Building agents

6,707 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
gmickel/better-skill-builder Skill that teaches AI agents how to build Agent Skills for Claude Code, Codex, Amp, and Op 8 Claude Code, Codex, OpenCode 2 360 tok
kstonekuan/webskills WebSkills turns any webpage into an agent skill - npx webskills 8 Claude Code, Codex, OpenCode 2 18 tok
gyuch-an02/claude-omakase 8 Claude Code 1 1,349 tok
DDS-Solutions/AI-TadPole-OS dds-solutions.github.io AI-Tadpole-OS a local-first "development platform" a Lily Pad to jump from for running aut 8 Claude Code, Codex, Gemini CLI, OpenCode 3 4,874 tok
elbruno/ElBruno.ModelContextProtocol Semantic routing for MCP tools - .NET library that indexes MCP tool definitions and return 8 Claude Code, GitHub Copilot 2 2,648 tok
stainless-code/codemap stainless-code.com Cut AI-agent token waste ~90% — query a local SQLite structural index of your JS/TS/CSS co 8 Claude Code, Codex, OpenCode 27 632 tok
spranab/swarmcode spranab.github.io Claude Code instances on different machines can't talk to each other — SwarmCode gives the 8 Claude Code 3 254 tok
anirbanbasu/pymcp pypi.org A template repository for developing MCP servers in Python 8 Claude Code, Codex, OpenCode 2 1,470 tok
replenhq/replen replen.dev Smarter AI Development Workflows 8 Claude Code, Codex, Gemini CLI, OpenCode 3 8,308 tok
beyondeye/aitasks aitasks.io an agentic IDE in your terminal, markdown tasks with YAML frontmatter, git-native, zero in 8 Claude Code, Codex, OpenCode 5 8,653 tok
DorianSchlede/nexus-template 8 Claude Code, Codex, Cursor, Gemini CLI, OpenCode 12 377 tok
naimax/agent-harness-reference A minimal working example of a two-level agent harness: rules/subagents, control plane (WI 8 Claude Code, Codex, Cursor, OpenCode 4 284 tok
zyx77550/sparda AI writes. SPARDA proves. A deterministic, offline gate that catches when an AI edit remov 8 Claude Code, Gemini CLI 2 6,039 tok
serdaraytac/agentsitter Analyze, score, and optimize AI coding agent config files (CLAUDE.md, .cursorrules, .cline 8 Claude Code 1 532 tok
Khar-AG/t-800-agent T-800 Agent — Skynet's workshop for Cursor: create commands, skills, and subagents; audit 8 Claude Code, Cursor 42 —
Ozzeron/prompt-pack Curated AI coding skills focused on reducing AI-generated technical debt — reuse before cr 8 Claude Code, Codex, OpenCode 2 1,244 tok
Infopibe/everything-claude-code 8 Claude Code, Codex, OpenCode 50 2,001 tok
geniro-io/geniro-claude-harness 8 Claude Code, GitHub Copilot 8 2,419 tok
zotoio/CRUX-Compress compress.md Compress verbose LLM rules while retaining self-contained meaning and intent. 8 Claude Code, Codex, Cursor, OpenCode 34 3,096 tok
michele-prandina/ClaudE2E A reusable multi-agent AI development boilerplate with 6 specialized agents, an Obsidian v 8 Claude Code, Codex, OpenCode 6 4,210 tok
peva3/anchor Anchor — the production-grade AGENTS.md template for AI coding agents. 51 sections of batt 8 Claude Code, Codex, GitHub Copilot, OpenCode 3 8,726 tok
adobe/ClawDEA ClawDEA — IntelliJ plugin for native Claude Code integration. 8 Claude Code 1 2,071 tok
vladolaru/claude-code-plugins My Claude Code plugins featuring specialized agents, commands, and development skills. 8 Claude Code, Codex, OpenCode 2 2,178 tok
ericvtheg/solo-founder-toolkit Opinionated Claude Code plugin for solo founders, indie hackers, and small teams shipping 8 Claude Code 1 1,049 tok
SummerSec/SumSec-Skills SummerSec personal custom Skill repository 8 Claude Code, Codex, OpenCode 6 4,072 tok
Eliyce/paqad-ai paqad.ai Spec-driven development framework — AI agents that think before they type 8 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf 22 640 tok
thrashr888/AllBeads allbeads.co A Boss Repository Architecture for Multi-Repo AI Agent Orchestration 8 Claude Code 4 4,866 tok
LWTlong/aida An open-source AI coding observability layer. Silently tracks vibe coding sessions via MCP 8 Claude Code 3 143 tok
elevanaltd/debate-hall-mcp pypi.org Production-grade MCP server for Wind/Wall/Door multi-perspective debate orchestration 8 Claude Code 5 821 tok
iamadi11/mcp-ui-poc mcp-ui-poc.vercel.app 8 Claude Code, Codex 37 747 tok
ZenlixAI/echo-mcp Echo structured messages to drive the states of an agent client 8 Claude Code, Codex, OpenCode 3 1,979 tok
epilande/gemini-grounding An MCP server that provides real-time information using Google Gemini's grounding capabili 8 Claude Code 1 782 tok
Poorgramer-Zack/copilot-mcp-tool MCP server that enables AI assistants to interact with Github Copilot cli, leveraging copi 8 Claude Code, Gemini CLI 2 2,443 tok
iterorganization/IMAS-Codex 8 Claude Code, Codex, OpenCode 14 28,793 tok
thisrohangupta/harness-mcp-v2 harness.io MCP server for Harness.io 8 Claude Code, Codex, OpenCode 2 6,382 tok
tostechbr/memoryClaw Universal Memory & Context Engine (MCP Server) to give Long-Term Memory to AI Agents. 8 Claude Code 10 6,485 tok
jamesward/hello-spring-mcp-server 8 Claude Code, Codex, OpenCode 2 223 tok
sardine-ai/mcp-server-manager 8 Claude Code, Codex, OpenCode 5 5,855 tok
cdeust/zetetic-team-subagents ai-architect.tools One epistemic standard on three hosts. Claude Code: 15 problem-shaped skills, 97 sourced r 8 Claude Code, Codex, OpenCode 2 518 tok
mnemopay/mnemopay-sdk mnemopay.com Trust & reputation layer for AI agents. Agent Credit Score (300-850) + Merkle-anchored led 8 Claude Code, Cursor, Gemini CLI 3 2,895 tok
viknesh20-20/claude-code-tool-kit viknesh20-20.github.io Production-ready Claude Code configuration. 12 original agents, 200+ slash-command skills, 8 Claude Code 2 686 tok
chrisgagne/grounded-forge Project once, retrieve distillations, create tools: a pre-loading retrieval architecture a 8 Claude Code, Codex, OpenCode 4 5,455 tok
mgiovani/cc-arsenal 45 production-grade AI agent skills for real dev workflows. Code review, shipping, docs, g 8 Claude Code, Codex, OpenCode 2 4,516 tok
bitflight-devops/hallucination-detector Zero-dependency Claude Code plugin that catches speculation, invented causality, and fake 8 Claude Code 1 348 tok
sphinx-contrib/mcp sphinx-contrib.github.io Sphinx extension for documenting MCP tools, prompts, resources and resource templates. 8 Claude Code, Codex, OpenCode 2 755 tok
luckeyfaraday/frontier-orchestrator Multi-agent orchestration for Claude Code: MCP server + skill that keeps Claude as lead en 8 Claude Code, Codex 1 —
Supersynergy/agent-token-saver Cuts what your coding assistant spends per task, and shows you the numbers. Works with Cod 8 Claude Code, Codex, OpenCode 2 474 tok
snyk/saw-mcp 8 Claude Code, Codex, OpenCode 2 1,968 tok
Bundl-AI/bundl-cli bundl.ai Bundl - The open corpus standard for AI employees. Define how your company works once. Eve 8 Claude Code, Codex, OpenCode 2 306 tok
TheWayWithin/BOS-AI The Business Operating System AI (BOS-AI) Framework 8 Claude Code 38 407 tok