24,842 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| HappyDoggyAI/superui SuperUI is an agent-agnostic skill set for frontend UI workflows. It is not a single promp | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 391 tok |
| roymondliao/samsara An agentic skills framework | 1 | Claude Code, Codex, OpenCode | 3 | 335 tok |
| duongnguyen321/ag-skills duonguyen.site Agent Configuration Guide / Hướng Dẫn Cấu Hình Agent | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 47 | 766 tok |
| imisic/claude-marketplace ivanmisic.net Claude Code plugin marketplace: senior-review role lenses, dev-workflow generators, anti-s | 1 | Claude Code, Codex, OpenCode | 2 | 1,552 tok |
| Simidas/dsh-compat dshstack.online Inspect and compile Claude Code and Codex plugins into auditable DeepSeek Harness bundles. | 1 | Codex, OpenCode | 1 | 456 tok |
| 2xapi/2Xapi.com-GPT-image-MCP-Server GPT-image-MCP-Server | 1 | Codex, OpenCode | 1 | 1,436 tok |
| wulusai2333/mimo-vision DeepSeek Harness (DSH) native plugin — describe_image tool: a vision bridge (image → mimo- | 1 | Codex, OpenCode | 1 | 1,454 tok |
| zach-source/claude-mailbox MCP mailbox for cross-talk between concurrent Claude Code sessions — beads-backed presence | 1 | Claude Code, Codex, OpenCode | 5 | 2,152 tok |
| Okam-AS/deckhand MCP server on a Mac that boots iOS simulators & Android emulators for any branch/PR and re | 1 | Claude Code, Codex, OpenCode | 6 | 8,547 tok |
| coelhobugado/antigravity-browser-bridge Beta native Chrome and MCP bridge for Antigravity agents, built on Vercel agent-browser | 1 | Codex, OpenCode | 1 | 2,259 tok |
| josephmcgarvey/runcloud-mcp-server An MCP server to interface with your Runcloud managed servers. | 1 | Claude Code, Codex, OpenCode | 5 | 3,848 tok |
| xiaojiou176-open/fileman xiaojiou176-open.github.io Review-first local AI file organizer with dry-run apply, rollback, and agent-safe MCP. | 1 | Claude Code, Codex, OpenCode | 2 | 1,954 tok |
| sandraschi/mastodon-mcp FastMCP Mastodon / ActivityPub client with SOTA webapp and a human-approved outbox for fle | 1 | Claude Code, Codex, OpenCode | 2 | 505 tok |
| sandraschi/pdf-mcp FastMCP PDF intelligence: extract, manipulate, annotate, convert, validate, and LanceDB RA | 1 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 1,765 tok |
| PyaePhyo-Win/mcp-note-app | 1 | Claude Code, Codex, OpenCode | 11 | 1,363 tok |
| Dheerax/opencode_mcp | 1 | Codex, OpenCode | 1 | 1,650 tok |
| Jonnyton/TinyAssets tinyassets.io TinyAssets is a global goals engine, host-run multiplayer daemon platform, and long-horizo | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 29 | 5,143 tok |
| matuteiglesias/matias-context-mcp Read-only MCP gateway for governed context documents and producer manifests. | 1 | Codex, OpenCode | 1 | 2,342 tok |
| xwamt/at-series-mcp-hub | 1 | Codex, OpenCode | 1 | 4,931 tok |
| Inistate/inistate-mcp inistate.com Design, run, and audit business workflows from your AI agent — with confidence gating and | 1 | Codex, OpenCode | 1 | 228 tok |
| duckling1169/valorant-mcp valorant-mcp.vercel.app Ask your AI about your last match: a self-hosted MCP server for VALORANT stats via HenrikD | 1 | Claude Code, Codex, OpenCode | 2 | 243 tok |
| xenitV1/browseweave owl-app.com Secure local browser bridge and MCP server for AI clients | 1 | Codex, OpenCode | 1 | 1,887 tok |
| HiDiHo01/frank-energie-mcp Standalone Model Context Protocol server for Frank Energie | 1 | Codex, OpenCode | 1 | 5,158 tok |
| oyusypenko/rob-mcp MCP server + x402-paid API for Robinhood Chain tokenized stocks — agent-callable premium/d | 1 | Claude Code, Codex, OpenCode | 12 | 6,813 tok |
| natureco-official/verdandi natureco.me Task-context compiler for AI coding agents — TypeScript AST retrieval, bounded source slic | 1 | Codex, OpenCode | 1 | 2,042 tok |
| lgh112/ppt-design-mcp | 1 | Codex, OpenCode | 1 | 353 tok |
| keta1930/icml2026-mcp keta1930.github.io MCP server for session-aware hybrid search over 6,341 ICML 2026 papers | 1 | Claude Code, Codex, OpenCode | 2 | 977 tok |
| VedSoni-dev/primer An open learner record + MCP server. The memory layer for AI tutoring. | 1 | Claude Code, Codex, OpenCode | 2 | 6,981 tok |
| simba87/iiko-mcp MCP server for iiko restaurant management system REST API | 1 | Codex, OpenCode | 1 | 204 tok |
| qipeijun/swagger-docs-mcp qipeijun.github.io MCP Server connecting AI agents with real-time API documentation, allowing AI to directly | 1 | Claude Code, Codex, OpenCode | 2 | 2,066 tok |
| plural-pinelabs/pinelabs-online-mcp The Pine Labs Online MCP Server implements the Model Context Protocol (MCP) to enable seam | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 2,838 tok |
| anomalyarmor/agents AI skills and MCP server for AnomalyArmor data observability | 1 | Claude Code, Codex, OpenCode | 2 | 959 tok |
| shigechika/gws-mcp developers.google.com MCP fork of Google Workspace CLI — exposes Drive, Gmail, Calendar, Sheets, Docs, Chat, Adm | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 6,546 tok |
| threadctx-dev/threadctx-mcp Shared memory MCP server for AI coding agents (Claude Code, Cursor). Free & local by defau | 1 | Claude Code, Codex, OpenCode | 2 | 402 tok |
| slettmayer/geosphere-mcp-server MCP server for weather forecasts: GeoSphere Austria high-resolution data (AROME/INCA/C-LAE | 1 | Claude Code, Codex, OpenCode | 2 | 2,172 tok |
| tantinlala/blossom-mcp Grow your own project plan! | 1 | Claude Code, Codex, OpenCode | 2 | 1,592 tok |
| LusiyAvA/msaw Secure multi-host SSH workspace for AI agents via MCP | 1 | Codex, OpenCode | 1 | 204 tok |
| Transmitt0r/mycelium Shared toolkit for personal-knowledge agent plugins: pluggable LLM/embedding providers, a | 1 | Codex, OpenCode | 1 | 1,465 tok |
| sebastienrousseau/pain001-mcp pain001.com Generate & validate ISO 20022 pain.001 payment files from Claude Desktop, Cursor & other M | 1 | Codex, OpenCode | 1 | 604 tok |
| shofer-dev/claude-code-slang-orchestrator shofer.dev A Claude Code plugin that runs provable, declarative multi-agent workflows: you describe t | 1 | Claude Code, Codex, OpenCode | 2 | 1,187 tok |
| trinity-tick/trinity Trinity: A Triune Architecture for AGI Long-Term Memory | 1 | Codex, OpenCode | 1 | 2,740 tok |
| vicentefelipechile/sourcemod-mcp | 1 | Codex, OpenCode | 1 | 575 tok |
| Johnny-Z13/proofslip proofslip.ai Ephemeral verification for agent workflows. 24-hour receipts your agents check before they | 1 | Claude Code, Codex | 4 | 1,608 tok |
| sovantica/engrava-mcp engrava.ai Model Context Protocol server for Engrava — expose an AI agent memory database to any MCP | 1 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 4,145 tok |
| elicitly/elicitly elicitly.ai Elicitly Free Edition — human-in-the-loop for prompts and Agent Skills over MCP elicitatio | 1 | Claude Code, Codex, OpenCode | 2 | 511 tok |
| dinglebear-ai/soma soma.dinglebear.ai Batteries-included RMCP runtime and scaffold for shipping Rust MCP servers with CLI/REST/H | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 6,471 tok |
| bobuilds/nexustoken-sdk The Internet of AI Agents — Python SDK and MCP server. | 1 | Codex, OpenCode | 1 | 1,023 tok |
| Roop-World/LegalSearch Agent kit and MCP Registry metadata for Roop LegalSearch, a public Indian legal search MCP | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 303 tok |
| Tempguru-co/tempguru-agent-skills tempguru.co W-2 event staffing data for AI agents — coverage, rates, lead times, and compliance for 30 | 1 | Codex, Gemini CLI, OpenCode | 2 | 915 tok |
| vria-consulting/vria-fire-detect kanari.io kanari — free worldwide early-wildfire detection map: NASA/GOES/Meteosat satellites + AI-v | 1 | Claude Code, Codex, OpenCode | 2 | 79 tok |