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
verivus-oss/llm-cli-gateway llm-cli-gateway.dev MCP server providing unified access to Claude Code, Codex, Gemini, Grok and Mistral CLIs w 16 Claude Code, Codex, Cursor 19 7,380 tok
igmarin/rails-ai-bridge Zero-config MCP server that gives AI assistants live, read-only knowledge of Rails apps 16 Claude Code, Codex, Gemini CLI, OpenCode 3 3,468 tok
aplaceforallmystuff/cheaters-generator jimchristian.net Claude Code plugin for generating personalized cheatsheet systems 16 Claude Code, Codex, Gemini CLI, OpenCode 4 107 tok
kcsinclair/kaos-control kaos-control.io Self-hosted orchestrator for Claude Code agents: drive ideas through a role-gated SDLC (pl 16 Claude Code, Codex, Gemini CLI, OpenCode 3 2,334 tok
FeatureFactory-io/mimir Mimir is a foundation for self-evolving methodologies for well-defined tasks - it provides 16 Claude Code, Cursor 3 3,444 tok
slack-samples/bolt-js-slack-mcp-server A sample app that features an agent that leverages Slack's MCP 16 Claude Code, Codex, OpenCode 2 179 tok
gvastethecreator/codex-studio gvastethecreator.github.io Local-first image studio for generating, reviewing, and organizing AI images through Codex 16 Claude Code, Codex, OpenCode 2 809 tok
abhinaykrupa/cowork-to-code-bridge Let Claude run code on your real machine — safely — from any Claude chat. Bridges Claude C 16 Claude Code 1 1,377 tok
teableio/agent-skills 16 Claude Code, Codex, OpenCode 2 2,029 tok
us-all/android-mcp-server Android MCP server — 75 tools for ADB-based device management, UI automation, logcat, emul 16 Claude Code 1 3,597 tok
ChilliCream/agent-skills 16 Claude Code, Codex, OpenCode 2 713 tok
Txpple/nwn-mcp MCP server for Neverwinter Nights Enhanced Edition module files 16 Claude Code 11 5,761 tok
aplaceforallmystuff/spain-ai-kit MCP servers connecting AI applications to Spanish government open data and legal infrastru 16 Claude Code, Codex, Gemini CLI, OpenCode 3 824 tok
evilstar2016/skill-doctor npmjs.com Local CLI for auditing AI agent skills, conflicts, duplicates, safety risks, and context c 16 Claude Code, Codex, OpenCode 3 1,604 tok
heygen-com/liveavatar-agent-skills A collection of skills to help coding agents onboard to LiveAvatar. 16 Claude Code, Codex, OpenCode 2 1,683 tok
nosolosoft/opencode-mcp MCP Server for OpenCode CLI integration - Execute OpenCode commands, manage sessions, and 16 Claude Code, Codex, OpenCode 2 4,288 tok
tommyengstrom/domaindriven 16 Claude Code, Codex, OpenCode 3 610 tok
mahoushoujyo-eee/eshell 16 Claude Code, Codex 23 —
rupakm/leslie 16 Claude Code, Codex, OpenCode 22 1,223 tok
alexhraber/tensors-to-consciousness Explore the Mathematical Foundations of AI/ML: From Tensors to Consciousness 16 Claude Code, Codex, Gemini CLI, OpenCode 3 2,799 tok
openid-certification/conformance-suite gitlab.com Read-only mirror of https://gitlab.com/openid/conformance-suite - merge requests MUST be s 16 Claude Code, Codex, OpenCode 5 7,613 tok
daochild/agents-config Agents config for development 16 Claude Code, Codex, GitHub Copilot, OpenCode 4 4,074 tok
heikki-laitala/pruner Cut AI coding agent costs 15-62% and time 39-64%. Structural code indexing that gives Clau 16 Claude Code 3 608 tok
nzrsky/zig-skills Zig SKILLS for AI agents 16 Claude Code 1 800 tok
Abilityai/agent-cornelius 16 Claude Code 20 9,097 tok
radimsem/mithril A trustless MCP server that replaces the generic shell tool with validated, sandboxed, pur 15 Claude Code 3 1,709 tok
XAIHT/Tlamatini xaiht.org Speak an idea. Build the real thing. Tlamatini brings AI to code, 3D worlds and hardware: 15 Claude Code, Codex, Gemini CLI, OpenCode 13 56,267 tok
pinecone-io/skills Pinecone's official Agent Skills library, for use with agentic IDEs such as Cursor, Github 15 Claude Code 1 517 tok
backspace-shmackspace/claude-devkit bksp.ca claude-devkit - an agentic coding framework 15 Claude Code, Gemini CLI 2 1,674 tok
EntityProcess/agentv agentv.dev Light-weight AI agent evaluation and optimization framework 15 Claude Code, Codex, OpenCode 2 3,189 tok
Swih/mistral-mcp npmjs.com Mistral MCP server for document extraction: invoices, contracts and typed JSON from text, 15 Claude Code 1 3,406 tok
cloudx-io/cloudx-sdk-agents docs.cloudx.io AI-agent guidance for integrating the CloudX SDK — Claude Code, Codex, and Cursor. Facts f 15 Claude Code, Codex, OpenCode 2 524 tok
komluk/scaffolding Spec-driven multi-agent orchestration plugin for Claude Code — 13 agents, 35 skills, per-p 15 Claude Code 1 1,174 tok
aliaihub/skilldeck Desktop app for managing AI agent skill files across projects and tools 15 Claude Code 1 3,753 tok
45ck/skill-harness Umbrella installer and agent harness for the skill-pack suite across Claude and Codex. 15 Claude Code, Codex, OpenCode 2 2,503 tok
polyblank66/Nyamu Minimal MCP server for Unity, designed to reliably check script compilation 15 Claude Code, Codex, Gemini CLI, OpenCode 3 2,935 tok
dvcrn/mcp-server-subagent MCP for letting agents delegate tasks to sub-agents (Claude Code, Aider, Q) 15 Claude Code 1 1,499 tok
namastexlabs/automagik-tools deepwiki.com From API to AI in 30 Seconds - Transform any API into an intelligent MCP agent that learns 15 Claude Code, Codex, OpenCode 22 3,783 tok
RiggdAI/uniqent uniqent.ai Any brain, any agent. Package an AI agent's brain — persona, MCP stack, skills, memory, co 15 Claude Code 1 3,925 tok
Thomas97460/quota-tracker High-precision quota and token monitoring for AI Agents. Real-time analytics and usage tra 15 Claude Code, Codex, OpenCode 2 2,475 tok
SPANDigital/mcp-server-dump A command-line tool to extract and document MCP (Model Context Protocol) server capabiliti 15 Claude Code 1 2,787 tok
TechFernandesLTDA/apex-mcp MCP Server for Oracle APEX 24.2 — create, inspect and modify APEX apps via natural languag 15 Claude Code 1 4,047 tok
settlemint/sdk settlemint.com Integrate SettleMint into your application with ease. 15 Claude Code 12 2,751 tok
openonion/connectonion-claude-plugin connectonion-claude-plugin.vercel.app Official ConnectOnion Claude Code plugin - Build AI agents correctly with documentation-gr 15 Claude Code 7 —
ngocsangyem/MeowKit docs.meowkit.dev Production ready. AI Agent Workflow System for Claude Code 15 Claude Code 8 —
zircote-plugins/claude-team-orchestration zircote-plugins.github.io Multi-agent orchestration plugin for Claude Code. Coordinate agent teams with shared tasks 15 Claude Code 1 993 tok
CodeAlive-AI/codealive-skills Agent skills for CodeAlive — semantic code search and AI-powered codebase answers. Works w 15 Claude Code, Codex, OpenCode 2 639 tok
eddmann/obsidian-mcp MCP server for git-backed Obsidian vaults. Access and manage notes through Claude, ChatGPT 15 Claude Code 4 3,223 tok
jascal/orca-lang Orca (Orchestrated State Machine Language) — an LLM-native code generation target 15 Claude Code, Codex, OpenCode 8 9,776 tok
elasticdotventures/_b00t_ b00t.promptexecution.com 🥾 _b00t_: state of the art agentic harness tooling & dynamic context initialization 15 Claude Code, Codex, Gemini CLI, OpenCode 54 6,691 tok