Polyxd for Grok
com.polyxd/mcp
Write Polyxd UI documents, check them, and show them as real screens in any design-system pack.
client:Grok
transport:streamable-http
runtime:npm
tools:7
Install Polyxd in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"mcp": {
"type": "http",
"url": "https://mcp.polyxd.com/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