Cruncher for Grok
io.github.islobodan/cruncher-mcp
Scientific calculator MCP server with 43 tools: arithmetic, trig, stats, unit conversion.
client:Grok
transport:stdio
runtime:npm
Install Cruncher in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"cruncher-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@slbdn/cruncher-mcp"
],
"env": {
"CRUNCHER_TOOL_SET": "<CRUNCHER_TOOL_SET>",
"CRUNCHER_TIMEOUT": "<CRUNCHER_TIMEOUT>"
}
}
}
}
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