Building agents

6,118 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
Open-Harness/open-harness open-harness.github.io 18 Claude Code, Codex, OpenCode 5 6,022 tok
Wolfe-Jam/grok-faf-mcp faf.one Persistent Project Context for xAI Grok — IANA-registered .faf format · MCP server on a UR 18 Claude Code, Codex, OpenCode 2 1,137 tok
donnfelker/loop-skills Autonomous, self-re-prompting agent loops for Claude Code — packaged as independently-inst 18 Claude Code, Codex, OpenCode 2 1,262 tok
bluebear-io/angry-bear bluebear.io Enforce skill-loading requirements for AI coding agents 18 Claude Code 1 903 tok
understudylabs/understudy-agent-tools Public MIT-licensed Understudy agent tools and skill library 18 Claude Code, Codex, OpenCode 3 2,402 tok
onceMisery/seahorse-agent Seahorse Agent is an engineering platform for enterprise knowledge, long-term memory, and 18 Claude Code, Codex 4 1,438 tok
blxzer77/cursor-trellis 18 Claude Code, Codex, OpenCode 15 4,726 tok
wenhanweime/herdr-plugin-renamer LLM-powered session naming for herdr: Claude Code / Codex / Grok / Pi / opencode, Chinese 18 Claude Code, Codex, OpenCode 2 3,323 tok
ever-works/directory-web-template ever.works Open-Source Directory Website NextJs Boilerplate (part of Ever® Works™ Platform) - https:/ 18 Claude Code, Codex, GitHub Copilot, OpenCode 3 17,352 tok
jnarowski/agentcmd agentcmd.dev ✨ AI Code Workflow Orchestration Platform 18 Claude Code 37 2,657 tok
wrg32786/aigent-os theaigent.xyz aigent-OS gives Claude Code fully autonomous memory and context management. It remembers a 18 Claude Code 1 4,483 tok
narosemena/master-instructional-design A Claude skill embodying a 30-year veteran ID practitioner — 15 engagement modes, 31 refer 18 Claude Code, Gemini CLI 6 2,406 tok
c18229039407-arch/cutlin Cutlin - AI-Orchestrated Video Production Platform 17 Claude Code, Codex, GitHub Copilot, OpenCode 3 271 tok
rylsherdamz-rgb/stellar-forge stellarforge.xyz A Stellar-native developer bounty & escrow marketplace. Fund software work in XLM/USDC, he 17 Claude Code 1 3,019 tok
denysdovhan/agents A collection of custom skills for my workflows with AI-agents 17 Claude Code, Codex, OpenCode 2 528 tok
SneezeGUI/Hybrid-CLI-Agent Multi-agent CLI orchestrator combining Claude Code, Gemini CLI, and OpenRouter. 17 Claude Code 1 5,590 tok
enowdev/succubus Cross-agent coordination for AI coding agents. One daemon, one database — so multiple agen 17 Claude Code, Codex, OpenCode 2 502 tok
dbos-inc/agent-skills 17 Claude Code 1 1,192 tok
borhen68/SkillEngine Production-grade engineering skills for AI coding agents. 17 Claude Code, Codex, Gemini CLI, OpenCode 3 2,318 tok
alexiolan/craft-skills Structured development skills for any project. Provides brainstorming, planning, parallel 17 Claude Code 1 999 tok
Interstellar-code/claud-skills Production-ready Claude Code framework with 13 agents, 9 skills, and auto-generated docume 17 Claude Code 17 4,483 tok
TGPSKI/leather leather.sh Local agent infrastructure in one stdlib-only Go binary 17 Claude Code, Codex, OpenCode 6 2,738 tok
organvm-iv-taxis/a-i--skills organvm-iv-taxis.github.io Public repository of AI agent skills: specialized capabilities and workflows across 12 cat 17 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 8 8,740 tok
xeeva/Genesis xeeva.github.io Bootstrap fully-equipped Claude Code projects in under two minutes. Agents, skills, hooks, 17 Claude Code 11 3,078 tok
mayflower/contextmine Documentation & Code Indexing with MCP - Open-source Context7 alternative 17 Claude Code, Codex, OpenCode 3 3,649 tok
sbraind/excel-mcp-server 17 Claude Code 9 1,739 tok
sparesparrow/mcp-project-orchestrator Analyze user input to identify suitable design patterns and project templates. Orchestrate 17 Claude Code, Cursor 2 616 tok
adamwulf/mcp-template adamwulf.me A barebones MCP server implementation in Swift using loopwork-ai's mcp-swift-sdk. 17 Claude Code, Cursor 2 2,623 tok
joobisb/mcp-installer mcp-installer.com Simplifies the installation and management of MCP (Model Context Protocol) servers across 17 Claude Code 1 2,931 tok
ForkPoint/agent-lighthouse forkpoint.github.io Lighthouse-style audits for AI-agent readiness, LLM crawlers, MCP clients, and the agentic 17 Claude Code, Codex, OpenCode 2 2,258 tok
Azure/azure-functions-skills A repository for Azure Functions skills, prompts, and reusable definitions to support agen 17 Claude Code, Codex, GitHub Copilot, OpenCode 15 2,536 tok
kasuken/github-copilot-superpowers Opinionated, repo-local configuration for GitHub Copilot (Chat + Agent mode): instruction 17 Claude Code, Codex, GitHub Copilot 15 5,040 tok
kubiyabot/skill A universal skill runtime for agents that runs anywhere. No servers, no context bloat, jus 17 Claude Code 53 1,633 tok
caiaffa/claude-code-ultimate-engineering-system A complete engineering toolkit for Claude Code: premium skills, agent workflows, ADR/PRD t 17 Claude Code, Codex, OpenCode 2 3,472 tok
olehsvyrydov/AI-development-team An AI dev team in your editor — ~48 specialist agents and an enforced, proportional workfl 17 Claude Code 1 1,299 tok
RokLenarcic/mcp-server MCP Server library 17 Claude Code 1 936 tok
asasugar/SuperSpec asasugar.github.io Spec-driven development (SDD) for AI-powered coding assistants 17 Claude Code, Codex, Cursor, OpenCode 20 2,431 tok
Evergreen-Techworks/realm-engine-client realmengine.org Free, open-source hacking platform for Realm of the Mad God (RotMG / Exalt). Autonexus, a 17 Claude Code 2
j0hanz/filesystem-mcp A local filesystem MCP server that lets LLMs and AI agents read, write, search, diff, patc 17 Claude Code, Codex, OpenCode 2 164 tok
LuxAlgo/luxalgo-mcp-server mcp.luxalgo.com The LuxAlgo ecosystem as MCP tools: free and keyless. 17 Claude Code, Codex, OpenCode 2 1,127 tok
chankov/agent-fleet Pi-first multi-agent orchestration for coding agents—dispatcher, resumable fleets, peer me 17 Claude Code, Codex, OpenCode 6 4,658 tok
wuisabel-gif/Delphin wuisabel-gif.github.io A duplex companion for AI agent CLIs: talk and listen at the same time. 17 Claude Code, Codex 1
marclove/typeforge Basic TypeScript Node.js repository scaffold (no frameworks) with fantastic DX out-of-the- 17 Claude Code, Codex, OpenCode 3 1,663 tok
mcginty/blew A cross-platform BLE Central/Peripheral library, focused on P2P applications 17 Claude Code, Codex, OpenCode 2 6,659 tok
CrowdStrike/fusion-skills crowdstrike.com AI coding assistant skills for building CrowdStrike Falcon Fusion workflows: action discov 16 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 4 3,083 tok
jonlwowski012/copilot-agent-factory Transform any codebase into an AI-powered development environment by automatically detecti 16 Claude Code, GitHub Copilot 17 6,065 tok
lunashia/code-generation-skill Top 20 prompts for Chinese AI programming, packaged as a skill to assist Codex/Claude with 16 Claude Code 1 385 tok
d4rkNinja/arcforge arcforge.infynon.com Production architecture decisions your AI coding agent can explain, challenge, and prove. 16 Claude Code, Codex, GitHub Copilot, OpenCode 3 2,072 tok
isaac-levine/forage npmjs.com Self-improving tool discovery for AI agents. Agents find, install, and learn to use new MC 16 Claude Code 1 919 tok
radimsem/mithril A trustless MCP server that replaces the generic shell tool with validated, sandboxed, pur 16 Claude Code 3 1,709 tok