orrery/fx-rate

Pinned FX rate for allowlisted currency pair and as-of date.

/resolve?name=orrery/fx-rate

Use this when

You need an offline exchange rate for a quote join
You want sealed FX facts without a live market feed
You are composing money-light enrich context

Not for

Live market trading or checkout paths
Wallet ledger or payment processing
Arbitrary currency pair lookup

Inputs / Outputs

Inputs

Name	Type	Notes
`pair`	string	allowlisted base-quote token (e.g. usd-eur)
`as_of`	string	pinned calendar date for fixture revision

Outputs

Name	Type	Notes
`base`	string	ISO currency code for base leg
`quote`	string	ISO currency code for quote leg
`rate`	number	pinned exchange rate
`provider`	string	fixture attribution (orrery-fixtures)
`envelope`	signed-envelope	—

Example

{
  "method": "tools/call",
  "params": {
    "name": "answer",
    "arguments": {
      "pair": "usd-eur",
      "as_of": "2026-06-01"
    }
  }
}

Tools

fx_rate Look up an allowlisted FX pair at a pinned as-of date · schema

{
  "type": "object",
  "properties": {
    "pair": {
      "type": "string",
      "enum": [
        "eur-gbp",
        "eur-usd",
        "gbp-jpy",
        "usd-eur",
        "usd-gbp",
        "usd-jpy"
      ],
      "description": "Allowlisted base-quote token (e.g. usd-eur)."
    },
    "as_of": {
      "type": "string",
      "format": "date",
      "enum": [
        "2026-01-15",
        "2026-06-01",
        "2026-08-01"
      ],
      "description": "Pinned calendar date for the fixture revision."
    }
  },
  "required": [
    "pair",
    "as_of"
  ]
}

answer FX rate lookup with a concise answer sealed in an Envelope · schema

{
  "type": "object",
  "properties": {
    "pair": {
      "type": "string",
      "enum": [
        "eur-gbp",
        "eur-usd",
        "gbp-jpy",
        "usd-eur",
        "usd-gbp",
        "usd-jpy"
      ],
      "default": "usd-eur"
    },
    "as_of": {
      "type": "string",
      "format": "date",
      "enum": [
        "2026-01-15",
        "2026-06-01",
        "2026-08-01"
      ],
      "default": "2026-06-01"
    }
  }
}

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