FuelTaxMath for Grok
com.fueltaxmath/fueltaxmath
Official IFTA fuel tax rates plus IFTA, cost per mile, load profit and Form 2290 HVUT calculators.
client:Grok
transport:streamable-http
tools:5
Install FuelTaxMath in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"fueltaxmath": {
"type": "http",
"url": "https://fueltaxmath.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