MonsiTools Calculators
Find and run exact business, finance and SaaS calculators instead of guessing the math.
| Endpoint | https://monsitools.com/mcp (streamable-http) |
|---|---|
| Registry version | 1.0.1 |
| Now | 3 tools · grade A (99) · pin ts_bb92b013daa49393f0044d13074bce07 · protocol 2025-06-18 |
| First / last listed | 2026-11-07 02:07 UTC / 2026-11-07 02:07 UTC |
| Grade over time | 2026-11-07: A (99), 3 tools |
Is this your server? Own a server? ToolFit hosted watch re-checks it every 24 h ($0.25 per 30 days) or 6 h ($0.60) and sends you an HMAC-signed webhook when its tools or grade change: POST https://api.youraitools.co/toolfit/v1/watch. To opt out, see About & opt-out.
Tools: search_calculators describe_calculator calculate
search_calculators | Find MonsiTools calculators by keyword (for example 'runway', 'break even', 'roas', 'loan payment'). Returns each match's slug, name, category and input names. Use describe_calculator for details, then calculate to run one. params: query*, category, limit |
describe_calculator | Returns a calculator's name, category, formula, input names and page URL, given its slug. params: slug* |
calculate | Runs a MonsiTools calculator on the given inputs and returns the result. Works without a key for 10 calculations a day per IP address. A MonsiTools Premium API key, sent as 'Authorization: Bearer mt_live_...' when connecting, removes the daily limit. params: slug*, inputs* |
Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.