tell.dev for Grok
dev.tell/tell
Message someone through your coding agent. Their agent gets your note and explains it.
client:Grok
transport:streamable-http
Install tell.dev in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"tell": {
"type": "http",
"url": "https://tell.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