Cruncher
About
Scientific calculator MCP server with 43 tools: arithmetic, trig, stats, unit conversion.
Use this server
Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.
Transportstdio (runs a local command)
Env vars
CRUNCHER_TOOL_SET CRUNCHER_TIMEOUTClaude Code
claude mcp add --env CRUNCHER_TOOL_SET= --env CRUNCHER_TIMEOUT= cruncher-mcp -- npx @slbdn/cruncher-mcp
Cursor
If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.
VS Code
code --add-mcp '{"name":"cruncher-mcp","command":"npx","args":["@slbdn/cruncher-mcp"],"env":{"CRUNCHER_TOOL_SET":"","CRUNCHER_TIMEOUT":""}}'
JSON
{
"mcpServers": {
"cruncher-mcp": {
"command": "npx",
"args": [
"@slbdn/cruncher-mcp"
],
"env": {
"CRUNCHER_TOOL_SET": "",
"CRUNCHER_TIMEOUT": ""
}
}
}
}
Environment variables are listed by name only — fill in your own values. Entries never carry secrets.