Sandbox 2

A browser-based agent-native computer for running autonomous AI agents in secure sandboxes. happycapy is an agent-native computer designed for developers and creators that runs directly in the browser. it provides a secure, isolated sandbox environment where AI agents, including Claude Code, can work 24/7. The platform transforms traditional command-line interfaces into a visual desktop GUI, allowing users to watch agents work, delegate complex tasks through built-in 'skills,' and receive completed work via email. It supports over 150 AI models and offers features like task automation and a skill store, effectively turning the browser into a powerful, autonomous workstation.

Online Go playground with AI support and code sharing. PlayGoCode is an online Go (Golang) playground designed to help users learn, experiment with, and share Go code. It offers features like OpenAI GPT-4-turbo/GPT-4o models support, an integrated code editor, flow/sequence chart rendering from prompts, Go compiler version switching, official Go compile sandbox and safety, private conversation history, and code storage.