calcnook
calcnook-mcp
MCP server wrapping the calcnook financial engine. Gives any MCP-compatible AI agent (Claude Code, Cursor, Goose, Continue, etc.) native access to 17 calculation tools across compound interest, SIP/DCA, loans, retirement planning, BMI/BMR, Islamic finance, income tax (US/UK/CA/AU/India), VAT, End of Service Gratuity, and more.
Install
Preferred — zero setup via uvx:
uvx calcnook-mcpOr pip:
pip install calcnook-mcp
calcnook-mcpRelated MCP server: Finance MCP Server
Configure your AI agent
Claude Desktop / Claude Code
Add to claude_desktop_config.json (or your MCP settings):
{
"mcpServers": {
"calcnook": {
"command": "uvx",
"args": ["calcnook-mcp"]
}
}
}Cursor
{
"mcpServers": {
"calcnook": {
"command": "uvx",
"args": ["calcnook-mcp"]
}
}
}Goose / Continue
Use the same JSON block in the respective mcp_servers config section.
Tools
Tool | What it does | Example query |
| Future value of a lump-sum at compound interest | "What will ₹1L grow to in 10 years at 7%?" |
| SIP (India) / DCA (global) with optional annual step-up | "SIP ₹5000/month for 15 years at 12%" |
| EMI / mortgage amortization with optional extra payment | "EMI for ₹30L home loan at 8.5% for 20 years" |
| Corpus needed, monthly SIP to reach corpus, safe withdrawal (4% rule) | "How much SIP to reach 2Cr in 20 years?" |
| BMI + WHO category, BMR (Mifflin-St Jeor), TDEE | "BMI for 70kg 175cm" |
| Convert between any currencies using caller-supplied rates | "Convert $1000 to INR at 83.5" |
| Format amount as currency string; INR supports lakh/crore | "Show 25000000 as crores" |
| Zakat al-Mal (2.5% wealth obligation): all asset categories, nisab check | "Zakat on $25k savings + $5k stocks" |
| Murabaha, Ijarah, or Mudarabah financing calculator | "Murabaha for $100k house at 30% markup over 5 years" |
| Monthly savings needed to fund Hajj by target year | "Save monthly for Hajj costing $8000 in 5 years" |
| AAOIFI Sharia compliance screen (debt, cash, receivables, haram revenue ratios) | "Is this tech stock halal given these financials?" |
| Federal/national income tax for US, UK, CA, AU, India (2026) | "India income tax on ₹12L new regime" |
| Traditional 401(k) contribution analysis or Roth IRA phase-out check | "Am I eligible for Roth IRA at $155k income?" |
| End of Service Gratuity for UAE or Saudi Arabia | "UAE gratuity for 7 years at AED 8000 basic salary" |
| VAT for UAE (5%) or Saudi Arabia (15%) | "UAE VAT on AED 1000 product" |
| ZATCA-collected Zakat estimate for Saudi/GCC nationals (2.5% of base) | "Saudi corporate zakat on SAR 1M base" |
| India electricity bill with BESCOM/MSEB/BSES presets or custom slabs | "BESCOM bill for 250 units in Bangalore" |
Built on
calcnook engine — the open-source personal finance calculation library.
DISCOM presets (BESCOM_RESIDENTIAL, MSEB_RESIDENTIAL, BSES_RESIDENTIAL) are importable directly from calcnook.countries.india.electricity_bill for custom slab configuration.
License
MIT
Maintenance
Resources
Unclaimed servers have limited discoverability.
Looking for Admin?
If you are the server author, to access and configure the admin panel.
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