Jarroba Tools · Calculation
Maths a model gets wrong: units with dimensional checking, equations, sheets. 5 tools, local.
Install
npmstdio
npx -y @jarroba/mcp-calc Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-invarato-jarroba-tools-calc": {
"command": "npx",
"args": [
"-y",
"@jarroba/mcp-calc"
]
}
}
} Source: official MCP Registry record · registry name io.github.Invarato/jarroba-tools-calc · published 2026-09-16 · updated 2026-09-16. Not an endorsement; review the code before connecting it to anything sensitive.