43,636 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| assisjp/specflow A self-contained, reliability-first agent development flow — grill, spec, build under dete | 17 | Claude Code, Codex, OpenCode | 2 | 2,081 tok |
| hubertciebiada/context-crystallizer Transform your large repository into crystallized, AI-consumable knowledge. Enable AI agen | 17 | Claude Code | 1 | 1,378 tok |
| goodfire-ai/evee-mcp MCP server for the EVEE (Evo Variant Effect Explorer) API — variant effect prediction from | 17 | Claude Code | 1 | — |
| simonChoi034/image-gen-mcp This MCP server is responsible for generating images for both OpenAI and the Gemini Model. | 17 | Codex, OpenCode | 1 | 1,067 tok |
| flagify-com/UniMCPSim UniMCPSim is a general-purpose MCP (Model Context Protocol) simulator that dynamically sim | 17 | Claude Code, Codex, OpenCode | 2 | 8,026 tok |
| amitrechavia/langsmith-mcp-server-js A TypeScript implementation of langsmith MCP | 17 | Claude Code | 1 | 739 tok |
| erans/autoagent-action A composable GitHub Action that integrates with AI agents like Cursor CLI, Claude Code, Ge | 17 | Codex, OpenCode | 1 | 1,807 tok |
| Repliers-io/mcp-server Open-source MCP server for the Repliers API. Lets developers build conversational and agen | 17 | Claude Code | 3 | 1,965 tok |
| flagify-com/soar-mcp SOAR MCP Server is an innovative security orchestration platform integration solution that | 17 | Claude Code | 1 | 1,618 tok |
| hildersantos/things-mcp | 17 | Claude Code | 1 | 693 tok |
| mayflower/contextmine Documentation & Code Indexing with MCP - Open-source Context7 alternative | 17 | Claude Code, Codex, OpenCode | 3 | 3,649 tok |
| ozmium7/Ozmium-MCP-Server-for-Sbox Connect AI coding assistants to the S&box editor using the Model Context Protocol (MCP). W | 17 | Claude Code | 1 | 1,273 tok |
| cfircoo/claude-code-toolkit | 17 | Claude Code | 5 | 828 tok |
| cristianoliveira/dotfiles My dotfiles for macOS and NixOS. :sunglasses: :package: | 17 | Codex, OpenCode | 1 | 408 tok |
| gear-foundation/vara-skills | 17 | Claude Code, Codex, OpenCode | 2 | 1,161 tok |
| Boise-State-Development/agentcore-public-stack boise-state-development.github.io The unofficial full-stack platform for Strands Agents and AWS Bedrock AgentCore. | 17 | Claude Code, GitHub Copilot, Kiro | 36 | 51,542 tok |
| rblank9/cross-claude-mcp crosswi.re A message bus that lets AI assistants talk to each other. Works with Claude, ChatGPT, Gemi | 17 | Claude Code | 1 | 536 tok |
| sbraind/excel-mcp-server | 17 | Claude Code | 9 | 1,739 tok |
| LoftyTao/Honeybee-MCP MCP Tools by LBT-Honeybee | 17 | Codex, OpenCode | 1 | 1,542 tok |
| mrafaeldie12/nano-banana-pro-mcp MCP server for Gemini 3 Nano Banana Pro image generation | 17 | Claude Code | 1 | 309 tok |
| sparesparrow/mcp-project-orchestrator Analyze user input to identify suitable design patterns and project templates. Orchestrate | 17 | Claude Code, Cursor | 2 | 616 tok |
| adamwulf/mcp-template adamwulf.me A barebones MCP server implementation in Swift using loopwork-ai's mcp-swift-sdk. | 17 | Claude Code, Cursor | 2 | 2,623 tok |
| joobisb/mcp-installer mcp-installer.com Simplifies the installation and management of MCP (Model Context Protocol) servers across | 17 | Claude Code | 1 | 2,931 tok |
| pablof7z/mcp-money MCP server to give nutsack wallets to agents, an important milestone in the path towardssk | 17 | Claude Code | 1 | 498 tok |
| Hellek1/ib-mcp Model Context Protocol (MCP) server exposing Interactive Brokers data via ib_async + FastM | 17 | GitHub Copilot | 1 | 1,423 tok |
| Embassy-of-the-Free-Mind/sourcelibrary-v2 sourcelibrary.org The world's largest library of translated ancient texts. AI-powered OCR and translation of | 17 | Claude Code, Codex, OpenCode | 4 | 10,375 tok |
| khromov/context-coder npmjs.com MCP for agentic full-context coding | 17 | Claude Code | 1 | 1,219 tok |
| LarryStanley/heptabase-mcp The heptabase mcp | 17 | Claude Code | 1 | 954 tok |
| verdexhq/verdex-mcp MCP Server for Playwright Test Writing | 17 | Claude Code | 1 | — |
| fabioc-aloha/spotify-skill Spotify Skills for Claude - Production Spotify API integration + complete toolkit for crea | 17 | GitHub Copilot | 1 | 9,988 tok |
| AceDataCloud/Skills Agent Skills for AceDataCloud AI services — music, image, video generation, web search, an | 17 | Codex, GitHub Copilot, OpenCode | 2 | 1,097 tok |
| Boom-Vitt/claude-thai-business-skills 12 Claude Code skills for Thai SME business consulting — pricing waterfall, SME tax tier, | 17 | Codex, OpenCode | 1 | 949 tok |
| moshthepitt/lionclaw lionclaw.co.ke Lionclaw is a local control plane for AI coding agents. It runs AI agents as durable, audi | 17 | Codex, OpenCode | 1 | 747 tok |
| Approaching-AI/AIMA aimaservice.ai AI-Inference-Managed-by-AI: Go binary for managing AI inference on edge devices | 17 | Claude Code, Codex, OpenCode | 2 | 13,966 tok |
| SonAIengine/graph-tool-call pypi.org Graph-based tool retrieval for LLM agents — 248 tools → 82% accuracy, 79% fewer tokens. Ze | 17 | Claude Code, Codex, OpenCode | 2 | 188 tok |
| cruxible-ai/cruxible Governed state engine for AI agents: typed, executable knowledge artifacts with a code-lik | 17 | Codex, OpenCode | 1 | 2,555 tok |
| isaac-levine/forage npmjs.com Self-improving tool discovery for AI agents. Agents find, install, and learn to use new MC | 17 | Claude Code | 1 | 919 tok |
| rianvdm/discogs-mcp discogs-mcp.com A Discogs MCP Server with OAuth, to use with your favorite LLM client. Ask for recommendat | 17 | Claude Code | 1 | 1,193 tok |
| icerain-cmd/humanities-superpowers icerain-cmd.github.io Structured research skills and quality gates for humanities scholars using AI agents. | 17 | Claude Code, Codex, OpenCode | 2 | 524 tok |
| robhunter/agentdeals MCP server aggregating free tiers, startup credits & developer tool deals. 4 tools, 54 cat | 17 | Codex, OpenCode | 1 | 2,870 tok |
| ChouChiu/heya-skill hs.wwchun.top In-depth analysis based on Bilibili creator Heya's video titles, teaching AI to learn Heya | 17 | Codex, OpenCode | 1 | 1,318 tok |
| aplaceforallmystuff/mcp-fantastical MCP server for Fantastical calendar app - create events, view calendar, and manage schedul | 17 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 309 tok |
| tiluckdave/hound-mcp npmjs.com The dependency bloodhound for AI coding agents. Free, no API keys. | 17 | Claude Code | 1 | 1,703 tok |
| briansmith80/claude-code-status-bar briansmith80.github.io Configurable status bar for Claude Code: usage limits with pacing markers, context window, | 17 | Claude Code | 1 | 12,459 tok |
| multiplex-ai/muggle-ai-works muggletest.com Your AI coding agent writes code fast — we make sure the web product actually works. Paste | 17 | Claude Code | 5 | — |
| rbrands/intervals-icu-sync Connect any GenAI tool to your intervals.icu data — includes MCP server, Python scripts, s | 17 | GitHub Copilot | 1 | 843 tok |
| jsuzanne/stigix stigix.io Stigix is a lab platform to validate SD‑WAN and SASE. It unifies SaaS traffic generation | 17 | Claude Code, Codex | 10 | — |
| mmnto-ai/totem Rules you can enforce, state you can derive, context you can query: plain files in your re | 17 | Claude Code, Codex, Gemini CLI, OpenCode | 18 | 1,382 tok |
| julianoczkowski/notebooklm-mcp-2026 MCP server for querying Google NotebookLM notebooks. Works with Claude Code, Claude Deskto | 17 | Claude Code | 4 | 1,272 tok |
| Destrayon/Connapse Open-source, self-hosted knowledge backend for AI agents — hybrid search (vector + keyword | 17 | Claude Code | 7 | 1,834 tok |