_ index / mcp http-sse

exchange-rates-mcp-server

https://exchange-rates.caseyjhand.com

5b5f10052c5deb88

api record

ECB reference FX rates via Frankfurter (keyless, ~30 currencies, 1999-01-04 to present).

- Rates are mid-market ECB reference rates — not tradeable bid/ask.

endpoint: https://exchange-rates.caseyjhand.com/mcp
protocol: http-sse ·2025-06-18
authentication: none observed
public key: none — nobody has proven they own this listing
karma: 0 · newcomer

reachable

unknown

checked never

uptime

—

latency

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last good check

priced tools

of 7 tools

_ what it can do 7 tools

7 never probed 0 of 7 classified

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

fx_list_currencies unknown never probed
List all supported ISO 4217 currency codes with their full names. Call this before converting to disambiguate "dollars" (USD vs AUD vs CAD vs HKD vs SGD) or to validate a user-supplied currency code. Covers the ~30 ECB reference currencies.

mcp-tool
{ "type": "object", "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": {}, "additionalProperties": false }
arguments 6 lines

fx_get_rates unknown never probed

Get all available exchange rates for one base currency in a single snapshot. Useful for bulk comparison and seeding downstream tools. Returns a map of quote currency → rate, the actual snapshot date, and whether a historical date was snapped from a weekend/holiday to the prior business day. Optionally filter to a subset of quote currencies via symbols. Listing the base currency itself in symbols is accepted and returns a rate of 1 for it.

mcp-tool

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "base_currency"
  ],
  "properties": {
    "date": {
      "type": "string",
      "description": "ISO 8601 date (YYYY-MM-DD). Omit for the latest available rate. ECB data starts 1999-01-04. Future dates are not supported."
    },
    "symbols": {
      "type": "array",
      "items": {
        "type": "string",
        "description": "ISO 4217 currency code to include in the response."
      },
      "minItems": 1,
      "description": "Optional list of quote currency codes to filter the response. When provided, must contain at least one currency code — omit the field entirely, not an empty array, to return all ~30 supported currencies (the base is not among them). Including base_currency here is valid — it comes back with a rate of 1."
    },
    "base_currency": {
      "type": "string",
      "description": "ISO 4217 base currency code (e.g. USD). Call fx_list_currencies to get valid codes."
    }
  },
  "additionalProperties": false
}

arguments 27 lines

fx_get_rate unknown never probed

Get the exchange rate for a currency pair on a given date (default: latest). Returns the rate, the actual rate date (which may differ from the requested date on weekends/holidays — ECB publishes business days only), and source provenance. Cross-rates are triangulated through EUR automatically. A same-currency pair returns a rate of 1, dated to the same publication day any other pair would report for that date. Use fx_convert_currency when you want the converted amount; use this tool when you only need the rate number.

mcp-tool

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "base_currency",
    "quote_currency"
  ],
  "properties": {
    "date": {
      "type": "string",
      "description": "ISO 8601 date (YYYY-MM-DD). Omit for the latest available rate. ECB data starts 1999-01-04. Future dates are not supported."
    },
    "base_currency": {
      "type": "string",
      "description": "ISO 4217 base currency code (e.g. USD). Call fx_list_currencies to get valid codes."
    },
    "quote_currency": {
      "type": "string",
      "description": "ISO 4217 quote currency code (e.g. EUR). The rate is expressed as \"how many quote units per 1 base unit\". Call fx_list_currencies to get valid codes."
    }
  },
  "additionalProperties": false
}

arguments 23 lines

fx_convert_currency unknown never probed

Convert an amount between any two currencies at the latest or a historical rate. Returns the converted amount, the rate used, the actual rate date, and whether the date was snapped from a weekend/holiday to the prior business day. Cross-rates are triangulated through EUR automatically.

mcp-tool

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "base_currency",
    "quote_currency",
    "amount"
  ],
  "properties": {
    "date": {
      "type": "string",
      "description": "ISO 8601 date (YYYY-MM-DD) for a historical rate. Omit for the latest available rate. ECB data starts 1999-01-04. Future dates are not supported."
    },
    "amount": {
      "type": "number",
      "description": "Amount in the base currency to convert. Must be greater than zero.",
      "exclusiveMinimum": 0
    },
    "base_currency": {
      "type": "string",
      "description": "ISO 4217 source currency code (e.g. USD). Call fx_list_currencies to get valid codes."
    },
    "quote_currency": {
      "type": "string",
      "description": "ISO 4217 target currency code (e.g. EUR). The amount will be expressed in this currency. Call fx_list_currencies to get valid codes."
    }
  },
  "additionalProperties": false
}

arguments 29 lines

fx_get_timeseries unknown never probed
Get historical daily exchange rates for a currency pair over a date range. ECB publishes on business days only — weekends and holidays produce no entry, and no date outside the requested range is ever returned, so a range covering only non-publication days comes back with an empty rates map and a notice explaining why. A same-currency pair returns a rate of 1 on each publication day in the range. Inline results are returned as a date→rate map paged at 500 publication days: rate_count is always the total for the requested range, and when a page is cut short the response carries truncated=true and next_start_date — call again with start_date set to next_start_date and the same end_date for the next page. When DataCanvas is enabled (CANVAS_PROVIDER_TYPE=duckdb) long ranges (>90 days by default) spill to it instead: the response carries spilled=true, a canvas_id, and a table_name — call fx_dataframe_describe to inspect the staged table, then fx_dataframe_query to run SQL against it. Without DataCanvas long ranges are paged inline (spilled=false) and the notice says so.

mcp-tool
{ "type": "object", "$schema": "https://json-schema.org/draft/2020-12/schema", "required": [ "base_currency", "quote_currency", "start_date", "end_date" ], "properties": { "end_date": { "type": "string", "description": "ISO 8601 end date (YYYY-MM-DD). Must be >= start_date. Future dates are not supported." }, "canvas_id": { "type": "string", "description": "Optional canvas ID from a prior call. Omit on the first call to start a fresh canvas; pass the returned canvas_id to append tables to an existing canvas." }, "start_date": { "type": "string", "description": "ISO 8601 start date (YYYY-MM-DD). ECB data starts 1999-01-04. The actual first data point may be later if start_date falls on a weekend/holiday." }, "base_currency": { "type": "string", "description": "ISO 4217 base currency code (e.g. USD). Call fx_list_currencies to get valid codes." }, "quote_currency": { "type": "string", "description": "ISO 4217 quote currency code (e.g. EUR). Call fx_list_currencies to get valid codes." } }, "additionalProperties": false }
arguments 33 lines
fx_dataframe_describe unknown never probed
List tables and columns staged on a DataCanvas from a prior fx_get_timeseries call. Required first step before fx_dataframe_query — use it to discover table names and column schemas. Requires DataCanvas (CANVAS_PROVIDER_TYPE=duckdb) — without it this tool is not listed at all and fx_get_timeseries returns every range inline.

mcp-tool
{ "type": "object", "$schema": "https://json-schema.org/draft/2020-12/schema", "required": [ "canvas_id" ], "properties": { "canvas_id": { "type": "string", "description": "Canvas ID returned by fx_get_timeseries. Re-run fx_get_timeseries to obtain a fresh canvas_id if this one has expired." } }, "additionalProperties": false }
arguments 14 lines

fx_dataframe_query unknown never probed

Run a read-only SQL SELECT against DataCanvas tables staged by fx_get_timeseries. Supports aggregations, GROUP BY, window functions, and JOINs across multiple registered tables. Run fx_dataframe_describe first to discover table names and column schemas. Requires DataCanvas (CANVAS_PROVIDER_TYPE=duckdb) — without it this tool is not listed at all and fx_get_timeseries returns every range inline.

mcp-tool

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "canvas_id",
    "query"
  ],
  "properties": {
    "query": {
      "type": "string",
      "description": "Read-only SQL SELECT statement. Reference tables by the names returned by fx_dataframe_describe or the table_name field from fx_get_timeseries. Example: SELECT date, rate FROM fx_usd_eur WHERE date > '2024-01-01' ORDER BY date"
    },
    "canvas_id": {
      "type": "string",
      "description": "Canvas ID returned by fx_get_timeseries. Re-run fx_get_timeseries to obtain a fresh canvas_id if this one has expired."
    },
    "row_limit": {
      "type": "integer",
      "default": 150,
      "maximum": 10000,
      "minimum": 1,
      "description": "Most rows to return (1–10000, default 150). When the query produces more, truncated is true — page with ORDER BY <column> LIMIT <n> OFFSET <m> in the SQL, or aggregate, rather than raising this toward the maximum."
    }
  },
  "additionalProperties": false
}

arguments 26 lines

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failed: 0
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