nestegg MCP MCP server

A stateless remote service providing 99 finance calculators via an MCP server, including loans, mortgages, investing, bonds, options, retirement, real estate, business, tax, and German net-salary math. It allows AI agents to perform financial computations without storing user inputs.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by nestegg

MCP endpoint (Streamable HTTP)

https://nestegg.money/mcp

Vendor documentation

What you can do with it

Calculate loans and mortgages with amortization
Compute time value of money and investing risk
Determine bond and options valuations
Calculate retirement and tax implications

Tools advertised by the last live check:

amortization
loan-payoff
future-value
contributions
cagr
savings-rate
fx-convert
depreciate
straight-line-depreciation
fire-number
required-contribution
inflation-adjust
effective-rate
npv
irr
refi-breakeven
emergency-fund
mortgage-affordability
debt-payoff
portfolio-longevity
present-value
required-return
yield-to-maturity
tax-from-brackets
margin-markup
compound-interest
de-gross-to-net
de-net-salary
de-abgeltungsteuer
de-kindergeld
de-midijob
de-rentenpunkte
vat
roi
real-return
return-stats
sharpe-ratio
max-drawdown
holding-period-return
fee-drag
dollar-cost-averaging
bond-price
current-yield
bond-duration
convexity
zero-coupon-price
accrued-interest
black-scholes
option-greeks
put-call-parity
option-breakeven
intrinsic-time-value
annuity-pv
annuity-fv
annuity-payment
perpetuity
rule-of-72
payback-period
discounted-payback
mirr
xnpv
xirr
loan-apr
interest-only-payment
balloon-loan
ltv
dti
credit-card-payoff
points-breakeven
biweekly-payoff
cap-rate
cash-on-cash
noi
gross-rent-multiplier
dscr
wacc
break-even-units
contribution-margin
current-ratio
quick-ratio
roe
roa
declining-balance-depreciation
double-declining-depreciation
sum-of-years-digits
units-of-production-depreciation
net-worth
budget-50-30-20
tip-split
discount
successive-discounts
percentage-change
unit-price
hourly-to-salary
salary-to-hourly
after-tax-yield
tax-equivalent-yield
coast-fire
barista-fire

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http nestegg-mcp https://nestegg.money/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add nestegg-mcp --url https://nestegg.money/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable nestegg-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "nestegg-mcp": {
      "url": "https://nestegg.money/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "nestegg-mcp": {
      "type": "streamableHttp",
      "url": "https://nestegg.money/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start nestegg-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "nestegg-mcp": {
      "type": "http",
      "url": "https://nestegg.money/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http nestegg-mcp https://nestegg.money/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "nestegg-mcp": {
      "url": "https://nestegg.money/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "nestegg-mcp": {
      "serverUrl": "https://nestegg.money/mcp"
    }
  }
}

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