A framework-agnostic, git-native standard for defining AI agents
A Package Manager for the AgentSkills standard. Discover, Use, and Create AgentSkills with Claude Code, Codex, Gemini CLI, OpenCode and more
Awesome Claude Desktop Extensions (dxt) (not only Claude) mcpb
A CLI-first skill package manager that AI agents can operate themselves.
AI-to-AI communication protocol for Claude, Gemini, and other AI assistants
Chiasmus is an MCP server that gives language models access to formal verification

A Neovim plugin to integrate Gemini CLI well (+ Qwen-code now)
MCP Toolbox for Databases is an open source MCP server for databases.
An MCP server that lets LLM agents play Civilization VI.
Evaluate agent skill quality. Find the weakest link. Fix it. Prove it worked.
Publish HTML, Markdown and static mini apps to shareable Cloudflare Pages URLs from the terminal or coding agents.
📊 Browse your AI coding spend in the terminal — OpenCode, Claude Code, Codex & friends
Shared config, skills, and update scripts for Claude Code, Codex, and Gemini CLI
An agent-first task board, Take human out of the loop.
💼 One MCP server to search job boards and company career sites

Nia is a context-augmentation layer for agents, primarily designed for coding agents. It provides them with an up-to-date knowledge base and improves their performance by 27%.
Tutorials, Guides and Agent Skills Directories
Multi-engine AI coding desktop client (Tauri). Claude Code, Codex, Gemini, OpenCode, DeepSeek Harness and more in one GUI.
🏄🏼♂️ The blackboard for coding agents - agentic development environment for claude code, codex, cursor, opencode, grok and more.
Self-hosted agent OS with skills, workflows, MCP, and second brain storage.
Agent Skills for Meta Quest/Horizon OS VR Development
Transform YouTube videos into a compounding knowledge base with transcripts, vision analysis, and agentic search. Works as an MCP server for Claude, Copilot & more.
A collection of agent plugins for improving productivity, automating workflows, and making AI coding agents work better together.
Official data.gouv.fr Model Context Protocol (MCP) server that allows AI chatbots to search, explore, and analyze datasets from the French national Open Data platform, directly through conversation.