shikamaru for Grok
io.github.jayofemi/shikamaru
Provably correct day-count, calendar, business-day, and schedule math, verified against QuantLib.
client:Grok
transport:stdio
runtime:npm
Install shikamaru in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"shikamaru": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@jayofemi/shikamaru"
]
}
}
}
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