What is exchange-rate-get-exchange-rate?

A currency conversion endpoint that returns the current rate between two three-letter currency codes, such as USD and EUR.

Use it in prices, payment screens, reports, or other code that needs a published exchange rate.

It provides the rate needed to convert an amount from one currency into another.

exchange-rate-get-exchange-rate — Skill for Claude Code by bobadilla-t

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add bobadilla-tech/requiems-api-skills --skill exchange-rate-get-exchange-rate

Clone the repo

git clone --depth 1 https://github.com/bobadilla-tech/requiems-api-skills

Made for: Claude Code.

Or install requiems-api-skills, the plugin that ships this one along with the rest of its 127 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/bobadilla-tech/requiems-api-skills/exchange-rate-get-exchange-rate/github.svg)](https://agentmods.dev/skills/bobadilla-tech/requiems-api-skills/exchange-rate-get-exchange-rate)

Your own site

<a href="https://agentmods.dev/skills/bobadilla-tech/requiems-api-skills/exchange-rate-get-exchange-rate"><img src="https://agentmods.dev/badge/skills/bobadilla-tech/requiems-api-skills/exchange-rate-get-exchange-rate/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/bobadilla-tech/requiems-api-skills/exchange-rate-get-exchange-rate"><img src="https://agentmods.dev/badge/skills/bobadilla-tech/requiems-api-skills/exchange-rate-get-exchange-rate.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 16 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 422 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00016	$0.00422
Opus 5	$0.00008	$0.00211
Sonnet 5	$0.00003	$0.00084
Haiku 4.5	$0.00002	$0.00042

Measured 12d ago against content hash 60fc4da4b774, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

exchange-rate-get-exchange-rate scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/exchange-rate-get-exchange-rate/SKILL.md · 55 lines

What it actually says

Endpoint

GET https://requiems.xyz/v1/finance/exchange-rate

Get Exchange Rate

Returns the current exchange rate between two currencies.

Parameters

Name	Type	Required	Location	Description
`from`	string	yes	query	ISO 4217 source currency code (3 letters, e.g. USD)
`to`	string	yes	query	ISO 4217 target currency code (3 letters, e.g. EUR)

Response Example

{
  "data": {
    "from": "USD",
    "to": "EUR",
    "rate": 0.92,
    "timestamp": "2024-12-15T00:00:00Z"
  },
  "metadata": {
    "timestamp": "2026-01-01T00:00:00Z"
  }
}

Response Fields

Field	Type	Description
`from`	string	Source currency code (uppercased)
`to`	string	Target currency code (uppercased)
`rate`	number	Exchange rate — how many units of `to` equal 1 unit of `from`
`timestamp`	string	Date the rate was published by the ECB (ISO 8601)

Errors

400 bad_request — A required parameter is missing or the currency code is not exactly 3 alphabetic characters.
422 invalid_currency — One or both currency codes are not recognised by the upstream data source.
503 upstream_error — The exchange rate data source is temporarily unavailable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

12d ago First seen · 55 lines · 16 tokens per session scan A 60fc4da4b774

Subscribe to this mod's changes

exchange-rate-get-exchange-rate is a skill published in the GitHub repository bobadilla-tech/requiems-api-skills (2 stars, last pushed 5d ago), licensed MIT. It adds 16 tokens to every session and 422 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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