8,489 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
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| soenkenils/mailbox-mcp-server | 5 | Claude Code, GitHub Copilot | 8 | 1,476 tok |
| mrsimpson/agentskills-mcp MCP server that exposes Claude Code Agent Skills to any MCP-compatible agent | 5 | Claude Code | 1 | — |
| Walvez/grok-subagent Use the official Grok Build CLI as a controlled external subagent for Codex via ACP and MC | 5 | Codex, OpenCode | 1 | 591 tok |
| funtusov/mcp-server-architect | 5 | Claude Code | 1 | 848 tok |
| jaskaranhundal/usap-skills usap-security.vercel.app Open-source AI cybersecurity agent skills for SOC, incident response, threat hunting, red | 5 | Claude Code, Gemini CLI | 2 | 2,781 tok |
| The-40-Thieves/codecalc the40thieves.dev Universal code & logic calculator for AI models: 51 MCP tools across 31 languages. Rust-sa | 5 | Claude Code, Codex, OpenCode | 2 | 222 tok |
| p1va/symbols MCP to read, inspect and navigate codebase symbols by connecting to a Language Server | 5 | Claude Code, Codex, OpenCode | 5 | 2,592 tok |
| prashantsinghmangat/TraceBug-ai tracebug.dev | 5 | Claude Code | 4 | 1,066 tok |
| apideck-libraries/api-skills developers.apideck.com One abstraction, 146 SaaS connectors. Agent skills for Apideck's Unified API — integrate S | 5 | Codex, OpenCode | 1 | 975 tok |
| fullymiddleaged/Clawness Claude Code & OpenClaw plugin, with a context-aware rules engine that injects only the rul | 5 | Claude Code | 2 | 19,258 tok |
| wayne930242/straw-boss Task coordination for Codex CLI and Claude Code: carry bounded work directly or dispatch H | 5 | Claude Code, Codex, OpenCode | 2 | 76 tok |
| hugo-alves/TokenGochi A mildly dystopian ESP32 virtual pet fed by your Claude Code and Codex CLI token usage. | 5 | Codex, OpenCode | 1 | 1,842 tok |
| dwgx/claude-codex-subagent Claude Code skill for delegating scoped worker tasks to the local Codex CLI | 5 | Claude Code, Codex, OpenCode | 2 | 1,662 tok |
| Lucabiz/agentscribe One source of truth for your AI agent instructions — generate and validate AGENTS.md, CLAU | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,819 tok |
| KultivatorConsulting/pikvm_mcp_server PiKVM MCP Server | 5 | Codex, OpenCode | 1 | 1,468 tok |
| mrnajiboy/ebay-mcp-remote-edition npmjs.com Open source MCP server providing AI assistants with comprehensive access to eBay's Sell AP | 5 | Codex, OpenCode | 1 | 1,557 tok |
| cyanheads/usaspending-mcp-server npmjs.com Access US federal award, recipient, agency, and spending analytics data from USAspending.g | 5 | Claude Code, Codex, OpenCode | 2 | 15,798 tok |
| searchstefano/agenticschema searchstefano.github.io Turn Schema.org, JSON-LD, RDFa and Microdata into tools for AI agents. Zero backend, brows | 5 | Claude Code, Codex | 2 | — |
| orieg/yaml-workflow orieg.github.io A lightweight, powerful, and flexible workflow engine that executes tasks defined in YAML | 5 | Claude Code, Codex, OpenCode | 5 | 968 tok |
| cfrs2005/mcp-gs-robot MCP Server for Gausium Robot OpenAPI - Control and monitor Gausium cleaning robots through | 5 | Claude Code | 1 | 1,746 tok |
| S2mon123/FEP-Agent-Hub Evidence-first FreeCAD, Elmer FEM, and ParaView MCP automation stack with verified CAE wor | 5 | Codex, OpenCode | 1 | 221 tok |
| Syniox5334/apple-dev-skills Provide essential skills for Apple development, including Xcode workflows, Dash docset man | 5 | Codex, OpenCode | 1 | 1,793 tok |
| krishddd/llm-wiki pypi.org A self-healing local knowledge base where a local LLM compounds your documents across four | 5 | Claude Code, Codex, OpenCode | 2 | 8,670 tok |
| DaveGold/mcp-metadata-demo davidgolverdingen.nl Demo MCP server + MCP apps, and the evals that tested its metadata: what actually reaches | 5 | Claude Code, Codex | 18 | — |
| erhangundogan/videre videre.sh Multimedia library for the age of AI | 5 | Claude Code, Codex, OpenCode | 2 | 1,827 tok |
| maxgfr/conforme Sync your AI coding config from Claude Code, Codex, or any tool (rules, skills, agents, MC | 5 | Claude Code, Codex, GitHub Copilot, Gemini CLI, Kiro, OpenCode | 9 | 44,667 tok |
| agno-agi/agentos-render docs.agno.com AgentOS: Serve agents over API, MCP, and chat interfaces like Slack | 5 | Claude Code, Codex, OpenCode | 10 | 2,377 tok |
| cerbos/skills cerbos.dev Agent skills for Cerbos, the authorization management platform. Enforce fine-grained, cont | 5 | Codex, Gemini CLI, OpenCode | 2 | 1,516 tok |
| staticaland/skills Ceremonial grade agent skills 🫖 | 5 | Claude Code, Codex, OpenCode | 7 | 949 tok |
| cantian-ai/agent-skill | 5 | Codex, OpenCode | 1 | 1,950 tok |
| hanzixuan58521/zixuan-agent-constitution A personal AI agent constitution combining Occam's razor, first principles, beginning with | 5 | Codex, OpenCode | 1 | 3,941 tok |
| Addono/gh-attach Upload images to GitHub issues, PRs, and comments — from the CLI or via MCP. | 5 | Claude Code, Codex, OpenCode | 5 | 312 tok |
| 0marm0/COORD-Harness An autonomous multi-agent orchestration harness. Agents coordinate through one SQLite-WAL | 5 | Claude Code, Codex, OpenCode | 8 | 1,458 tok |
| mjbommar/kernel-lore-mcp pypi.org MCP + REST server exposing fast search over Linux kernel mailing list archives (lore.kerne | 5 | Claude Code | 1 | 4,948 tok |
| trilitech/octez-manager | 5 | Claude Code, Codex, OpenCode | 11 | 4,662 tok |
| antosubash/SimpleModule app.simplemodule.dev | 5 | Claude Code, Codex, OpenCode | 15 | 4,172 tok |
| kostadis/CampaignGenerator | 5 | Claude Code, Codex | 14 | 10,091 tok |
| AhmedAlnasser2000/REZANOVA-CAS-CALCULATOR Rezanova CAS CLASSWIZ (or simply Rezanvoa CAS) is an open-source symbolic calculator and | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,736 tok |
| oligamiq/wasi_virt_layer WASI virtualization layer. WASI bin can be made to run at high speed. | 5 | Codex, Gemini CLI, OpenCode | 2 | 1,360 tok |
| lionshilov/Forge From raw idea to shipped MVP with a team of specialist AI agents inside Claude Code. Zero | 5 | Claude Code, Codex, OpenCode | 22 | 2,830 tok |
| kamiletar/letar forms.letar.best Open workshop: schema-driven forms for React, Vue and Angular (@letar/forms), plus a monor | 5 | Claude Code, Codex, OpenCode | 7 | 5,785 tok |
| MoonCellar-Team/MoonCellar mooncellar.space Game tracking database with a wheel of fortune — Next.js 16, React 19, TypeScript | 5 | Claude Code, Codex, OpenCode | 12 | 5,077 tok |
| jovandyaz/knowtis-app knowtis.app Collaborative notes with an AI that reads, edits, and studies alongside you. | 4 | Claude Code, Codex, OpenCode | 13 | 826 tok |
| semihkayan/codeweave-mcp npmjs.com MCP server that gives AI agents semantic search tool. Builds AST, call graphs, type graphs | 4 | Claude Code | 10 | 1,950 tok |
| toolkit-ai/magnet-mcp-server An MCP server for interacting with Magnet (magnet.run) | 4 | Claude Code | 9 | 507 tok |
| citarreikee/AGuild | 4 | Claude Code | 1 | 267 tok |
| syf2211/ruledoctor skills.sh Agent Skill: read CLAUDE.md & project rules before coding. Optional CLI audit + hooks. Cla | 4 | Claude Code, Codex, OpenCode | 4 | 215 tok |
| Warmplane/warmplane A Local Control Plane for Deterministic, Token-Efficient MCP Operations | 4 | Claude Code, Codex, OpenCode | 3 | 1,157 tok |
| hanzhangzzz/burnkit npmjs.com AI coding workflow pressure toolkit — Claude Provider Router, iTerm2 Tab Color, Burn AI | 4 | Claude Code, Codex, OpenCode | 2 | 416 tok |
| V-Songbird/foundry ⚒️ Three Claude Code plugins: foreman keeps the plan, hush cuts the chatter, razor stops t | 4 | Claude Code, Codex, OpenCode | 4 | 4,232 tok |