3,700 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 agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315Frontend2,301Security2,167Project management1,944
All Claude Code32,436 Codex24,692 OpenCode23,614 GitHub Copilot3,700 Gemini CLI2,016 Cursor1,769 Windsurf202 Kiro113
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| mjochum64/mcp-solr-search MCP-Server for Apache Solr | 10 | Claude Code, GitHub Copilot | 2 | 1,943 tok |
| BrickDesignerNL/github-copilot-gpt-code-improver Custom Instruction for GitHub CoPilot to improve the output quality of the default GPT-mod | 10 | GitHub Copilot | 1 | 1,329 tok |
| Alberto-Codes/docvet alberto-codes.github.io Comprehensive docstring quality vetting for Python projects | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 65 | 3,803 tok |
| rynald0cst0ltziam/Warden-AI warden-io.vercel.app The structurally-verified context layer for AI coding agents. Cut 50-90% of your agent's t | 10 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 7 | 19,093 tok |
| bitflight-devops/mcp-json-yaml-toml A structured data reader and writer like 'jq' and 'yq' for AI Agents | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 3,550 tok |
| Obsidian-Owl/specwright obsidian-owl.github.io Craft quality software with AI discipline. Spec-driven development plugin for Claude Code | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,755 tok |
| tosin2013/documcp documcp.dev DocuMCP is an intelligent Model Context Protocol (MCP) server that revolutionizes document | 10 | Claude Code, GitHub Copilot | 6 | 1,894 tok |
| uselflabs/android-agent-skills | 10 | GitHub Copilot | 1 | 4,030 tok |
| techtalk/ai-readiness-assessment techtalk.github.io A self-contained Claude Code & GitHub Copilot plugin that assesses a team's AI readiness a | 10 | Codex, GitHub Copilot, OpenCode | 2 | 2,900 tok |
| hiveforge-sh/hivemind hiveforge.io An MCP (Model Context Protocol) server for Obsidian worldbuilding vaults that provides AI | 10 | GitHub Copilot | 1 | 2,081 tok |
| Loctree/loctree loct.io Structural code intelligence for AI agents. Scan once, query everything — dead exports, ci | 10 | Codex, GitHub Copilot, OpenCode | 2 | 1,731 tok |
| alexsmirnov/obsidian-second-brain-mcp | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 286 tok |
| frankxai/Starlight-Intelligence-System starlightintelligence.org One shared brain for your whole AI fleet: attested memory, orchestration, governance and e | 10 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 9 | 14,794 tok |
| cristianoaredes/mcp-dadosbr 🤖 Model Context Protocol (MCP) server for Brazilian public data lookup - Company (CNPJ) a | 10 | Claude Code, GitHub Copilot | 2 | 3,843 tok |
| PedroMosquera/squadai The agent config you can verify. Declare it once, apply it to seven agent harnesses, fail | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 41 | 893 tok |
| elmochilyas/laraskills | 10 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 10 | 6,522 tok |
| katalon-labs/true-skills katalon.com Agent-neutral AI testing skills for Katalon True Platform: 18 skills covering the full tes | 10 | Codex, GitHub Copilot, Kiro, OpenCode | 21 | 68,208 tok |
| sandraschi/resonite-mcp FastMCP server for natural language control of Resonite social VR platform.. with webapp a | 10 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 8 | 1,497 tok |
| beadnall/codemap A Claude skill that turns a codebase into an explorable isometric diagram, with real data | 10 | Codex, GitHub Copilot, OpenCode | 2 | 1,072 tok |
| microsoft/AKS-Lab-GitHubCopilot ZavaShop multi-agent retail demo on AKS + ACA. Specs, MCP servers, agents, tests, Bicep/He | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 16 | 4,662 tok |
| rokasklive/opengrok-go-mcp opengrok MCP but in Go | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 35 | 2,055 tok |
| garoon/garoon-mcp-server Garoon official MCP server | 10 | Claude Code, GitHub Copilot | 5 | 2,432 tok |
| aws-samples/sample-ramp-aidlc-mod-starter-packs | 10 | GitHub Copilot, Kiro | 7 | 19,267 tok |
| koldovsky/project-factory Self-improving, spec-driven multi-agent SDLC delivery framework — agent-agnostic plugin fo | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 795 tok |
| borgius/kanban-lite borgius.github.io A kanban board for your codebase. Features stored as markdown. | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 29 | 1,590 tok |
| dynatrace-oss/dynatrace-snowflake-observability-agent A tool that streams selected Snowflake telemetry to the Dynatrace API, enabling enhanced d | 10 | Claude Code, GitHub Copilot | 2 | 4,679 tok |
| markconroy/markie This is a repo for my personal website, built on Drupal 8 and Patternlab. | 10 | Codex, GitHub Copilot, OpenCode | 2 | 10,108 tok |
| CatLabInteractive/catlab-drinks Simple cash register app with support for NFC topup cards. | 10 | Claude Code, GitHub Copilot | 2 | 7,584 tok |
| FleetAdmiralJakob/chat-io chat-io.roessner.tech Post Quantum Secured Messaging PWA | 10 | GitHub Copilot, Gemini CLI | 3 | 15,945 tok |
| Daydreamer-riri/QRCode-CmdPal This is a Powertoys CmdPal extension for generating QR Codes quickly and easily. | 10 | GitHub Copilot | 1 | 604 tok |
| kok-o/contextos-agents Deterministic context and policy compiler for supported AI coding agents. | 10 | Claude Code, Codex, GitHub Copilot, Gemini CLI | 9 | 1,657 tok |
| russfellows/s3dlio Part of the sai3 project that delivers multi-protocol storage access for AI/ML workflows, | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 9,391 tok |
| zfy465914233/scholar-agent Knowledge agent for LLMs — online research + local accumulation, gets smarter over time. M | 9 | GitHub Copilot | 1 | 528 tok |
| bocan/codex A wiki and document store built with React + Express. Organize markdown files in folders w | 9 | Claude Code, Codex, GitHub Copilot | 3 | 2,462 tok |
| dgenio/contextweaver Budget-aware context compilation and context firewall for tool-heavy AI agents. | 9 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 20,621 tok |
| KumaBase/agent-base | 9 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 7 | 3,029 tok |
| SarutobiSasuke8/agentops-template Governed, repo-native AgentOps template for AI-assisted software projects, with cross-agen | 9 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 4,013 tok |
| kadiresen/context-bank npmjs.com Your AI memory bank is eating your context window. Capped, git-committed, retrieval-first | 9 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 599 tok |
| fusebase-dev/fusebase-flow ai-dev.thefusebase.com The framework client-facing teams use to build internal & client apps with AI. Two agents | 9 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 75 | 3,794 tok |
| jackofall1232/l00prite a vendor-neutral runtime protocol for autonomous AI coding agents persistent memory, execu | 9 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 11 | 7,521 tok |
| timothywarner-org/copilot-memory-store techtrainertim.com Local JSON memory store for context engineering with GitHub Copilot and MCP clients. Inclu | 9 | Claude Code, GitHub Copilot | 2 | 632 tok |
| NAJEMWEHBE/unreal-ai-connection Drive Unreal Engine 5.7 from any MCP client: 155 editor-automation tools (inspect, author, | 9 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,419 tok |
| serifcolakel/swagger-mcp-adapter TypeScript-based MCP server that integrates with Swagger/OpenAPI specifications to expose | 9 | GitHub Copilot | 1 | 2,789 tok |
| j-shelfwood/obsidian-local-rest-api-mcp | 9 | GitHub Copilot | 1 | 505 tok |
| et-do/myelin brain-inspired MCP for persistent efficient context across AI agents | 9 | GitHub Copilot | 1 | 401 tok |
| tomconte/codebox-ai A secure Python code execution service designed to integrate with LLMs like GPT and Claude | 9 | GitHub Copilot | 1 | 911 tok |
| MadaBurns/bv-mcp blackveilsecurity.com DNS, email-authentication, TLS and exposure scanning for AI agents: 81 MCP tools, scored 0 | 9 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 20 | 8,973 tok |
| Avyayalaya/agent-prime avyayalaya.github.io A persistent AI operating system. 13 specialized agents + a runtime-portable 5-agent quali | 9 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 12,325 tok |
| cherchyk/MCPBrowser | 9 | GitHub Copilot | 9 | — |
| chrisribe/simple-memory-mcp 🧠 Persistent local memory for AI assistants across conversations. SQLite, no cloud, no co | 9 | GitHub Copilot | 1 | 450 tok |