Everyday agent tools for Grok
si.fourzerotwo/tools
Time zones and world business days, VAT rates and maths, currency conversion, UK business days…
client:Grok
transport:streamable-http
tools:18
Install Everyday agent tools in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"tools": {
"type": "http",
"url": "https://fourzerotwo.si/mcp/v/tools"
}
}
}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
What Grok can do once it is connected
- calculators__uk-business-days
- calculators__postcode-distance
- calculators__currency-convert
- time__convert
- time__now
- time__zone-info
- time__business-days
- time__signed
- uk-bank-holidays__all
- uk-bank-holidays__england-and-wales
- uk-bank-holidays__scotland
- uk-bank-holidays__northern-ireland
- vat__rates
- vat__calculate
- vat__validate-format
- holidays__year
- holidays__check
- holidays__countries