MCPs › Calculator
Perform quick, reliable arithmetic including addition, subtraction, multiplication, and division. Speed up everyday calculations and reduce errors across your workflows.
Computed from public signals only — stars, package downloads and how many registries list it. It measures how established a project is, not whether it is safe or right for you.
Not monetized yet
Turn Calculator’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
Want top placement in Lulu’s Choice? Get in touch.
Install Calculator
For anyone using Calculator — no Lulu account needednpx -y @smithery/cli@latest install AITutor3/calculator-mcp-test --client claude
9 field-tested tactics as a designed playbook plus skills your coding agent can run. Free.
Get the Kit →FAQ
Calculator installs from source — follow the repository README.
4 out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.
Similar servers
Your server?
This is for the person who owns Calculator — adds Lulu Ads to your own code. Not the install steps above, those are for your users.
Copies a ready prompt: your coding agent installs the lulu-ads SDK, wires the slot, and applies the widget design guide.
or set up manually at getlulu.dev/publishers
Get verified so you can edit the page. Your badge is already live below — no claim needed for that.
Managed hosting with monetization built in — waitlist.
[](https://getlulu.dev/mcps/calculator-cb56c0)