23,799 repositories keep their own agent configuration in the open: a CLAUDE.md, a rules file, instructions for Copilot, a skill the project runs on itself. These are not mods to install. They are worth reading for what they reveal — what a maintainer thinks an agent gets wrong.
Building agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| IshaanDugar/waveq Give your AI assistant eyes on VCD waveforms - local MCP server, zero dependencies, exact | 2 | Codex, OpenCode | 1 | 199 tok |
| codestable/cs-agent-mcp | 2 | Codex, OpenCode | 1 | 662 tok |
| Parra-Inc/feedback-mcp Free, open-source, self-hosted feedback collection with a built-in MCP server. One endpoin | 2 | Claude Code, Codex, OpenCode | 2 | 159 tok |
| mcp-gtw/mcp-gtw pypi.org Generic, installable Model Context Protocol (MCP) gateway. | 2 | Codex, OpenCode | 1 | 3,807 tok |
| tpeppers/m59-harness Play Meridian 59 as a real player character, from an agent. MCP broker, protocol client, r | 2 | Claude Code, Codex, OpenCode | 11 | 27,484 tok |
| getpostern/postern getpostern.com The personal context gateway — connect the sectors of your life once, reach them from any | 2 | Claude Code, Codex, OpenCode | 4 | 2,361 tok |
| grglzrv/jenkins-mcp-server Secure-by-design Jenkins MCP server with runtime guardrails. Minibridge integration for Re | 2 | Codex, OpenCode | 1 | 35 tok |
| tao-io/foldcase The typed, headless test loop for Foldkit components: Effect Schema reports, Model and Mes | 2 | Codex, OpenCode | 1 | 2,329 tok |
| psychofanPLAYS/gemini4codex-mcp Model Context Protocol (MCP) server bringing Gemini's advanced agentic capabilities to Cod | 2 | Codex, Gemini CLI, OpenCode | 2 | 601 tok |
| mirsella/context7-account-broker context7.com Quota-aware Context7 MCP broker with multi-account routing, caching, affinity, failover, a | 2 | Codex, OpenCode | 1 | 74 tok |
| padzup/linkavista-mcp | 2 | Codex, OpenCode | 1 | 360 tok |
| Joe15935/ios-agent-bridge An open-source control plane that gives Codex and other MCP agents hands on a real iPhone. | 2 | Codex, OpenCode | 2 | 443 tok |
| sandraschi/midasheng-gen-mcp MCP server generating coherent 16 kHz mixed audio scenes from text - speech, music, sound | 2 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,231 tok |
| pedrogmbh/whatsmcp Non-official MCP for the Z-API platform (WhatsApp) | 2 | Claude Code, Codex, OpenCode | 2 | 2,356 tok |
| Thebeardedambivert/shopify-ai-ops-agent Autonomous, human-governed ecommerce operations agent built with LangGraph v1, 5 Model Con | 2 | Claude Code, Codex, OpenCode | 14 | 916 tok |
| hygef-v4/youtube-studio-mcp hygef-v4.github.io High-performance, zero-dependency MCP server connecting AI assistants (Claude, Cursor, Ant | 2 | Claude Code, Codex, OpenCode | 2 | 5,542 tok |
| sandraschi/gitee-mcp Gitee (Chinese GitHub) bridge for AI assistants: humming radar & momentum, repo intel, cro | 2 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 7 | 1,808 tok |
| notluquis/mcp-pjud-cl mcp-pjud.readthedocs.io Servidor MCP no oficial de solo lectura para la consulta pública de causas del Poder Judic | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 7 | 3,172 tok |
| mkslge/piazza-mcp A Piazza MCP Server | 2 | Codex, OpenCode | 2 | 1,219 tok |
| khajaaijaz26/agent-demo-studio Plan-first local MCP, CLI, and Studio for AI agents to record demos and create launches, c | 2 | Claude Code, Codex, OpenCode | 2 | 651 tok |
| ssmurfgg04-gif/context-m Deterministic agent memory. μ=0. Free, local, forever. Mem0-compatible. | 2 | Claude Code, Codex, OpenCode | 3 | 1,505 tok |
| FTWAgency/wpconvert-devtools wpconvert.ai Open-source CLI, MCP server, and API examples for WPConvert.ai | 2 | Claude Code, Codex, OpenCode | 2 | 418 tok |
| Considus/proton-bridge-mcp considus.com Local MCP server for Proton Mail via Proton Mail Bridge. Read, organise and gated-send acc | 2 | Codex, OpenCode | 1 | 1,030 tok |
| hlsitechio/Omarchy-4-AI-Agent-MCP MCP server that gives any LLM full control over an Omarchy Linux desktop — themes, tiling, | 2 | Codex, OpenCode | 1 | 1,700 tok |
| J8k3/aws-payment-cryptography-mcp jacobmarks.com MCP server for AWS Payment Cryptography — key lifecycle, HSM migration analysis, and PCI-a | 2 | Claude Code, Codex, OpenCode | 2 | 4,345 tok |
| arkheiaai/arkheia-mcp Arkheia MCP Trust Server + Enterprise Proxy — fabrication detection for enterprise AI pipe | 2 | Codex, OpenCode | 1 | 1,647 tok |
| cyanheads/osv-advisory-mcp-server npmjs.com Query OSV.dev for package vulnerabilities, batch-audit dependency lists, and fetch full ad | 2 | Claude Code, Codex, OpenCode | 2 | 14,178 tok |
| cyanheads/uniprot-mcp-server npmjs.com Search UniProtKB by protein function, fetch curated records, map IDs across databases, and | 2 | Claude Code, Codex, OpenCode | 2 | 17,440 tok |
| cyanheads/whois-mcp-server npmjs.com Look up domain registration, check registry record status, fetch DNS records, and resolve | 2 | Claude Code, Codex, OpenCode | 2 | 16,076 tok |
| cyanheads/wsdot-mcp-server npmjs.com Query WA highway conditions, ferry schedules, vessel locations, toll rates, border waits, | 2 | Claude Code, Codex, OpenCode | 2 | 13,838 tok |
| cyanheads/musicbrainz-mcp-server npmjs.com Search artists, releases, recordings, works, and labels; traverse relationships; resolve I | 2 | Claude Code, Codex, OpenCode | 2 | 19,680 tok |
| cyanheads/nist-nvd-mcp-server npmjs.com Search and audit CVEs by keyword, severity, CWE, CISA KEV status, and CPE via the NIST Nat | 2 | Claude Code, Codex, OpenCode | 2 | 17,124 tok |
| cyanheads/onebusaway-mcp-server npmjs.com Query stops, routes, real-time arrivals, vehicle positions, and schedules from OneBusAway | 2 | Claude Code, Codex, OpenCode | 2 | 8,235 tok |
| cyanheads/imf-mcp-server npmjs.com Query IMF SDMX 3.0 macroeconomic data — hundreds of dataflows across 190 countries, WEO pr | 2 | Claude Code, Codex, OpenCode | 2 | 18,218 tok |
| cyanheads/mailchimp-mcp-server npmjs.com Draft, test, and send Mailchimp campaigns straight from your MCP client — with audience ma | 2 | Claude Code, Codex, OpenCode | 2 | 12,682 tok |
| cyanheads/nws-weather-mcp-server npmjs.com Get US weather forecasts, active alerts, and current observations via the National Weather | 2 | Claude Code, Codex, OpenCode | 2 | 19,496 tok |
| cyanheads/openfoodfacts-mcp-server npmjs.com Look up food products by barcode, search by keyword, tag, allergen, or nutrition filter, c | 2 | Claude Code, Codex, OpenCode | 2 | 16,066 tok |
| mrslbt/pdf-it npmjs.com Native PDF renderer for AI-generated markdown. Cover page, auto TOC, page-numbered footer. | 2 | Codex, OpenCode | 1 | 1,527 tok |
| cockroachdb/cursor-plugin CockroachDB development plugin for Cursor | 2 | Claude Code, Codex, OpenCode | 2 | 471 tok |
| NicolaiSchmid/pons pons.chat Open-source WhatsApp Business API bridge with MCP server | 2 | Claude Code, Codex, OpenCode | 2 | 4,320 tok |
| frankxai/awesome-agentic-income Web-first catalog of agent-product delivery, metering, billing, attribution, and governanc | 2 | Codex, OpenCode | 1 | 395 tok |
| MausRundung/mcp-explorer jansky-design.com Model Context Protocol server providing advanced file system operations, regex search, imp | 2 | Codex, OpenCode | 1 | 1,151 tok |
| geuneda/geuneda-mcp-unity Unity Editor MCP server — a plugin integrating AI IDEs such as Cursor, Claude Code, Codex, | 2 | Claude Code, Codex, OpenCode | 2 | 4,202 tok |
| mateogon/download-books-mcp MCP server for agent-driven LibGen and Z-Library book search/download with provider-neutra | 2 | Codex, OpenCode | 1 | 112 tok |
| socraticsurge/telugu-calendar-utilities panchangam.astrochaganti.com Telugu Panchangam as calendar feeds — tithi, nakshatra, muhurtams, Ekadashi and 30+ festiv | 2 | Claude Code, Codex, OpenCode | 2 | 1,180 tok |
| MALeitch/live-chemdraw-mcp MCP server connecting Claude to a live ChemDraw window via COM automation | 2 | Claude Code, Codex, OpenCode | 2 | 9,497 tok |
| MasterPlayspots/motionspec motionspec.dev MCP server and CLI for web animation accessibility: deterministic GSAP + CSS, reduced-moti | 2 | Codex, GitHub Copilot, OpenCode | 2 | 3,242 tok |
| NANDI-Services/proxmox-mcp mcp-marketplace.io Open source MCP server for Proxmox VE. Automate, monitor, and operate clusters, VMs, and c | 2 | Claude Code, Codex, OpenCode | 2 | 5,229 tok |
| alexanderolvera/dfhack-mcp An MCP server that exposes a live Dwarf Fortress fort to AI agents as curated, read-only a | 2 | Codex, GitHub Copilot, OpenCode | 2 | 1,968 tok |
| beyondnetcode/evolith_arch32 beyondnetcode.github.io Executable architecture governance. A CLI, MCP server and REST API that check a repository | 2 | Codex, GitHub Copilot, OpenCode | 2 | 2,620 tok |