CurrConv
name: CurrConv
by bytesagain1 · published 2026-03-22
$ claw add gh:bytesagain1/bytesagain1-currconv---
name: CurrConv
description: "Convert currencies using frankfurter.app free API. Use when converting amounts, checking exchange rates, or viewing rate history. Requires curl."
version: "3.0.1"
author: "BytesAgain"
homepage: https://bytesagain.com
source: https://github.com/bytesagain/ai-skills
tags: ["currency","converter","exchange","rate","money","finance","forex","international"]
categories: ["Finance", "Utility"]
---
# CurrConv
A real currency converter using live exchange rates from the European Central Bank via the free [frankfurter.app](https://frankfurter.app) API. Convert currencies, check rates, list available currencies, and look up historical exchange rates. No API key required.
Commands
| Command | Description |
|---------|-------------|
| `currconv convert <amount> <from> <to>` | Convert an amount from one currency to another using live rates |
| `currconv rates <base>` | Show all exchange rates for a base currency (default: EUR) |
| `currconv list` | List all available currencies with full names |
| `currconv history <from> <to> <date>` | Get a historical exchange rate with comparison to today |
| `currconv version` | Show version |
| `currconv help` | Show available commands and usage |
Requirements
When to Use
1. **Quick currency conversion** — `currconv convert 100 USD EUR` for instant conversion
2. **Checking exchange rates** — `currconv rates USD` shows all rates against the dollar
3. **Available currencies** — `currconv list` shows all 30+ supported currencies
4. **Historical rates** — `currconv history USD EUR 2024-01-15` with comparison to today's rate
5. **Travel planning** — Convert amounts between currencies before a trip
Examples
# Convert 100 USD to EUR
currconv convert 100 USD EUR
# Convert 5000 JPY to GBP
currconv convert 5000 JPY GBP
# Convert 1000 CNY to USD
currconv convert 1000 CNY USD
# Show all rates for USD
currconv rates USD
# Show all rates for EUR (default)
currconv rates
# List all available currencies
currconv list
# Get historical rate for a specific date
currconv history USD EUR 2024-01-15
# Historical GBP to JPY rate
currconv history GBP JPY 2023-06-01Example Output
$ currconv convert 100 USD CNY
┌───────────────────────────────────────────────────┐
│ Currency Conversion │
├───────────────────────────────────────────────────┤
│ 100.00 USD │
│ = │
│ 688.82 CNY │
├───────────────────────────────────────────────────┤
│ Rate: 1 USD = 6.888200 CNY │
│ Date: 2026-03-18 │
│ Source: European Central Bank │
└───────────────────────────────────────────────────┘
$ currconv history USD EUR 2024-01-15
┌───────────────────────────────────────────────────┐
│ Historical Exchange Rate │
├───────────────────────────────────────────────────┤
│ Pair: USD → EUR │
│ Date: 2024-01-15 │
│ Rate: 1 USD = 0.91234 EUR │
├───────────────────────────────────────────────────┤
│ Today: 1 USD = 0.92150 EUR │
│ Change: +0.009160 (+1.00%) │
│ Today date: 2026-03-18 │
├───────────────────────────────────────────────────┤
│ Source: European Central Bank │
└───────────────────────────────────────────────────┘Supported Currencies
Run `currconv list` for the full list. Common currencies include:
30+ currencies supported in total, all sourced from the European Central Bank.
Data Source
All exchange rates come from the [European Central Bank](https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/) via the free [frankfurter.app](https://frankfurter.app) API. Rates are typically updated once per business day. No API key or registration required.
---
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Data Storage
Rate cache stored in `~/.local/share/currconv/`.
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