Exact arithmetic: one calculator tool over an AST allowlist, with integers exact at any size.
Connect Runs on your machine
claude mcp add calc-mcp-server -- uvx calc-mcp-server==0.1.9
{
"mcpServers": {
"calc-mcp-server": {
"command": "uvx",
"args": [
"calc-mcp-server==0.1.9"
]
}
}
}
{
"mcpServers": {
"calc-mcp-server": {
"command": "uvx",
"args": [
"calc-mcp-server==0.1.9"
]
}
}
}
{
"servers": {
"calc-mcp-server": {
"type": "stdio",
"command": "uvx",
"args": [
"calc-mcp-server==0.1.9"
]
}
}
}
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 17 Sep 2026 |
| Last updated | 17 Sep 2026 |
| Registry name | io.github.slettmayer/calc-mcp-server |
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