local-first MCP server for structured session handoff between coding agents. | 0 | Codex, OpenCode | 1 | 614 tok |
| kstephens1/h_mortgage h mortgage chat ui and associated mcps | 0 | Codex, OpenCode | 1 | 112 tok |
| yavdaanalytics/context-optimiser Context window optimizer and session rotator MCP server for agentic workflows. | 0 | Claude Code, Codex, OpenCode | 2 | 1,054 tok |
| abdul-hamid-achik/minerva minervacli.dev Agent library operator and stack readiness CLI/MCP for ~/.agents skills, profiles, and hon | 0 | Claude Code, Codex, OpenCode | 2 | 218 tok |
| AEcru/codex-capability-bridge Portable Claude Code plugin + MCP bridge: discover local Codex skills/plugins and delegate | 0 | Claude Code, Codex, OpenCode | 2 | 409 tok |
| kkollsga/codingest Polyglot code-graph builder for kglite knowledge graphs: 14-language tree-sitter parsing, | 0 | Codex, OpenCode | 1 | 5,566 tok |
| SioYooo/RepoGrammar sioyooo.github.io Local-first repository context for coding agents — MCP + CLI with source-backed patterns a | 0 | Claude Code, Codex, OpenCode | 11 | 4,096 tok |
| notreallycheeks/hwprobe-mcp MCP server giving AI agents deep hardware inventory + live sensor telemetry (temps, fans, | 0 | Codex, OpenCode | 1 | 361 tok |
| cookaihq/aihub-mcp | 0 | Claude Code, Codex, OpenCode | 2 | 116 tok |
| procube-cx/fizzy-mcp | 0 | Codex, OpenCode | 1 | 1,040 tok |
| Romone6/Callable Pre-release command layer for turning reviewed business workflows into auditable agent-cal | 0 | Claude Code, Codex, OpenCode | 2 | 654 tok |
| Sakura-Byte/discourse-mcp Discourse MCP with curl-impersonate (impers) for Cloudflare-protected forums | 0 | Codex, OpenCode | 1 | 785 tok |
| InstaSoft-hu/keypro-cli KeyPro.hu B2B webshop CLI + MCP server - thin client (npm: @keypro/cli) | 0 | Codex, OpenCode | 1 | 6,469 tok |
| SudarshanKomar/pulse MCP-enabled network emulation platform using Mininet and FRRouting for realistic protocol | 0 | Codex, OpenCode | 1 | 3,069 tok |
| jihongboo/appstoreconnect-mcp | 0 | Codex, OpenCode | 1 | 596 tok |
| sc28249782/GPTkms Local-first KMS for Codex and ChatGPT Work using markdown, MCP, and workflow skills. | 0 | Codex | 3 | — |
| zelinsky-alexander/mcp-drift-lab Measure whether real MCP clients preserve informed consent when tool definitions evolve af | 0 | Codex, OpenCode | 1 | 272 tok |
| nimocat/fishbowl Fishbowl: local-first engineering memory for failures, decisions, evidence, and verificati | 0 | Codex, OpenCode | 1 | 310 tok |
| mvagnon/opencode-mcp Deprecated. | 0 | Codex, OpenCode | 1 | 1,107 tok |
| mbvillaverde/openapi-atlas-mcp | 0 | Codex, OpenCode | 1 | 594 tok |
| Maheshdayyala/CampusMind-AI Build an MCP server called CampusMind AI — a persistent academic memory system for student | 0 | Claude Code, Codex | 5 | — |
| janakir2006/Factory-mcp-Hackathon | 0 | Claude Code, Codex | 5 | — |
| ling5477/CAD-MAX CAD MCP tool | 0 | Codex, OpenCode | 1 | 1,741 tok |
| haladamateusz/ledger Personal finance ledger for importing Revolut transactions into SQLite, running spending r | 0 | Codex, OpenCode | 1 | 690 tok |
| hashirR786/incident-commander-mcp | 0 | Claude Code, Codex | 5 | — |
| knandhini2208/EduAccess-AI EduAccess AI is an intelligent learning platform that bridges the language gap in educatio | 0 | Claude Code, Codex | 5 | — |
| ramide1/iol-mcp Invertir Online MCP server | 0 | Codex, OpenCode | 1 | 607 tok |
| KZI-22/xhs_mcp xhs_mcp for agent | 0 | Codex, OpenCode | 1 | 1,130 tok |
| flyset/MyMCP Local-first MCP host for narrowly scoped integrations, with bundled Mnemosyne memory. | 0 | Codex, OpenCode | 1 | 1,666 tok |
| Saimadhav27/mcp-execution-ledger | 0 | Claude Code, Codex | 5 | — |
| wesleyzhangwq/tiny-agent-sandbox Small Docker-backed MCP sandbox for running agent-generated code with bounded privileges | 0 | Codex, OpenCode | 1 | 203 tok |
| erpipe-org/erpipe erpipe.com ERPipe — open-core TypeScript MCP for Odoo. Hosted product: https://erpipe.com — MCP: http | 0 | Codex, Cursor, OpenCode | 2 | 210 tok |
| adwaithsanthoshh/hello-mcp | 0 | Claude Code, Codex | 5 | — |
| CodeSmiths2026/AtlasOSv1 An interactive MCP Orchestration Control Plane that dynamically translates natural languag | 0 | Claude Code, Codex | 5 | — |
| holo-q/python-devtools-mcp | 0 | Codex, OpenCode | 1 | 743 tok |
| AshutoshVatsg/proofyield-mcp | 0 | Claude Code, Codex | 5 | — |
| tinygone/unlimited-ocr-mcp-server Created the corresponding MCP server for convenient use of unlimited-ocr | 0 | Claude Code, Codex, OpenCode | 3 | 1,935 tok |
| elomokm/paper-hermes MCP Server de veille scientifique — arXiv/ChemRxiv → DeepSeek → Brain Obsidian → Telegram. | 0 | Codex, OpenCode | 1 | 138 tok |
| tools-for-agents/prism tools-for-agents.github.io 🔻 The agent's data reader: any JSON/JSONL/CSV/TSV blob becomes its shape and the slice yo | 0 | Codex, OpenCode | 1 | 1,427 tok |
| TensorGymnastic/lean Lean Six Sigma PDF corpus MCP server (local snapshot of quanti/lean at HEAD 75cc41d) | 0 | Claude Code, Codex, OpenCode | 13 | 4,699 tok |
| Abramov-Front-end/rolldate-mcp rolldate.dev MCP server for RollDate Core (date picker) and RollDate Events (event calendar) — install | 0 | Codex, OpenCode | 1 | 396 tok |
| adithyx-0/codeweaver AI-powered MCP server that extracts ICD-10-CM diagnosis codes from clinical notes, validat | 0 | Claude Code, Codex | 6 | 1,128 tok |
| alchemist-code07/researchflow-mcp | 0 | Claude Code, Codex | 5 | — |
| alejoacelas/gdoc-mcp Typed MCP tools backed by the gdoc CLI | 0 | Claude Code, Codex, OpenCode | 2 | 469 tok |