MCP Web Client is a browser-based interface for the Model Context Protocol - the open standard for connecting AI to tools. Connect multiple MCP servers, chat with any LLM (OpenAI, Claude, Gemini, Ollama), and access tools from all servers in one conversation. Features: - Multi-server management - OAuth 2.0 & token auth - Real-time streaming - Persistent sessions - Renders UI resources Open source. Works on desktop and mobile.

Spec Explainer: A Chrome extension that employs Google's PaLM AI to provide detailed explanations of technical specifications currently for Ecmaascript.