precisioncalc-mcp
High-precision finance & business calculations for AI agents — exact decimals, never floats.
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What it can do
What data it sees
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No: the server works without sign-in
High-precision finance & business calculations for AI agents — exact decimals, never floats.
Server tool list (11)
Raw names from tools/list. Only developers need these.
| calculate_metric | Compute a business/SaaS/finance metric with exact decimal precision. Metrics: ltv, cac, ltv_cac_ratio, payback_period_months, contribution_margin, gross_margin, churn_rate, mrr_growth_rate, arr, break_even_units, nrr, grr, rule_of_40, magic_number. Rates/margins are decimals (0.05=5%). Call list_metrics for schemas. |
| list_metrics | List every supported metric with descriptions and required/optional params. |
| currency_convert | Convert an amount between major currencies (USD, EUR, GBP, JPY, CAD, AUD, CHF, CNY, INR) with Decimal precision. Static offline table on the free tier; live/historical ECB rates (date/live=true) require a paid plan. |
| business_days | Business-day arithmetic honoring weekends + regional holidays. operation: add_business_days (needs days, negative ok) | count_business_days (needs end_date, inclusive) | next_business_day | previous_business_day. region: US | UK | EU | NONE. custom_holidays: list of YYYY-MM-DD. |
| compound_growth | Compound-interest/growth math. operation: future_value (rate, years, present_value) | present_value (rate, years, future_value) | cagr (begin_value, end_value, years). rate is annual decimal (0.08=8%). compounding: daily|weekly|monthly|quarterly|semiannually|annually|continuous. |
| net_present_value | Net Present Value (discounted cash flow). NPV = sum(CF_t/(1+rate)^t). cashflows[0] = period 0 (usually the negative outlay). |
| internal_rate_of_return | Internal Rate of Return: per-period rate where NPV=0 (Newton + bisection). Requires a sign change in cashflows. |
| loan_amortization | Level-payment loan: monthly payment, total interest, payoff, and (optional) full schedule. payment = P*r/(1-(1+r)^-n), r=annual_rate/12. |
| depreciation | Asset depreciation schedule. method: straight_line | declining_balance | sum_of_years_digits. Book value converges to salvage_value. |
| batch_calculate | PAID FEATURE. Run many calculations in one request. calls: list of {tool, arguments} (max 100). One failure never aborts the batch. |
| health_check | Server health/status metadata. |