Best Extensions AI Skills & MCP Servers
4 curated Extensions skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Axm.Sh
Extension manager for AI coding agents — install skills, subagents, slash commands, and MCP servers across Claude Code, Codex, Cursor, Copilot, and more.
Cli
Universal AI CLI extension manager - install MCP servers, plugins and skills across Claude Code, Gemini CLI and Codex in one command
Ui Annotator
MCP server that annotates any web page with hover labels — zero extensions, any browser
timers studio
gemini-extension.json n'est pas un mécanisme d'auto-discovery. Les Gemini Extensions sont publiées via Google AI Studio / Extensions Gallery, pas via crawl du .well-known/. Ton fichier est invisible pour Gemini. 3. ChatGPT ai-plugin.json correspond à la spec OpenAI Plug
About Extensions skills on iClaude
iClaude is the universal install layer for AI skills. Every Extensions skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.