JustOnce for Grok
ai.justonce/memory
Persistent memory for AI assistants — one shared, OAuth-secured vault for every MCP client.
client:Grok
transport:streamable-http
Install JustOnce in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"memory": {
"type": "http",
"url": "https://mcp.justonce.ai"
}
}
}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