Quarterly Tax Calculator for Grok
io.github.al157/quarterlytax-mcp
US federal + state quarterly estimated tax estimates, SE tax, and quarterly payment due dates.
client:Grok
transport:streamable-http
tools:2
Install Quarterly Tax Calculator in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"quarterlytax-mcp": {
"type": "http",
"url": "https://mcp.quarterlytax.al157.xyz/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