Virtual Filesystem for Grok
io.github.lu-zhengda/virtual-fs
PostgreSQL-backed virtual filesystem for agents: session isolation, shared stores, POSIX ops, RLS.
client:Grok
transport:stdio
runtime:npm
Install Virtual Filesystem in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"virtual-fs": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mcp-virtual-fs"
],
"env": {
"DATABASE_URL": "<DATABASE_URL>",
"VFS_AUTO_INIT": "<VFS_AUTO_INIT>",
"VFS_SESSION_ID": "<VFS_SESSION_ID>",
"VFS_ENABLE_RLS": "<VFS_ENABLE_RLS>"
}
}
}
}
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