Building agents

7,557 projects whose own agent configuration covers building agents. These are not mods to install — they are how the maintainers of these repositories tell an agent what to do, and what to avoid.

All projects Claude Code6,620Data and AI3,682Backend and APIs3,496Languages3,401Planning3,217Git and workflow3,165Code review2,733Testing2,364Memory and context2,364DevOps and cloud2,310Writing and docs2,303Research2,297

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
thomasiverson/copilot-compose Compose and sync copilot-instructions from a shared master repo — VS Code extension 1 Claude Code, Codex 2
Melampe001/.githum-copilot-instructions.md { "github.copilot.enable": {"*": true}, "github.copilot.chat.experimental.autoChatMode 1 GitHub Copilot 1 4,454 tok
LukeFrankio/LukesCopilotInstructions 1 Claude Code, Codex, GitHub Copilot 39 227,215 tok
cgfixit/AzureAI-CopilotStudio-PersonalAgent-Instructions Azure OpenAI Copilot Studio Personal Agent - Production-tested system instructions for ent 1 Claude Code, Codex 14 29 tok
Salberg87/batonq-skills Multi-CLI role skills for batonq autonomous coding agents — worker, judge, pr-runner, expl 1 Claude Code, Codex, OpenCode 2 119 tok
OpenOps-Studio/vibe-driven-dev Agent-first framework for safe vibe coding. Turn messy product ideas into structured plans 1 Claude Code, Codex, OpenCode 8 4,099 tok
jaemk/mind jaemk.github.io A package manager for agent tooling: meld git repos of skills, agents, rules, and tools in 1 Claude Code 3 4,662 tok
wjohns989/Muninn Local-first memory infrastructure for coding workflows: deterministic retrieval, explainab 1 Gemini CLI 1 815 tok
MMStudioCreations/skill-router The universal router has zero baked-in knowledge. Its routing table is assembled at runtim 1 Claude Code 1 208 tok
nomadicmehul/TheNightOps nightopsai.dev TheNightOps — Triage. Heal. Evolve. 1 Claude Code 1 1,972 tok
trsdn/github-copilot-cli Blueprint for customizing GitHub Copilot CLI — custom agents, instructions, skills, and MC 1 Codex, GitHub Copilot, OpenCode 3 1,570 tok
KIMISKI33/awesome-copilot Community-contributed instructions, agents, skills, and configurations to help you make th 1 Claude Code, Codex, GitHub Copilot, OpenCode 3 4,294 tok
alipajand/agent-context-doctor Audit agent context files like AGENTS.md, CLAUDE.md, .cursor/rules/*.mdc, .github/copilot- 1 Codex, OpenCode 1 572 tok
eikonoikari1/skillport Skill for translating AI coding skills across Claude Code, Cursor, Codex, OpenClaw, Copilo 1 Codex, OpenCode 1 586 tok
ephrin/openapi-mcp-bridge npmjs.com Transform OpenAPI definitions into MCP (Model Context Protocol) tools for seamless LLM-API 1 Claude Code 1 1,235 tok
13624725933/agent-rulescope 13624725933.github.io See exactly which instructions your coding agent inherits. Scan AGENTS.md, CLAUDE.md, Curs 1 Codex, OpenCode 1 83 tok
mordilion/ai-instructions-and-prompts Universal AI coding assistant configuration. Interactive setup wizard generates consistent 1 Claude Code, GitHub Copilot 2 4,239 tok
CraigWilsonOZ/GitHub-CoPilot-BaseRepo Base template for Python + Terraform projects using the OpenAI Agents SDK (GPT-5.2) with G 1 GitHub Copilot 14 13,244 tok
hsr88/scavi scavi.cc Context linter for AI coding agents. Detects stale, conflicting, and incorrect instruction 1 Codex, OpenCode 1 1,830 tok
bwyatt/editor-customizations Repository to hold reusable VS Code customizations (settings, copilot instructions, Claude 1 GitHub Copilot 5 7,037 tok
zzz030981-max/agent-context-lens DevTools for AI coding instructions: trace effective context across Codex, Claude Code, Cu 1 Claude Code, Codex, GitHub Copilot, OpenCode 3 198 tok
bluelilyc/aipm A template for agents, instructions, prompts, and skills that can be installed in either g 1 GitHub Copilot 2 1,468 tok
marmar9615-cloud/agentbridge-protocol An AI-native action layer that helps apps expose structured, permissioned actions for agen 1 Claude Code, Codex, OpenCode 2 4,865 tok
Mihai-Codes/tldraw-mcp-server The most comprehensive MCP server for tldraw — programmatic canvas toolkit for AI agents 1 Codex, OpenCode 1 3,719 tok
fernforestgames/mcp-server-bfl npmjs.com MCP server for image generation using Black Forest Labs' API 1 Claude Code 1 503 tok
weidongxu-microsoft/mcp-azure-java-sdk-assist 1 GitHub Copilot 1 247 tok
jleechanorg/mcp_agent_mail_archived Like gmail for your coding agents. Lets various different agents communicate and coordinat 1 Claude Code, Codex, OpenCode 6 4,139 tok
Volpestyle/swarm-mcp Host-neutral MCP server for cross-agent discovery, coordination, file locking, and task ha 1 Claude Code, Codex, OpenCode 4 128 tok
snowhypers/LoanRiskLens_MCP 1 Claude Code, Codex, OpenCode 2 556 tok
marius-cetanas/macos-mail-mcp MCP server for Apple Mail (macOS Mail.app) — read, search, compose, and manage emails via 1 Claude Code 4 5,030 tok
LeonNonnast/mcpdevprompts MCP Dev Prompts Server 1 Claude Code 1 481 tok
co-native-ab/graphdo-ts A TypeScript MCP server that gives AI agents scoped, low-risk access to Microsoft Graph. 1 Claude Code, Codex, OpenCode 17 4,416 tok
Magnolia-Tech-Services-LLC/ressourcespaceMCP 1 Claude Code 1 937 tok
preangelleo/my-credentials-mcp 🔐 Secure PostgreSQL MCP Server with GitHub OAuth - Database access & credential generatio 1 Claude Code 2
technophile-04/sre-mcp 1 Claude Code 3 5,279 tok
jenova-marie/iris-mcp 1 Claude Code 5 2,413 tok
miadisabelle/mcp-coaia-sequential-thinking 1 GitHub Copilot, Gemini CLI 2 2,479 tok
sandraschi/observability-mcp FastMCP 3.2 observability server for monitoring MCP ecosystems with OTel and Grafana 1 Claude Code, Codex, Cursor, OpenCode 4 516 tok
dsfaccini/siigo-mcp 1 Claude Code 5 398 tok
Agarwal-Saurabh/multiapimcpserver Convert multiple openAPI spec into single mcp server 1 GitHub Copilot 1 520 tok
dd-dent/choff-a-mcp 1 Claude Code 2 1,407 tok
rmstxrx/maestro-mcp Multi-host machine fleet + AI agent orchestra MCP server 1 Claude Code, Codex, Gemini CLI, OpenCode 3 4,715 tok
DaveDev42/tauri-plugin-mcp 1 Claude Code 1 3,092 tok
serenichron/mcp-cloudron MCP server for Cloudron instance management 1 Codex, OpenCode 1 2,644 tok
atsuki-sakai/ai_collaboration_mcp_server 1 Claude Code 1 823 tok
Vvkmnn/claude-senator-mcp [ Under Construction ] 🏛️ An MCP server for inter-Claude communication and context sharin 1 Claude Code 1 764 tok
gaiaaiagent/regen-python-mcp Python MCP server for Regen Network 1 Claude Code 4 58 tok
peerjakobsen/audiogen-mcp MCP server for AI sound effect generation using Meta's AudioGen 1 Claude Code 1 447 tok
fabriciofs/mcp-postgres 1 Claude Code 12
OmelchMichael/mcp_agent_mail 1 Codex, OpenCode 1 6,596 tok