fieldtwin for Grok
io.github.nickgeorgeseo/fieldtwin
Local, stateful twins of the Jobber, Housecall Pro, and QuickBooks Online APIs, for agents and tests
client:Grok
transport:stdio
runtime:npm
Install fieldtwin in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"fieldtwin": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"fieldtwin"
],
"env": {
"FIELDTWIN_PORT": "<FIELDTWIN_PORT>",
"FIELDTWIN_HOST": "<FIELDTWIN_HOST>",
"FIELDTWIN_AUTH": "<FIELDTWIN_AUTH>",
"FIELDTWIN_SEED": "<FIELDTWIN_SEED>"
}
}
}
}
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