How do I install the Currency skill?

Run npx skillmds@latest add tomevault-io/currency in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

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Which AI agents work with Currency?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Currency free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Currency?

tomevault-io (@tomevault-io) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Currency by tomevault-io — Agent Skill

Name: Currency
Author: tomevault-io

File contents

Currency Exchange

Query real-time exchange rates and convert currencies using free APIs. No API key required.

Get Exchange Rate

USD to other currencies:

exec: curl -s "https://api.exchangerate-api.com/v4/latest/USD" | jq '{base: .base, date: .date, CNY: .rates.CNY, EUR: .rates.EUR, GBP: .rates.GBP, JPY: .rates.JPY}'

From any base currency:

exec: curl -s "https://api.exchangerate-api.com/v4/latest/BASE_CURRENCY" | jq '.rates'

Specific pair:

exec: curl -s "https://api.exchangerate-api.com/v4/latest/USD" | jq '.rates.CNY'

Convert Amount

Convert 100 USD to CNY:

exec: curl -s "https://api.exchangerate-api.com/v4/latest/USD" | jq '.rates.CNY * 100'

Convert with formatted output:

exec: RATE=$(curl -s "https://api.exchangerate-api.com/v4/latest/USD" | jq -r '.rates.CNY') && echo "100 USD = $(echo "$RATE * 100" | bc) CNY (Rate: $RATE)"

Generic conversion (replace AMOUNT, FROM, TO):

exec: RATE=$(curl -s "https://api.exchangerate-api.com/v4/latest/FROM_CURRENCY" | jq -r '.rates.TO_CURRENCY') && echo "AMOUNT FROM_CURRENCY = $(echo "$RATE * AMOUNT" | bc) TO_CURRENCY"

List All Available Currencies

exec: curl -s "https://api.exchangerate-api.com/v4/latest/USD" | jq '.rates | keys[]'

Alternative API: FloatRates

exec: curl -s "https://www.floatrates.com/daily/usd.json" | jq '{CNY: .cny.rate, EUR: .eur.rate, GBP: .gbp.rate, JPY: .jpy.rate}'

Alternative API: Open Exchange Rates (free tier, key required)

exec: curl -s "https://openexchangerates.org/api/latest.json?app_id=YOUR_APP_ID" | jq '.rates | {CNY, EUR, GBP, JPY}'

Compare Multiple Currencies

exec: curl -s "https://api.exchangerate-api.com/v4/latest/CNY" | jq '{base: .base, USD: .rates.USD, EUR: .rates.EUR, JPY: .rates.JPY, GBP: .rates.GBP, KRW: .rates.KRW, HKD: .rates.HKD}'

Common Currency Codes

USD — US Dollar
CNY — Chinese Yuan
EUR — Euro
GBP — British Pound
JPY — Japanese Yen
KRW — Korean Won
HKD — Hong Kong Dollar
TWD — Taiwan Dollar
SGD — Singapore Dollar
AUD — Australian Dollar
CAD — Canadian Dollar
CHF — Swiss Franc

Notes

exchangerate-api.com free tier: 1500 requests/month, no key needed.
floatrates.com: fully free, no key needed, updated daily.
Rates are approximate and may have a slight delay vs live market rates.
Uses curl and jq — works on macOS, Linux, Windows (WSL).
For production use, consider paid APIs (exchangerate-api.com paid, currencylayer, fixer.io).

Converted and distributed by TomeVault — claim your Tome and manage your conversions.

---name: currencydescription: Currency exchange rates and conversion (free API, no key required). Use when this capability is needed.---# Currency ExchangeQuery real-time exchange rates and convert currencies using free APIs. No API key required.## Get Exchange RateUSD to other currencies:```exec: curl -s "https://api.exchangerate-api.com/v4/latest/USD" | jq '{base: .base, date: .date, CNY: .rates.CNY, EUR: .rates.EUR, GBP: .rates.GBP, JPY: .rates.JPY}'```From any base currency:```exec: curl -s "https://api.exchangerate-api.com/v4/latest/BASE_CURRENCY" | jq '.rates'```Specific pair:```exec: curl -s "https://api.exchangerate-api.com/v4/latest/USD" | jq '.rates.CNY'```## Convert AmountConvert 100 USD to CNY:```exec: curl -s "https://api.exchangerate-api.com/v4/latest/USD" | jq '.rates.CNY * 100'```Convert with formatted output:```exec: RATE=$(curl -s "https://api.exchangerate-api.com/v4/latest/USD" | jq -r '.rates.CNY') && echo "100 USD = $(echo "$RATE * 100" | bc) CNY (Rate: $RATE)"```Generic conversion (replace AMOUNT, FROM, TO):```exec: RATE=$(curl -s "https://api.exchangerate-api.com/v4/latest/FROM_CURRENCY" | jq -r '.rates.TO_CURRENCY') && echo "AMOUNT FROM_CURRENCY = $(echo "$RATE * AMOUNT" | bc) TO_CURRENCY"```## List All Available Currencies```exec: curl -s "https://api.exchangerate-api.com/v4/latest/USD" | jq '.rates | keys[]'```## Alternative API: FloatRates```exec: curl -s "https://www.floatrates.com/daily/usd.json" | jq '{CNY: .cny.rate, EUR: .eur.rate, GBP: .gbp.rate, JPY: .jpy.rate}'```## Alternative API: Open Exchange Rates (free tier, key required)```exec: curl -s "https://openexchangerates.org/api/latest.json?app_id=YOUR_APP_ID" | jq '.rates | {CNY, EUR, GBP, JPY}'```## Compare Multiple Currencies```exec: curl -s "https://api.exchangerate-api.com/v4/latest/CNY" | jq '{base: .base, USD: .rates.USD, EUR: .rates.EUR, JPY: .rates.JPY, GBP: .rates.GBP, KRW: .rates.KRW, HKD: .rates.HKD}'```## Common Currency Codes- `USD` — US Dollar- `CNY` — Chinese Yuan- `EUR` — Euro- `GBP` — British Pound- `JPY` — Japanese Yen- `KRW` — Korean Won- `HKD` — Hong Kong Dollar- `TWD` — Taiwan Dollar- `SGD` — Singapore Dollar- `AUD` — Australian Dollar- `CAD` — Canadian Dollar- `CHF` — Swiss Franc## Notes- `exchangerate-api.com` free tier: 1500 requests/month, no key needed.- `floatrates.com`: fully free, no key needed, updated daily.- Rates are approximate and may have a slight delay vs live market rates.- Uses `curl` and `jq` — works on macOS, Linux, Windows (WSL).- For production use, consider paid APIs (exchangerate-api.com paid, currencylayer, fixer.io).---> Converted and distributed by [TomeVault](https://tomevault.io/claim/linanwx) — claim your Tome and manage your conversions.

Frequently asked questions

Currency