# Currency Exchange

Gives an AI assistant Norges Bank's daily rates for 38 currencies, amount conversion and World Bank buying-power multipliers.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed, Gemini CLI · ★ 1
- Author: Publifye
- License: CC-BY-4.0 · policy=link-only · description only; the file stays with the author
- Source: https://github.com/Publifye/mcp/tree/HEAD/services/currency
- Updated: 2026-10-11
- HTML: https://affpapa.org/en/nevibecode/mcp/currency-exchange

## What it does

The server speaks HTTPS and plugs into Claude, Codex, Cursor, GitHub Copilot, Windsurf, Cline, Zed and Gemini CLI. Seven tools sit behind it: five cover rates and conversion, two handle buying power. Each one only reads data, so repeating a call on the same day returns the same answer.

Rates come from Norges Bank publications, which land once per business day around 16:00 CET. Weekends and Norwegian holidays have no publication, and for such a date the server hands back the series as published instead of substituting a nearby value. Cross-rates such as USD→EUR are worked out through NOK, since that is the only pair the bank quotes.

The buying-power tools return two numbers. `factor` is the suggested multiplier: it stays at or below 1.0 and never drops under 0.35. `raw_factor` is the uncapped measurement and can sit above 1.0 — Norway measures about 1.10. Apply `raw_factor` to a Norwegian price and you charge roughly 10% over list. A Publifye account is required; sign-in happens through OAuth in the browser and there is no API key to create.

## Requirements
- Remote server: `https://currency.publifye.com/mcp`

## Install

### Claude Code (native platform)

**Platform CLI: remote server**
```bash
claude mcp add --transport http currency https://currency.publifye.com/mcp
```

### Codex

**Platform CLI: remote server**
```bash
codex mcp add currency --url https://currency.publifye.com/mcp
```

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "currency": {
            "url": "https://currency.publifye.com/mcp"
        }
    }
}
```

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "currency": {
            "type": "http",
            "url": "https://currency.publifye.com/mcp"
        }
    }
}
```

### Gemini CLI

**Platform CLI: remote server**
```bash
gemini mcp add -t http currency https://currency.publifye.com/mcp
```

## When to use it
- look up a currency rate for a specific date
- convert an amount between two currencies
- pull a daily rate series for a chart
- reprice a USD list price for a local market
- tell a fresh buying-power figure from a stale one

## Example prompts
- What was the USD to NOK rate on 15 March 2019?
- Convert 250 EUR to NOK using last Friday's rate
- Price 49 USD for Norway with get_buying_power

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From the same set: [publifye/mcp](https://affpapa.org/en/nevibecode/by/publifye/mcp.md) — 2 cards

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