hoaster for Grok
app.hoaster/hoaster
Hosts AI-generated web content (HTML, images, SVG, JSON) at a public URL, with custom domains.
client:Grok
transport:streamable-http
Install hoaster in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"hoaster": {
"type": "http",
"url": "https://hoaster.app/api/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