# UK Data: Finance formulas

> Compound and simple interest, investment growth, future value, CAGR, dividends and tax at a rate

- name: uk.co.reliness/finance-formulas
- version: 1.5.0
- connection class: R0 (autonomous)
- trust: 83/100 flags: no-repository
- quality: 89/100 (new)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/uk.co.reliness%2Ffinance-formulas
- tools: https://api.protogrid.dev/v1/servers/uk.co.reliness%2Ffinance-formulas/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "finance-formulas": {
      "type": "http",
      "url": "https://ukdata.reliness.co.uk/mcp/finance-formulas",
      "headers": {
        "Authorization": "Bearer ${FINANCE_FORMULAS_TOKEN}"
      }
    }
  }
}
```

Placeholders to fill: `${FINANCE_FORMULAS_TOKEN}`.

## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-100% +updated-7d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 89/100 (new)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 10 of 10 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 1,885 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump
- pass `tools.hidden_text`: no hidden text in tool names, descriptions, schemas or annotations

### stability: n/a (weight 15)

- n/a `stability.changes`, `stability.rug_pull`, `stability.new_links`: tool history recorded for 6 of the 7 days needed

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 10, about 1,885 tokens to load them all
- tool set hash: 1aac83ae55d4c494ce67c525f3947334
- badge: [![protogrid quality](https://protogrid.dev/badge/uk.co.reliness/finance-formulas.svg)](https://protogrid.dev/servers/uk.co.reliness/finance-formulas)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://ukdata.reliness.co.uk/mcp/finance-formulas (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (10)

- `cagr`: Calculates the Compound Annual Growth Rate (CAGR) using the formula CAGR = (end_value/start_value)^(1/years) - 1. Returns the annualized rate of return as a percentage. (cost: 1 credit)
- `calculate_discount`: Calculates the discounted price after applying a percentage discount to the original price. Returns both discount amount and final price. (cost: 1 credit)
- `calculate_discounted_price`: Calculates the final price after applying a discount percentage to the original price, rounded to 2 decimal places. (cost: 1 credit)
- `calculate_dividend_per_share`: Calculates the dividend per share by dividing total dividend payout by number of outstanding shares. Returns the quarterly dividend amount per share rounded to 2 decimal places. (cost: 1 credit)
- `calculate_interest`: Calculates simple interest using the formula: Interest = Principal × Rate × Time. Rate should be provided as a percentage and time in years. (cost: 1 credit)
- `calculate_investment_return`: Calculates the return on investment using compound interest formula. Returns the final amount and total return given an initial deposit, annual interest rate (as a percentage), and investment period in years. (cost: 1 credit)
- `calculate_tax`: Calculates the tax amount by applying a tax rate percentage to an income or price amount. Formula: amount × (rate / 100). (cost: 1 credit)
- `compound_interest`: Calculates compound interest using the formula A = P(1 + r/n)^(nt), where A is final amount, P is principal, r is annual rate, n is compounding frequency per year, and t is time in years. (cost: 1 credit)
- `future_investment_value`: Calculates the future value of an investment using compound interest formula: FV = PV × (1 + r)^n, where r is annual interest rate and n is years. (cost: 1 credit)
- `project_investment_growth`: Projects investment growth over years using compound interest with optional annual additions and inflation adjustment. Formula: FV = PV(1+r)^n + PMT×[((1+r)^n - 1)/r], with each annual addition made at the end of the year. (cost: 1 credit)