# calcnook

> Use this tool when you need to calculate and manage personal finances across multiple countries and financial systems, including Sharia-compliant Islamic finance options. It solves problems related to financial planning, investment, and expense tracking, providing outputs such as savings estimates and investment screenings. With 17 deterministic tools and no required API keys, it offers a straightforward interface for users to input financial data and receive personalized calculations.

Canonical page: https://skillsregistry.net/skills/declan142-calcnook-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/declan142-calcnook-mcp-server

## Description

17 deterministic personal-finance tools across 7 countries (US, UK, CA, AU, AE, SA, India) plus Sharia-compliant Islamic finance (Zakat, Murabaha, Ijarah, Mudarabah, Hajj savings, halal
stock screening). Wraps the open-source calcnook engine — zero API keys, pure stdlib, MIT.

## Trust

- **Trust score (0–1):** 0.99
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/yrsvlehnvg)
- **Repository:** <https://github.com/Declan142/calcnook-mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "declan142-calcnook-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/declan142-calcnook-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/declan142-calcnook-mcp-server/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt