Building agents

5,330 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 Code6,881Git and workflow3,605Data and AI3,580Backend and APIs3,556Languages3,486Planning3,323Code review2,893Testing2,681Writing and docs2,477DevOps and cloud2,477Memory and context2,375Research2,318

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
jdhart81/viridis-agent-fleet mcp.viridisconservation.com Open-source (Apache-2.0) MCP agents for the agent economy: trust & settlement rails plus a 0 Codex, OpenCode 1 821 tok
CodeWithShreyans/skills My collection of agent skills 0 Codex, OpenCode 1 665 tok
JimmyPaolini/codebase Jimmy's codebase 0 Claude Code, Codex, GitHub Copilot, OpenCode 9 19,878 tok
alexmmatos/website-mcp-creator 0 Claude Code, Codex, OpenCode 2 32 tok
iondrive-co/xenia A local MCP and tray icon for keeping track of how well agents are acheiving their goals, 0 Claude Code, Codex, OpenCode 4 773 tok
Chloride233/semantic-runtime Semantic infrastructure layer for AI Agents: semantic understanding, context resolution, e 0 Codex, OpenCode 1 508 tok
ozgurozkan123/mcpsmuggler Deployed MCP server from cyproxio/mcp-for-security 0 Codex, OpenCode 1 1,918 tok
cryptograss/pickipedia-mcp PickiPedia MCP Server - forked from ProfessionalWiki/MediaWiki-MCP-Server with middleware 0 Claude Code, Codex, OpenCode 2 2,433 tok
Xsaven/vector-memory-mcp 0 Claude Code, Codex, OpenCode 32 8,290 tok
crew-of-one/mcp-server--atlassian 0 Codex, OpenCode 1 713 tok
jrmatherly/mcp-context-forge 0 Claude Code, Codex, GitHub Copilot, OpenCode 6 4,859 tok
eKsiSLe/MCP4Ghidra This version actually works. 0 Codex, OpenCode 1 434 tok
mythographica/strategy mnemonica MCP 0 Codex, OpenCode 1 4,053 tok
ddnet-repo/cardcatalog The certification authority for AI agents. Adversarial exams, Ed25519-signed credentials, 0 Codex, OpenCode 1 2,034 tok
nightwhite/sight-mcp npmjs.com MCP server for AI-powered image and video analysis - supports OpenAI, Claude, and multimod 0 Claude Code, Codex, OpenCode 6 841 tok
PiMPStudios/claude-tmux-bridge MCP server that bridges Claude Desktop to a persistent Claude Code session via tmux 0 Claude Code, Codex, OpenCode 2 2,008 tok
TheAlmightyMight/pixso-mcp 0 Claude Code, Codex, OpenCode 2 2,429 tok
ChanMeng666/femtech-radar chanmeng666.github.io Agent-first FemTech intelligence: an MCP server that fetches, dedupes, and scores women's- 0 Claude Code, Codex, OpenCode 5 5,416 tok
andrei-vintila/avemguvern.ro Does Romania have a government? Minimalist site + API + MCP on Cloudflare Workers. 0 Claude Code, Codex, OpenCode 2 381 tok
LeonidYasin/mcp-server Modular MCP HTTP server optimized for the DeepSeek++ plugin: 109 tools for GitHub API, web 0 Codex, OpenCode 1 780 tok
sandeep-alluru/notarize pypi.org Canonical trace format and verifier for agent execution attestation 0 Claude Code, Codex, GitHub Copilot, OpenCode 7 592 tok
linsipeng/agentkeychain Zero-knowledge credential store for AI agents — Agent Identity + scoped delegation, built 0 Codex, OpenCode 1 1,150 tok
sangwopark19/MendLens MendLens appliance diagnosis MCP server 0 Codex, OpenCode 1 1,901 tok
moekoelueker/namingsignal Evidence-first product naming for agents and developers. MCP + CLI clients for namingsigna 0 Claude Code, Codex, OpenCode 2 828 tok
Aidan-Kay/mcp-nexus 0 Codex, OpenCode 1 1,151 tok
o3-cloud/vibeguard 0 Claude Code, Codex, OpenCode 6 1,437 tok
flnzba/flnzba.github.io fzeba.com Personal Webpage FZEBA.COM (Florian Zeba) 0 Claude Code, Codex, OpenCode 6 870 tok
glide-the/im-dream 0 Claude Code, Codex, GitHub Copilot, OpenCode 10 4,058 tok
hackerpug-ai/holocron 0 Claude Code, Codex, OpenCode 6 9,192 tok
lalitnayyar/finally FinAlly AI Trading Workstation 0 Claude Code, Codex, OpenCode 6 6,568 tok