567 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 Code6,578Data and AI3,695Backend and APIs3,487Languages3,404Planning3,188Git and workflow3,106Code review2,712Memory and context2,351Testing2,325Research2,289DevOps and cloud2,283Writing and docs2,279
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| tanaikech/nexus-mcp-extension medium.com Nexus-MCP solves Tool Space Interference in LLMs. It uses a single gateway to aggregate mu | 4 | Gemini CLI | 1 | 905 tok |
| dcc-mcp/dcc-mcp-3dsmax pypi.org 3ds Max adapter for the DCC Model Context Protocol ecosystem | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 8 | 3,613 tok |
| craigcossairt/trellis The structure a project grows on: a free starter template for AI-assisted development. One | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 9 | 3,948 tok |
| SeidSmatti/promptPrimer Meta-prompt system for agentic CLIs. Classifies your task, loads domain-specific best prac | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,731 tok |
| jgiox/goodvibes One command. Production-grade project. No config. | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, Kiro, OpenCode, Windsurf | 15 | 6,796 tok |
| Rebell-Leader/SpatialAI_MCP Empowering spatial transcriptomics research by providing AI agents with a standardized int | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 8 | 9,039 tok |
| moasq/ios-dev-agent Universal iOS development agent - skills, rules, MCP servers for Claude Code, Codex, Curso | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 725 tok |
| dirnbauer/typo3-skills TYPO3 v14 Agent Skills: 26 owned + 11 vendored, with a measured eval harness and a single | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 5 | 5,971 tok |
| greglas75/codesift codesift.dev Token-efficient code intelligence for AI agents — 66 MCP tools via tree-sitter AST, BM25F | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 25,440 tok |
| VoytechG/spec-driven-development Multi-area spec-driven development plugin for Claude Code, Codex, and Gemini CLI. Loads th | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 868 tok |
| rweisssieker-xp/GBL-CREO-WINDCHILL-MCP MCP Server for Creo and Windchill | 4 | Gemini CLI | 14 | — |
| jaskaranhundal/usap-skills usap-security.vercel.app Open-source AI cybersecurity agent skills for SOC, incident response, threat hunting, red | 4 | Claude Code, Gemini CLI | 2 | 2,781 tok |
| jeffreytse/grimoire-core grimoire.jeffreytse.net 🧙 Official best-practice skill library for grimoire — 1000+ skills across engineering, te | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,494 tok |
| xrcodexcode/xr_node Personal wiki | 4 | Claude Code, Codex, Gemini CLI | 5 | 6,109 tok |
| qut-dmrc/buttermilk | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 10 | 75 tok |
| ShiftinBits/constellation-mcp docs.constellationdev.io Code Intelligence Platform for AI Coding Assistants | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 1,974 tok |
| Apomera/AlloFlow apomera.github.io AI-powered instructional differentiation engine that runs in Gemini canvas preview mode. A | 3 | Claude Code, Gemini CLI | 9 | — |
| ihabkhaled/AI-Psychiatry AI-Psychiatry is a Claude plugin that gives AI coding agents an executive-function layer t | 3 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 390 tok |
| Kin9Zeus/senior-engineer-skills Turn Claude Code into a senior engineering organization — 15 skills for full-spectrum audi | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,116 tok |
| Spe1977/cli-collaboration Handoff-first protocol for coordinating Codex, Claude Code, Gemini/Antigravity CLI & Grok | 3 | Claude Code, Gemini CLI | 2 | 1,550 tok |
| momentmaker/kaijutsu kaijutsu.dev Write your dev workflow once. Run it on any LLM. Open agent skills + multi-model swarm + a | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,890 tok |
| fmind/agent-levers fmind.github.io Levers for AI coding agents (Claude Code, Gemini CLI, GitHub Copilot, OpenCode) — multiply | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 640 tok |
| HubWu42/hubwu-skills HubWu's curated collection of open-source Agent Skills — cross-agent compatible, following | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 834 tok |
| ArtemioPadilla/agent-triforce PM + Dev + QA agents engineered for structure, security, and short context windows. | 3 | Claude Code, Gemini CLI | 2 | 3,802 tok |
| Heretyc/subagent-mcp npmjs.com subagent-mcp is an MCP stdio server that turns an AI coding assistant (Claude Code, Codex, | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 9,043 tok |
| godstale/IDE-Adapter hellollama.net IDEA (Integrated Development Environment Adapter) is a VS Code extension that exposes IDE | 3 | Claude Code, Gemini CLI | 2 | 2,091 tok |
| ThirdKeyAI/symbi-gemini-cli symbiont.dev Use Symbiont's zero-trust governance with Gemini CLI | 3 | Gemini CLI | 1 | 1,005 tok |
| aaronhuff/awesome-gemini A curated list of resources, tools, apps, and power-user workflows for Google Gemini | 3 | Gemini CLI | 1 | 554 tok |
| prantikmedhi/auto-skill-finder prantikmedhi.github.io Universal AI skill router — auto-detects best installed skill per prompt + activates cavem | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,053 tok |
| infotradescout/Selective-Intelligence infotradescout.github.io Selective Intelligence turns minimal intent into grounded, token-efficient AI work: resear | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 999 tok |
| oculus-samples/Unity-VirtualCameraPublisher A Sample Project for the Virtual Camera Publisher API in Unity | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 1,080 tok |
| edenbuilds/arya-ai | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 426 tok |
| SecondLifes/delphi-expert An opinionated ecosystem of rules, skills and steerings to elevate Delphi development to s | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 11,182 tok |
| sarkarsaurabh27/agent-loop-learning Reference library and skill toolkit for auditing, reviewing, and improving LLM-based agent | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 2,833 tok |
| megaacheyounes/ohos-mcp-unofficial This is an unofficial MCP server providing documentation search for OpenHarmony/HarmonyOS | 3 | Codex, Gemini CLI, OpenCode | 2 | 890 tok |
| aplaceforallmystuff/mcp-wp-abilities MCP server for WordPress 6.9+ Abilities API - dynamically exposes WordPress abilities as A | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 323 tok |
| moabualruz/fulcrum Local-first Agent OS — project management, agent orchestration, docs, memory, and develope | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,706 tok |
| DaRabus/prompt-tracker PromptVault: A self-hosted, local-first dashboard that watches your AI CLI history files ( | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 5,774 tok |
| maxgfr/conforme Sync your AI coding config from Claude Code, Cursor, or any tool — rules, skills, agents, | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 8 | 14,944 tok |
| criger/Agentic-Ground-Rules Model-agnostic AGENTS.md templates and project instructions for AI coding agents such as C | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 442 tok |
| Enovatr-Labs/SpecRoute Open source framework for spec-driven agentic software engineering. PRDs, prompts, agents, | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 7 | 3,090 tok |
| AgiFlow/ai-plugin Agiflow's plugin for Codex, Claude Code, Antigravity, Cursor | 3 | Gemini CLI | 1 | 25 tok |
| MakeaMouse/fish-bridge-mcp An economical and fuel(token) efficient AI tool, graph session memory for looong chat sess | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 360 tok |
| Wolfe-Jam/gemini-faf-mcp faf.one Persistent Project Context for Google Gemini — IANA-registered .faf format · MCP server + | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,832 tok |
| laffeyp/cascade-img greenrosesystems.com MCP server for LLM-operable Midjourney image generation — compose, generate, inspect with | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 9,467 tok |
| vish288/mcp-coda pypi.org MCP server for Coda API — 54 tools, 12 resources, 5 prompts. Docs, pages, tables, rows, fo | 2 | Codex, Gemini CLI, OpenCode | 2 | 2,292 tok |
| yannmenec/inspectrum Catch the bad plan before you spend the tokens. Cross-LLM peer review via MCP. | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,681 tok |
| mcqua007/agents-skeleton A language-agnostic starter repo for AI-powered development. Single-source-of-truth AGENTS | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 908 tok |
| bhumitschaudhry/Slopnought A multi-agent maintainability skill that ensures AI-generated code stands strong for centu | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 679 tok |
| cote-star/agent-context Navigation contract for AI coding agents in large repos. Templates, validation scripts, an | 2 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 342 tok |