Exact arithmetic: one calculator tool over an AST allowlist, with integers exact at any size.
Runs locally over stdio
This server isn't hosted — your MCP client launches it from a package registry. Use one of the commands below, or drop the config into your client (e.g. Claude Desktop).
Run
uvx calc-mcp-server
MCP client config
{
"mcpServers": {
"calculator": {
"command": "uvx",
"args": [
"calc-mcp-server"
]
}
}
}