Prince of Post for Grok
com.princeofpost/label-maker
Print a Royal Mail QR code (Vinted, eBay, ASOS returns) as a 6x4 shipping label at home.
client:Grok
transport:streamable-http
tools:1
Install Prince of Post in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"label-maker": {
"type": "http",
"url": "https://princeofpost.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