calc-mcp
21 MCP tools for math, randomness, dates, encoding, hashing, and more — deterministic and accurate.
Install
npmstdio
npx -y @coo-quack/calc-mcp Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-coo-quack-calc-mcp": {
"command": "npx",
"args": [
"-y",
"@coo-quack/calc-mcp"
]
}
}
}Source: official MCP Registry record · registry name io.github.coo-quack/calc-mcp · published 2026-09-13 · updated 2026-09-13. Not an endorsement; review the code before connecting it to anything sensitive.