Scientific Calculator is answering right now. Last checked 1 min ago. Last commit 29 Oct 2026.
Exact arithmetic, algebra, calculus, physics, chemistry and finance with a checkable formula.
Today is the operative word: we check Scientific Calculator every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 1 min ago.
claude mcp add scientific-calculator --transport http https://scientific-calculator-mcp.saifs.ai/mcp
https://scientific-calculator-mcp.saifs.ai/mcp
[mcp_servers.scientific-calculator]
url = "https://scientific-calculator-mcp.saifs.ai/mcp"
{
"mcpServers": {
"scientific-calculator": {
"url": "https://scientific-calculator-mcp.saifs.ai/mcp"
}
}
}
{
"servers": {
"scientific-calculator": {
"type": "http",
"url": "https://scientific-calculator-mcp.saifs.ai/mcp"
}
}
}
This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://scientific-calculator-mcp.saifs.ai/mcp | streamable-http | sign-in | 411 ms | 1 min ago |
Checked calculators for money, tax, crypto, engineering and compliance, each with formula and source
Arithmetic consistency checks and cross-footing validation for financial statements
Finance canon lookup plus 30 deterministic formulas, each with a verifiable receipt.
Review orders and supplier invoices locally with exact arithmetic and source-linked findings.
Find and run exact business, finance and SaaS calculators instead of guessing the math.
Discover, quote, verify & self-check 56 x402 pay-per-call finance/tax calculators for AI agents.
Arithmetic consistency checks for supplied financial statement data.
Jordan & GCC labour-law, tax and finance calculators for AI agents — 36 deterministic tools.
Answers built from our own checks of this server.