Building agents

4,424 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 Code6,606Data and AI3,688Backend and APIs3,494Languages3,401Planning3,209Git and workflow3,151Code review2,736Memory and context2,361Testing2,351DevOps and cloud2,300Writing and docs2,296Research2,295

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
andr-ca/agentharness andr.ca Portable engineering policies for coding agents — git, testing, logging, and language conv 1 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 13 30,908 tok
grobinson3108/mcp-server-saas-gateway One MCP server, N REST APIs. TypeScript template for building gateway-style MCP servers th 1 Codex, OpenCode 1 329 tok
Adversarr/kernel-dsl 1 Claude Code, Codex, OpenCode 2 270 tok
5queezer/distill Privacy-first team memory MCP server — local LLM distillation before team sync 1 Claude Code, Codex, OpenCode 11 3,492 tok
JakeTRogers/my-awesome-copilot Selfishly opinionated GitHub Copilot prompts, agents, instructions, and skills. 1 Claude Code, Codex, GitHub Copilot, OpenCode 5 12,344 tok
ghenriquec/universal-domain-rules-discover-skill universal AI agent skill for discovering domain rules and generating traceable QA scenario 1 Codex, OpenCode 1 93 tok
lc-rezende/AI-Custom-Skills A repository containing a variety of custom AI Skills crafted to make our life easier. 1 Codex, OpenCode 1 991 tok
Hoja-Solutions/agent-stdlib A standard library for building agents. 1 Claude Code, Codex, OpenCode 1 969 tok
equinor/fusion-skills Fusion repo for agent skills 1 Claude Code, Codex, GitHub Copilot, OpenCode 11 5,529 tok
XyndoX/good-bad-ugly The Good, the Bad and the Ugly — tiered multi-agent orchestration for Claude Code 1 Codex, OpenCode 1 773 tok
spmisha134/skillOps-vscode Vscode plugin for creating and validating Codex, Claude and Gemini skills inside a project 1 Claude Code, Codex, OpenCode 2 1,934 tok
NVZver/claude-marketplace Claude Code plugins for spec-first development: every agent claim cites a source, every co 1 Claude Code, Codex, OpenCode 4 1,095 tok
artttj/llama-steve sonto.space Llama Steve analyzes your actual product to identify and ship game-changing features. Maxi 1 Codex, OpenCode 1 817 tok
fernandogarzaaa/chimeralang-mcp ChimeraLang MCP Server — probabilistic types, consensus gates, and hallucination detection 1 Claude Code, Codex, OpenCode 9 3,193 tok
shenchangmin/cairnkit A knowledge-precipitation harness for Claude Code and Codex — the workflow is the pipe, kn 1 Claude Code, Codex, OpenCode 2 3,846 tok
Jack-infinity420/three-mechanisms-plugin Claude Code plugin | Cursor plugin | Trae plugin | Codex plugin — AI agent code of conduct 1 Claude Code, Codex, GitHub Copilot, OpenCode 3 1,154 tok
Aboudjem/goalify Hand Claude a huge task. Come back to proof it's done, not a promise that it is. 1 Codex, OpenCode 1 2,034 tok
kanopi/cms-planner kanopi.github.io Claude Code plugin for web development project planning. 1 Claude Code, Codex, OpenCode 2 4,798 tok
jeroromano/claude-code-orchestration-template Claude Code orchestration template for specialized agents, reusable skills, spend gates, a 1 Claude Code, Codex, OpenCode 2 2,134 tok
nutdnuy/quantcoder-plugin Claude Code and Codex plugin wrapper for QuantCoder research-paper to QuantConnect workflo 1 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 4 641 tok
Bita71/Agent-Workflow-Kit Copy-ready agent workflow for Cursor, Claude Code, and Codex. Plan, build, review, and ver 1 Claude Code, Codex, OpenCode 23 1,191 tok
afaraha8403/balakit Opinionated, cross-agent rules and skills for AI coding agents — one npx install into Curs 1 Claude Code, Codex, OpenCode 2 8,279 tok
sungurerdim/dev-skills 30 multi-phase AI coding skills with executable gates — pure markdown, zero dependencies. 1 Claude Code, Codex, OpenCode 2 6,023 tok
fatalex27/vibe-27 CLAUDE.md + AGENTS.md: 27 vibe coding rules for Cursor & Claude Code — think before coding 1 Claude Code, Codex, OpenCode 2 3,426 tok
commerce-atoms/agents Reusable AI agents and editor rules for building scalable ecommerce systems. 1 Claude Code, Codex, GitHub Copilot, OpenCode 3 1,536 tok
plumpslabs/matcha plumpslabs.github.io 🍵 Deliberate engineering guidelines & deterministic lifecycle safety hooks to enforce pla 1 Claude Code, Codex, GitHub Copilot, Gemini CLI, Kiro, OpenCode, Windsurf 12 5,663 tok
guorunjie/skillpack-forge One manifest for every AI coding agent: generate AGENTS.md, CLAUDE.md, Claude/Codex Skills 1 Claude Code, Codex, GitHub Copilot, OpenCode 3 616 tok
itsasheruwu/Veo itsasheruwu.github.io A native, local-first macOS workspace for Codex, built around your projects and local CLI. 1 Claude Code, Codex, OpenCode 2 3,887 tok
lubochka/xiigen-general-skills Open-source AI agent skills for safer Claude, Codex and Cursor coding workflows 1 Codex, OpenCode 1 322 tok
orin-dx/agent-plugins Official AI Agent Plugins & Skills Marketplace for Antigravity (AGY), Claude Code, and Cur 1 Claude Code, Codex, Gemini CLI, OpenCode 18 1,429 tok
Mauriciog87/codex-skill Verified Sol-Luna orchestration for Codex with profile-based routing, concurrency controls 1 Codex, OpenCode 1 2,771 tok
dwgx/AgentScope dwgx.github.io Windows desktop console for monitoring local Codex and Claude Code sessions with evidence- 1 Codex, OpenCode 1 1,200 tok
davidomil/cloudx Run and supervise Codex CLI from your phone on your own Linux build machine, with local-fi 1 Claude Code, Codex, OpenCode 12 645 tok
slashdevcorpse/codex-claw Local browser workbench for Codex CLI 1 Codex, OpenCode 1 805 tok
VKirill/agent-consult Production-ready Model Context Protocol (MCP) server for multi-agent AI consultations (Cod 1 Claude Code, Codex, OpenCode 2 3,165 tok
punt-labs/postern Drive a live Pharo image from Claude Code, Codex or any HTTP client — full development cyc 1 Claude Code, Codex, OpenCode 7 4,583 tok
makedirectory/ModelPeer makedirectory.github.io Cross-model peer review for coding agents. Let Claude Code, Codex CLI, and Gemini CLI cons 1 Claude Code, Codex, Gemini CLI, OpenCode 7 4,514 tok
jpbaking/cross-cli-handshake Cross-CLI Role Handshake: one delegation policy turning claude, codex, and agy into each o 1 Claude Code, Codex, OpenCode 2 151 tok
Herbertmt978/HA_Codex_Bridge Run Codex privately inside Home Assistant with ChatGPT login, automations, skills, plugins 1 Codex, OpenCode 1 677 tok
hhx465453939/HelmForge ⚓ Forge your enterprise. Take the helm. — The AI cockpit for strategy · budget · finance · 1 Claude Code, Codex, Gemini CLI, OpenCode 37 3,173 tok
dees91/agent-skill-manager A macOS app, TUI, and CLI to manage skills for AI coding tools. Turn skills on or off with 1 Claude Code, Codex, OpenCode 2 14,459 tok
SetraTheXX/Codex-Engineering-Workflow-Pack npmjs.com Local-first engineering workflow toolkit for Codex: skills, Coordinator Mode, worktree iso 1 Codex, OpenCode 1 218 tok
iabhisekbosepm/codex-god-setup npmjs.com Multi-agent orchestration system for OpenAI Codex CLI with 21 specialized agents, automate 1 Claude Code, Codex, OpenCode 16 536 tok
BjornMelin/codex-toolloop Build agentic coding workflows with OpenAI Codex ToolLoop: Based on the Codex app-server a 1 Claude Code, Codex, OpenCode 2 1,425 tok
yuanguang-ai-lab/codex-global-agents-template A compact global AGENTS.md template for Codex: evidence-first workflow, handoff discipline 1 Codex, OpenCode 1 4,861 tok
c3-oss/codexcw run codex or claude code non-interactively from code 1 Claude Code, Codex, OpenCode 7 1,679 tok
BigBugaboo/strategos Local-first strategist for Claude Code, Codex CLI, and GitHub Copilot CLI 1 Claude Code, Codex, GitHub Copilot, OpenCode 3 344 tok
Coratch/runwhy coratch.github.io RunWhy: local flight recorder and time diagnosis for AI coding agents. 1 Codex, OpenCode 1 270 tok
SimonGino/portage Keep the harness, change the model. A self-hosted single-binary gateway that lets Claude C 1 Claude Code, Codex, OpenCode 2 939 tok
niels-emmer/myace myace.macjuu.com MyACE makes your AI coding agent's rules, skills, and workflows portable. 1 Claude Code, Codex, OpenCode 7 18,525 tok