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
aplaceforallmystuff/cheaters-generator jimchristian.net Claude Code plugin for generating personalized cheatsheet systems 14 Claude Code, Codex, Gemini CLI, OpenCode 4 107 tok
Dokkabei97/all-agents-mcp MCP server that orchestrates Claude Code, Codex, Gemini CLI, and Copilot CLI through a uni 14 Claude Code, Codex, OpenCode 2 1,727 tok
jascal/orca-lang Orca (Orchestrated State Machine Language) — an LLM-native code generation target 14 Claude Code, Codex, OpenCode 8 9,776 tok
elasticdotventures/_b00t_ b00t.promptexecution.com 🥾 _b00t_: state of the art agentic harness tooling & dynamic context initialization 14 Claude Code, Codex, Gemini CLI, OpenCode 54 6,242 tok
jillesca/gNMIBuddy Over-engineered & opinionated gNMI collector with MCP 14 Claude Code, Codex, OpenCode 4 299 tok
zbowling/mcpcodeserver A Model Context Protocol (MCP) proxy server that translates tool calls into TypeScript cod 14 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode 4 6,814 tok
HomenShum/NodeBenchAI nodebenchai.com Entity intelligence for any company, market, or question — not a chatbot that answers once 14 Claude Code, Codex, OpenCode 27 34,829 tok
Brandcode-Studio/brandsystem-mcp brandcode.studio Use existing brand guidelines with AI. Turn websites, PDFs, and Figma into a portable .bra 14 Claude Code, Codex, OpenCode 2 4,474 tok
ckorhonen/claude-skills cdd.dev A curated collection of skills for Claude Code and Codex — specialized capabilities across 14 Claude Code, Codex, OpenCode 2 502 tok
pleaseai/claude-code-plugins plugins.pleaseai.dev 14 Claude Code, Codex, OpenCode 13 5,135 tok
nongjun/feishu-cursor-claw Turn Feishu/Lark into a remote control for Cursor AI — your personal AI strategic partner 14 Claude Code, Codex, Cursor, OpenCode 5 1,840 tok
KERNlang/agon kernlang.com A coliseum for AI coding models. They race on the same task in isolated git worktrees, the 14 Codex, OpenCode 1 3,141 tok
zaber-dev/free-ai-gateway npmjs.com Enterprise-grade capability-driven AI routing engine, proxy gateway, MCP server, developer 14 Claude Code, Codex, OpenCode 5 1,137 tok
watt-mind/factory watt-mind.github.io The factory that builds software — and itself. A runtime for self-improving agentic loops: 14 Claude Code, Codex, Gemini CLI, OpenCode 3 6,952 tok
rupakm/leslie 14 Claude Code, Codex, OpenCode 22 1,223 tok
devjefferson/synapos 14 Claude Code, Codex, GitHub Copilot, OpenCode 12 1,610 tok
izaac/nixos-config Izaac Reproducible Configuration 14 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 4 1,156 tok
DimitriGeelen/agentic-engineering-framework Governance framework for AI coding agents — enforces task traceability, structural gates, 14 Claude Code, Codex, OpenCode 28 31,776 tok
Muxi-X/ccnubox_rn [In use] Huashi Box frontend 14 Codex, OpenCode 1 86 tok
antoniovazquezaraujo/LeTrain The letter train simulator. Java version 14 Codex, Gemini CLI, OpenCode 5 1,842 tok
davidcforbes/Beads-Kanban A VSCode extension built on top of steveyegge/Beads that provides a KanBan, Tableview, and 14 Claude Code, Codex, Gemini CLI, OpenCode 3 9,247 tok
CarlosEGuerraSilva/AGENTS.md AGENTS.md template to improve response structure, reduce input and output tokens, correct 13 Codex, OpenCode 1 1,637 tok
hraness/kb hraness.com A knowledge base for coding agents, built from Markdown, backlinks, semantic search, and G 13 Claude Code, Codex, OpenCode 7 3,979 tok
devnomad-byte/techneering Spec-driven development skills plugin for Claude Code and Codex: 16 tn: skills for spec, i 13 Claude Code, Codex, OpenCode 2 2,138 tok
voodootikigod/skills-check skillscheck.ai The missing quality toolkit for Agent Skills 13 Claude Code, Codex, OpenCode 2 7,374 tok
ggombee/code-forge code-forge for configuring combinations of AI agent skills, agents, and more 13 Claude Code, Codex, OpenCode 2 1,993 tok
sidkandan/universal-remote-control Control Codex and Gemini from the Claude app on your phone. Cross-CLI agent communication 13 Claude Code, Codex, Gemini CLI, OpenCode 11 10,444 tok
OthmanAdi/MDDesign whimsy-finch-ty3m.here.now Orchestrator plugin: composes planning-with-files, DESIGN.md, memory routing, agent teams, 13 Claude Code, Codex, Gemini CLI, OpenCode 18 645 tok
1939869736luosi/codex-sessions-manager npmjs.com CLI, MCP server, and Skill for safe local Codex session audit, cleanup, restore, and verif 13 Codex, OpenCode 1 343 tok
cote-star/agent-chorus Local-first CLI to read, compare, and hand off sessions across Claude Code, Codex, Gemini, 13 Claude Code, Codex, Cursor, Gemini CLI, OpenCode 4 4,938 tok
noah-sheldon/ai-dev-kit noahsheldon.dev Production-ready AI dev workflow scaffold with 59 skills, 33 agents, hooks, and rules for 13 Claude Code, Codex, OpenCode 1 3,505 tok
arslan70/haytham arslan70.github.io Validate startup ideas and generate implementation-ready specs. Claude Code plugin. 13 Claude Code, Codex, OpenCode 9 4,783 tok
ArtemisAI/Harness_Engineering A template project for harness engineering and grounding long running agentic AI coding sw 13 Claude Code, Codex, GitHub Copilot, OpenCode 8 6,305 tok
firatcand/forge A lightweight framework for shipping software products from idea to production with AI cod 13 Claude Code, Codex, OpenCode 2 820 tok
initialneil/project-with-reflect Claude Code meta-skill: turn each project/machine/device into a self-improving skill (log 13 Claude Code, Codex, GitHub Copilot, OpenCode 4 508 tok
lie5860/openai-search-mcp 13 Claude Code, Codex, Cursor, OpenCode 40 111 tok
yusong652/yade-mcp pypi.org MCP server connecting AI agents to YADE — run DEM simulations through natural conversation 13 Claude Code, Codex, OpenCode 2 1,379 tok
christopherekfeldt/mcp-bitbucket-dc MCP server for Bitbucket Data Center — code search, file browsing, PRs, commits, and more 13 Claude Code, Codex, OpenCode 5 572 tok
astronomer/astro-airflow-mcp astronomer.io MCP server for Apache Airflow instances. Runs standalone or as an Airflow plugin. 13 Claude Code, Codex, OpenCode 6 749 tok
Mineru98/skills-store 13 Claude Code, Codex, OpenCode 20 1,756 tok
ariaxhan/kernel-claude Claude Code learns from itself. Persistent memory, multi-agent orchestration, and a scient 13 Claude Code, Codex, OpenCode 4 13,390 tok
o-1717986918/arcvellum ArcVellum: a local Agent creative platform for long-form novels, screenplays, and pseudo-d 13 Codex, OpenCode 1 737 tok
mbeacom/adrkit adrkit.dev Machine-readable architecture decision records. Git-native decision memory and governance 13 Claude Code, Codex, GitHub Copilot, OpenCode 15 6,862 tok
jmagly/kintsugi-usb AI-assisted rescue boot USB — a Ventoy multi-boot drive on Ubuntu 24.04 with offline LLM i 13 Claude Code, Codex, OpenCode 21 3,014 tok
nemori-ai/cc-master Turn any Code Harness session into a long-horizon master orchestrator — pick the right dyn 13 Claude Code, Codex, OpenCode 11 31,873 tok
Threat-Vector-Security/guardian-agent Local workstation and network security with ContextCypher diagrams, threat analysis and GR 13 Claude Code, Codex, Gemini CLI, OpenCode 3 1,991 tok
syv-ai/agentic-coding-playbook Syv.ai's agentic coding playbook 13 Claude Code, Codex, OpenCode 4 778 tok
teableio/agent-skills 13 Claude Code, Codex, OpenCode 2 2,029 tok
cyborg-garden/hermes-agent-mt nimbleco.ai Multiplayer fork of hermes-agent 13 Codex, OpenCode 1 18,244 tok
alessiorubicini/Apple-Foundation-Models-Agent-Skill Add expert Apple Foundation Models guidance to your AI coding tool (Agent Skills open form 13 Codex, OpenCode 1 1,263 tok