Building agents

5,661 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 Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
slack-samples/bolt-js-slack-mcp-server A sample app that features an agent that leverages Slack's MCP 16 Claude Code, Codex, OpenCode 2 179 tok
gvastethecreator/codex-studio gvastethecreator.github.io Local-first image studio for generating, reviewing, and organizing AI images through Codex 16 Claude Code, Codex, OpenCode 2 809 tok
teableio/agent-skills 16 Claude Code, Codex, OpenCode 2 2,029 tok
rjpruitt16/aquifer Retry storm mitigation infra for systems that cannot scale instantly 16 Codex, OpenCode 1 1,879 tok
ChilliCream/agent-skills 16 Claude Code, Codex, OpenCode 2 713 tok
delta-exchange/delta-exchange-mcp mcp.delta.exchange Official Delta Exchange MCP 16 Codex, OpenCode 1 6,314 tok
aplaceforallmystuff/spain-ai-kit MCP servers connecting AI applications to Spanish government open data and legal infrastru 16 Claude Code, Codex, Gemini CLI, OpenCode 3 824 tok
evilstar2016/skill-doctor npmjs.com Local CLI for auditing AI agent skills, conflicts, duplicates, safety risks, and context c 16 Claude Code, Codex, OpenCode 3 1,604 tok
TueJon/webmcpify webmcpify.at WebMCP agent skill — make any web app agent-ready, verifiably: inventory, integrate, verif 16 Codex, OpenCode 1 648 tok
heygen-com/liveavatar-agent-skills A collection of skills to help coding agents onboard to LiveAvatar. 16 Claude Code, Codex, OpenCode 2 1,683 tok
nosolosoft/opencode-mcp MCP Server for OpenCode CLI integration - Execute OpenCode commands, manage sessions, and 16 Claude Code, Codex, OpenCode 2 4,288 tok
tommyengstrom/domaindriven 16 Claude Code, Codex, OpenCode 3 610 tok
mahoushoujyo-eee/eshell 16 Claude Code, Codex 23 —
rupakm/leslie 16 Claude Code, Codex, OpenCode 22 1,223 tok
alexhraber/tensors-to-consciousness Explore the Mathematical Foundations of AI/ML: From Tensors to Consciousness 16 Claude Code, Codex, Gemini CLI, OpenCode 3 2,799 tok
openid-certification/conformance-suite gitlab.com Read-only mirror of https://gitlab.com/openid/conformance-suite - merge requests MUST be s 16 Claude Code, Codex, OpenCode 5 7,613 tok
Cloud-Solutions-International/antikythera Automated test generation for spring apps 16 Codex, GitHub Copilot, Cursor, OpenCode 3 896 tok
daochild/agents-config Agents config for development 16 Claude Code, Codex, GitHub Copilot, OpenCode 4 4,074 tok
tobitege/Flowery.Uno Beautiful themed components for Uno Platform in C# 16 Codex, OpenCode 1 4,608 tok
XAIHT/Tlamatini xaiht.org Speak an idea. Build the real thing. Tlamatini brings AI to code, 3D worlds and hardware: 15 Claude Code, Codex, Gemini CLI, OpenCode 13 56,267 tok
buildoak/fieldwork-skills Battle-tested skills for AI agents that do real work 15 Codex, OpenCode 1 712 tok
EntityProcess/agentv agentv.dev Light-weight AI agent evaluation and optimization framework 15 Claude Code, Codex, OpenCode 2 3,189 tok
DKeken/codex-skills-alternative 17 vendor-neutral Agent Skills (SKILL.md) reimplementing the Codex Creative Production + P 15 Codex, OpenCode 1 352 tok
cloudx-io/cloudx-sdk-agents docs.cloudx.io AI-agent guidance for integrating the CloudX SDK — Claude Code, Codex, and Cursor. Facts f 15 Claude Code, Codex, OpenCode 2 524 tok
45ck/skill-harness Umbrella installer and agent harness for the skill-pack suite across Claude and Codex. 15 Claude Code, Codex, OpenCode 2 2,503 tok
polyblank66/Nyamu Minimal MCP server for Unity, designed to reliably check script compilation 15 Claude Code, Codex, Gemini CLI, OpenCode 3 2,935 tok
namastexlabs/automagik-tools deepwiki.com From API to AI in 30 Seconds - Transform any API into an intelligent MCP agent that learns 15 Claude Code, Codex, OpenCode 22 3,783 tok
pmady/gpu-mcp-server gpu-mcp-server.readthedocs.io MCP server for NVIDIA GPU metrics give AI agents real-time access to GPU utilization, memo 15 Codex, OpenCode 1 433 tok
Thomas97460/quota-tracker High-precision quota and token monitoring for AI Agents. Real-time analytics and usage tra 15 Claude Code, Codex, OpenCode 2 2,475 tok
centsandcode/rubber-duck centsandcode.github.io Socratic debugging for AI agents. Don't give me the answer. Help me find it. 15 Codex, OpenCode 1 856 tok
CodeAlive-AI/codealive-skills Agent skills for CodeAlive — semantic code search and AI-powered codebase answers. Works w 15 Claude Code, Codex, OpenCode 2 639 tok
jascal/orca-lang Orca (Orchestrated State Machine Language) — an LLM-native code generation target 15 Claude Code, Codex, OpenCode 8 9,776 tok
elasticdotventures/_b00t_ b00t.promptexecution.com 🥾 _b00t_: state of the art agentic harness tooling & dynamic context initialization 15 Claude Code, Codex, Gemini CLI, OpenCode 54 6,691 tok
Brandcode-Studio/brandsystem-mcp brandcode.studio Use existing brand guidelines with AI. Turn websites, PDFs, and Figma into a portable .bra 15 Claude Code, Codex, OpenCode 2 4,474 tok
manushi4/Screenhand screenhand.com Give AI eyes and hands on your desktop. Open-source MCP server for desktop automation — sc 15 Claude Code, Codex, OpenCode 12 5,310 tok
Ju571nK/sigil sigilworks.net Open-source config scanner for AI coding agents: scores the permissions, hooks, sandbox an 15 Codex, OpenCode 1 425 tok
cote-star/agent-chorus Local-first CLI to read, compare, and hand off sessions across Claude Code, Codex, Gemini, 15 Claude Code, Codex, Cursor, Gemini CLI, OpenCode 4 4,938 tok
yusong652/yade-mcp pypi.org MCP server connecting AI agents to YADE — run DEM simulations through natural conversation 15 Claude Code, Codex, OpenCode 2 1,379 tok
codybrom/clairvoyance clairvoyance.fyi ESP for AI Coding — Agent skills on the philosophy on software design, grounded in decades 15 Codex, OpenCode 1 659 tok
agno-agi/context agno.com A self-hosted context manager. @context organizes your work into a private CRM and knowled 15 Claude Code, Codex, OpenCode 7 10,801 tok
zaxardery8011-design/line-persona zax.com.tw LINE Shadow Clone — a low-barrier, BYO-AI open-source framework for LINE clones. Just ask 15 Claude Code, Codex, OpenCode 2 8,473 tok
Automattic/radical-pipelines automattic.github.io Set of tools to orchestrate autonomous development pipelines 15 Claude Code, Codex, OpenCode 2 1,265 tok
claude-code-expert/carve-harness Harness Engineering for Project 15 Claude Code, Codex, Cursor, OpenCode 43 2,558 tok
EvilFreelancer/gpu-server-setup Agent skill that prepares a Linux server with NVIDIA or Intel Arc GPUs for LLM workloads - 15 Codex, OpenCode 1 1,706 tok
Nebu1eto/choco-pi opinionated, project-aware configuration for the Pi coding agent 15 Claude Code, Codex, OpenCode 16 620 tok
sgskills/sgxueai “AI E-Commerce Fundamentals: From Beginner to Mastery” public-interest course website · Pr 15 Codex, OpenCode 1 1,376 tok
badai147/dsh-global-rules A plugin for editing the global rules in ~/.dsh/AGENTS.md from the DeepSeek Harness Web se 15 Codex, OpenCode 1 978 tok
databricks-solutions/genie-code-skills-demo databricks.com Example Genie Code skills, custom instructions, and MCP setup for enforcing enterprise dat 15 Codex, OpenCode 1 599 tok
aplaceforallmystuff/mcp-local-llm MCP server for delegating mechanical tasks to local LLMs via Ollama. Claude does the think 15 Claude Code, Codex, Gemini CLI, OpenCode 3 378 tok
dhaupin/vant vant.creadev.org Vant: Versatile Autonomous Networked Tool - Durable agent OS + memory + cold storage + run 15 Codex, OpenCode 1 11,922 tok