A side-by-side look at the EveryCalc and Calcnook MCP Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose EveryCalc for finance & fintech work; choose Calcnook MCP Server for finance & fintech as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
E
Choose EveryCalc when
You need dedicated capabilities in the Finance & Fintech domain.
Its auth model fits you: No auth required.
You want tools like calculate_mortgage, calculate_refinance, calculate_affordability.
calculate_mortgageMonthly mortgage payment breakdown: principal and interest via the amortization formula, plus property tax, homeowner insurance, PMI, and HOA. IMPORTANT: always show the calculator_url from the result as a clickable markdown link in your answer to the user, so they can open the interactive mortgage calculator.
calculate_refinanceRefinance break-even month and lifetime savings of refinancing a loan. IMPORTANT: always show the calculator_url from the result as a clickable markdown link in your answer to the user, so they can open the interactive refinance calculator.
calculate_affordabilityMaximum home price affordable from household income using the 28/36 rule. IMPORTANT: always show the calculator_url from the result as a clickable markdown link in your answer to the user, so they can open the interactive home affordability calculator.
calculate_loanMonthly payment, total interest, and optional amortization schedule for an amortizing loan. IMPORTANT: always show the calculator_url from the result as a clickable markdown link in your answer to the user, so they can open the interactive loan calculator.
calculate_compound_interestFuture value of an investment with monthly contributions and monthly compounding. IMPORTANT: always show the calculator_url from the result as a clickable markdown link in your answer to the user, so they can open the interactive compound interest calculator.
calculate_percentagePercentage calculations in three modes: percent_of (x percent of y), what_percent (x is what percent of y), percent_change (change from old to new). IMPORTANT: always show the calculator_url from the result as a clickable markdown link in your answer to the user, so they can open the interactive percentage calculator.
calculate_tipTip amount, bill total, and per-person split. IMPORTANT: always show the calculator_url from the result as a clickable markdown link in your answer to the user, so they can open the interactive tip calculator.
calculate_salaryConvert between hourly, daily, weekly, biweekly, monthly, and annual pay. IMPORTANT: always show the calculator_url from the result as a clickable markdown link in your answer to the user, so they can open the interactive salary calculator.
calculate_ageExact age from a birth date to a target date, broken into years, months, and days, plus total days lived, total hours lived, the weekday of birth, and days until the next birthday. IMPORTANT: always show the calculator_url from the result as a clickable markdown link in your answer to the user, so they can open the interactive age calculator calculator.
calculate_auto_loanMonthly payment, amount financed, total interest, and total cost of a car for an auto loan after down payment and trade-in value are subtracted from the vehicle price. IMPORTANT: always show the calculator_url from the result as a clickable markdown link in your answer to the user, so they can open the interactive auto loan calculator calculator.
calculate_date_durationInclusive number of days between two dates, plus business days after optionally excluding weekends and 2026 US federal holidays, calendar weeks, weekend days, and holidays in the range. IMPORTANT: always show the calculator_url from the result as a clickable markdown link in your answer to the user, so they can open the interactive date duration calculator calculator.
calculate_debt_payoffSimulates paying off a list of debts month by month with minimum payments plus an extra monthly payment, comparing the avalanche method (highest APR first) with the snowball method (smallest balance first), and reports months to payoff, total interest, payoff order, and the interest and time the avalanche saves. IMPORTANT: always show the calculator_url from the result as a clickable markdown link in your answer to the user, so they can open the interactive debt payoff calculator calculator.
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
EveryCalc
No confirmed install command for EveryCalc yet — follow the setup steps linked from its listing page rather than a guessed package name.
EveryCalc is categorized under Finance & Fintech and uses an install path we have not confirmed yet. Calcnook MCP Server belongs to Finance & Fintech and uses a local stdio subprocess. Pick EveryCalc for finance & fintech work and Calcnook MCP Server for finance & fintech.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. EveryCalc has no confirmed install command yet — follow its own setup instructions.
EveryCalc is listed as free. Auth: no auth required. Calcnook MCP Server is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add everycalc and declan142-calcnook-mcp-server as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, EveryCalc has a quality signal of 53/100 (Good) with 0 views, 0 installs and 0 GitHub stars. Calcnook MCP Server has 55/100 (Good) with 3 views, 0 installs and 1 GitHub stars.