rainman-exchange-rate（雨人汇率）

exchange-rate — Currency Exchange Rate Skill

Query real-time and historical exchange rates via the Frankfurter API (ECB data source).

Quick Start

1. No API key needed.
2. Run bun scripts/exchange.ts --help in this skill directory.
3. Pick the matching command from references/command-map.md.

Workflow

1. Parse user intent — identify source currency, target currency, amount, and date (if any).
2. Select the right command: convert, latest, history, or currencies.
3. Run the script and return the result.
4. When the user provides a natural language query like "100 美元换人民币", use the convert command with --amount 100 --from USD --to CNY.

Commands

• Full command mapping: references/command-map.md

Common Currency Aliases

When the user uses Chinese names, map them:

• 美元/美金 → USD
• 人民币/元 → CNY
• 欧元 → EUR
• 英镑 → GBP
• 日元/日币 → JPY
• 韩元/韩币 → KRW
• 港币/港元 → HKD
• 新加坡元/新币 → SGD
• 澳元/澳币 → AUD
• 加元/加币 → CAD
• 泰铢 → THB
• 瑞士法郎/瑞郎 → CHF

Notes

• This skill is script-first and does not run an MCP server.
• Data source is ECB (European Central Bank), updated once per working day.
• Supports 30 major currencies.
• No API key required.