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
ldilov/harness-forge AI coding agent runtime that makes LLMs understand your codebase with repository-aware con 6 Claude Code, Codex, OpenCode 3 4,585 tok
AbdurRafay2004/handoff A memory and workflow plugin for Claude Code. Just markdown files, No server, no database, 6 Claude Code, Codex, OpenCode 2 2,465 tok
zenml-io/kitaru-skills zenml.io Agent skills for designing and building durable AI agent workflows with Kitaru 6 Claude Code, Codex, OpenCode 2 2,817 tok
Ker102/Harneloop harneloop.kaelux.dev Build self-improving AI agent harnesses with portable harness units, artifact-aware testin 6 Codex, OpenCode 1 1,014 tok
zaxardery8011-design/execution-proofs Runtime artifact existence & freshness verification for AI agent completion claims. A ligh 6 Codex, OpenCode 1 2,121 tok
blendsdk/fluentui-mcp Agent Skill that teaches AI coding assistants Microsoft Fluent UI React v9 with component, 6 Claude Code, Codex, OpenCode 2 1,126 tok
Reederey87/grok-build-codex-plugin Codex CLI plugin: delegate reviews and bounded coding tasks to the local Grok Build CLI vi 6 Claude Code, Codex, OpenCode 2 733 tok
moasq/ios-dev-agent Universal iOS development agent - skills, rules, MCP servers for Claude Code, Codex, Curso 6 Claude Code, Codex, Gemini CLI, OpenCode 3 725 tok
bengous/claude-code-plugins Opinionated plugins and workflow extensions for Claude Code. 6 Claude Code, Codex, OpenCode 14 1,796 tok
windyroad/agent-plugins windyroad.github.io Claude Code plugins for architecture governance, risk management, TDD, and delivery qualit 6 Claude Code, Codex, OpenCode 3 2,359 tok
thrashr888/thrashr888-agent-kit Claude Code plugins and marketplace 6 Claude Code, Codex, OpenCode 3 1,912 tok
HenriqueCotta/ownership-driven-ai-customization-architecture Scalable architecture for GitHub Copilot custom instructions, skills, and AGENTS.md across 6 Claude Code, Codex, GitHub Copilot 3 112 tok
promptctl/laws Claude Code plugin: laws for writing high quality code and llm guidance 6 Claude Code, Codex, OpenCode 4 200 tok
prathamdby/skills 📚 A collection of my day-to-day skills. 6 Codex, OpenCode 1 412 tok
cirwel/unitares cirwel.org Accountability infrastructure for long-running AI agents. Self-hosted MCP server: identity 6 Claude Code, Codex, OpenCode 2 20,867 tok
weselow/Yandex-webmaster-mcp-server MCP server for the Yandex Webmaster API v4 — provides 46 tools for managing sites, sitemap 6 Claude Code, Codex, OpenCode 21 2,632 tok
swkstudios/unifi-fabric-mcp-server MCP server for UniFi Fabric API: manage your entire UniFi network through any AI assistant 6 Claude Code, Codex, OpenCode 2 4,948 tok
cyanheads/hn-mcp-server npmjs.com Browse Hacker News feeds, threads, and user profiles with full-text search via MCP. STDIO 6 Claude Code, Codex, OpenCode 2 16,320 tok
GiulioDER/RE-call giulioder.github.io Memory that abstains instead of guessing: agent memory on your own Postgres with a verdict 6 Claude Code, Codex, OpenCode 2 2,593 tok
kitepon/aiterm-mcp npmjs.com One persistent MCP terminal your AI drives — and launches other coding agents (Codex/Grok/ 6 Codex, OpenCode 1 3,895 tok
vsladkov/claudex-stereo claudex-stereo.com Claude Code, in stereo: Claude plans and reviews, Codex implements. 6 Claude Code, Codex, OpenCode 2 5,899 tok
imMamdouhaboammar/get-fable get-fable.vercel.app A portable coding lifecycle for AI agents with deterministic routing across 42 skills, dur 6 Codex, OpenCode 1 207 tok
jeffreytse/grimoire-core grimoire.jeffreytse.net 🧙 Official best-practice skill library for grimoire — 1000+ skills across engineering, te 6 Claude Code, Codex, Gemini CLI, OpenCode 3 2,494 tok
RightNow-AI/autoevolve Agent-native evolutionary optimization. Say the goal in english, evolve code toward a meas 6 Claude Code, Codex, OpenCode 2 6,250 tok
moabualruz/fulcrum Local-first Agent OS — project management, agent orchestration, docs, memory, and develope 6 Claude Code, Codex, Gemini CLI, OpenCode 3 5,706 tok
tomevault-io/companyos tomevault.io A complete, opinionated, fork-friendly operating system for an AI-instructed company. Thre 6 Claude Code, Codex, OpenCode 2 1,049 tok
matasarei/antigravity-companion plugins.jetbrains.com JetBrains IDE plugin that connects the Google Antigravity CLI (agy) to IntelliJ-based IDEs 6 Codex, OpenCode 1 3,257 tok
shipshitgames/skills AI agent skills for vibe-coding 3D browser games with Claude Code + Codex 6 Claude Code, Codex, OpenCode 2 467 tok
liatrio-labs/ai-prompts Curated collection of prompts for AI coding assistants supporting development workflows, d 6 Claude Code, Codex, OpenCode 8 283 tok
harness-mini/harness-mini harness-mini-website.vercel.app A minimal outer harness for developers' long coding tasks. Files + shell: skills, sub-agen 6 Codex, OpenCode 1 2,126 tok
cyanheads/orcid-mcp-server npmjs.com Search and retrieve researcher profiles, works, affiliations, funding, and peer review rec 6 Claude Code, Codex, OpenCode 2 16,306 tok
yuluod/AllSessions A local-first desktop workspace for browsing, searching, and managing Codex, Claude Code, 6 Codex, OpenCode 1 2,070 tok
hronaut/hronaut hronaut.dev Give your coding agent its own browser. Keep yours. A visible desktop browser for coding a 6 Claude Code, Codex, OpenCode 3 3,302 tok
dfridkin/clawops clawops.fyi Deploy and operate self-hosted OpenClaw on AWS, GCP, Azure or your own VM, from the comman 6 Claude Code, Codex, OpenCode 11 3,864 tok
Iron-Mark/Hackathon-Stellaroid_Earn stellaroid.tech Stellaroid Earn — On-chain credential registry and payment rail on Stellar. Issue, verify, 6 Claude Code, Codex, OpenCode 3 1,781 tok
nushey/agents-md-generator Mcp server to create agents-md efficiently 6 Claude Code, Codex, GitHub Copilot, OpenCode 3 1,335 tok
namastexlabs/automagik-cli A powerful TypeScript-based CLI chat application for interacting with multi-agent AI syste 6 Claude Code, Codex, OpenCode 14 3,783 tok
dnsabby/MSITM.6341 Python Class Shared Project Directory 6 Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode 61 933 tok
lucaspressi/claudekit-engineer 6 Claude Code, Codex, Gemini CLI, OpenCode 10 2,006 tok
IgorGanapolsky/openclaw-console Native iOS & Android mobile console for OpenClaw agents. Biometric approvals, real-time mo 6 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 18 6,676 tok
hydrolix/grafana-datasource-plugin Hydrolix data source for Grafana 6 Claude Code, Codex, Gemini CLI, OpenCode 8 93 tok
gemyago/apigen HTTP API Layer Generator for the Go (golang) projects 6 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 4 1,653 tok
aegntic/cognitive-os aegntic.github.io Cognitive OS v3.0 — Universal AI agent operating system specification. 16-section cognitiv 5 Claude Code, Codex, Cursor, Gemini CLI, OpenCode 4 8,074 tok
Digital-Threads/token-pilot npmjs.com Save 60-80% tokens when AI reads code — MCP server for token-efficient code navigation wit 5 Claude Code, Codex, OpenCode 2 1,662 tok
cioffiAI/mcp-agora MCP Server with cross-agent persistent memory for AI agent fleets. Vector memory (ChromaDB 5 Codex, OpenCode 1 3,759 tok
iamalisson/inquisitor Hypothesis-driven problem solving for AI agents: probe, falsify, escalate — never blind-re 5 Codex, OpenCode 1 1,531 tok
Sapientropic/AIppocampus aippocampus.com Source-backed continuity layer for long-running AI agent relationships. 5 Claude Code, Codex, OpenCode 3 2,664 tok
Shangri-la-0428/Thronglets P2P shared memory substrate for AI agents — stigmergic knowledge network via libp2p 5 Claude Code, Codex, OpenCode 2 4,571 tok
xxxoooxoxo/wiff Harness-agnostic, deterministic, resumable multi-agent workflows — plain-JavaScript orches 5 Codex, OpenCode 1 1,288 tok
tremtec/maestro 🎵 Maestro - an LLM Orchestrator for your Agentic Opera 5 Codex, OpenCode 1 2,743 tok