Mobilebox: Cloud phones for your agents for Grok
dev.mobilebox/mobilebox
A mobile sandbox for every agent: cloud Android phones over MCP, ready in ~20 s, $0.01/min.
client:Grok
transport:streamable-http
tools:12
Install Mobilebox: Cloud phones for your agents in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"mobilebox": {
"type": "http",
"url": "https://mobilebox.dev/mcp"
}
}
}Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs