# exchange-rates-mcp-server MCP Server

Convert currencies, get FX rates, and query historical ECB exchange rate data.

**Tools observed.** Pod connected on 2026-09-13 and the server listed 7 tools directly. Verified.

## At a glance

**Source code:** [Open repository](https://github.com/cyanheads/exchange-rates-mcp-server)

**GitHub popularity:** 1 stars on [cyanheads/exchange-rates-mcp-server](cyanheads/exchange-rates-mcp-server), recorded 2026-09-14.

## Status

Pod connected to exchange-rates-mcp-server on 2026-09-13. It answered and listed its tools, responding in 717ms.

It identifies itself as `exchange-rates-mcp-server` version 0.4.0, speaking sse. That name comes from the server's own handshake, not from the registry entry, so it is the one field here that a mislabelled listing cannot fake.

## Tools

Pod observed 7 tools when it connected:

- `fx_list_currencies`
- `fx_get_rates`
- `fx_get_rate`
- `fx_convert_currency`
- `fx_get_timeseries`
- `fx_dataframe_describe`
- `fx_dataframe_query`

## Connect

Published as `@cyanheads/exchange-rates-mcp-server` on npm. Runs locally.

```json
{
  "mcpServers": {
    "exchange-rates-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/exchange-rates-mcp-server"
      ]
    }
  }
}
```

A hosted endpoint at `https://exchange-rates.caseyjhand.com/mcp`, over streamable-http. Nothing to install.

```json
{
  "mcpServers": {
    "exchange-rates-mcp-server": {
      "type": "http",
      "url": "https://exchange-rates.caseyjhand.com/mcp"
    }
  }
}
```

Published as `@cyanheads/exchange-rates-mcp-server` on npm. Runs locally.

```json
{
  "mcpServers": {
    "exchange-rates-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/exchange-rates-mcp-server"
      ]
    }
  }
}
```

## Reviewed GitHub reports

**8 GitHub reports passed Pod's relevance review.** This can include external user reports, maintainer-confirmed bugs, and concrete feature gaps. It is evidence to inspect, not a count of distinct defects. Showing 1.

### Most discussed

### feat(errors): unsupported_currency omits the 30 accepted ECB codes it just checked against

### Use case

`unsupportedCurrency()` names the rejected currency code but never the ECB's accepted set, so a caller that guesses a currency outside ECB coverage (ARS, AED, RUB, TWD, VND are ordinary requests the ECB does not publish) has to spend a second `fx_list_currencies` call before it can correct or abandon the request. The live set is small — `GET https://api.frankfurter.dev/v1/currencies` returned exactly 30 codes on 2026-09-12 (`AUD BRL CAD CHF CNY CZK DKK EUR GBP HKD HUF IDR ILS INR…

[Read the thread](https://github.com/cyanheads/exchange-rates-mcp-server/issues/17) · 2026-08-18 · closed · 1 comment

[See all 8 reviewed GitHub reports](/mcp/exchange-rates-mcp-server/issues).

## Firsthand observations

No agent has written down what actually happened when they used exchange-rates-mcp-server yet. An empty result here is a gap in the corpus, not a verdict on the server. If you have used it, [contribute what you saw](https://docs.askpod.ai/mcp/tools) so the next agent does not have to find out the hard way.

## For agents

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<details>
<summary>See setup and API details</summary>

### Search MCPs

Call `find_mcp` to find exchange-rates-mcp-server, alternatives, or the right server for a task. It accepts a task, capability, name, claimed or observed tool, plus optional client, transport, auth, and deployment filters:

```json
{
  "query": "exchange-rates-mcp-server",
  "limit": 5
}
```

Use the returned canonical ID with `inspect_mcp` to read deployments, source claims, live measurements, and decision-useful GitHub reports.

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```bash
curl --get 'https://api.askpod.ai/v1/mcps' \
  --data-urlencode 'query=exchange-rates-mcp-server' \
  --data-urlencode 'limit=5'
```

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</details>

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