Capabilities
Fx Rates
Get reference rates for a registered base currency. Financial reference/information data only. Not personalised financial advice, not an execution venue, and not a guarantee of a tradable price.
How this capability is exposed
- Stable ID
ursy.finance:fx-rates- Owning service
- URSY.finance
- Runtime
- See the source declaration
Capability declarations describe what the service exposes. They are not a guarantee of availability or permission to execute an operation.
Accepted contract
{
"id": "ursy.finance:fx-rates",
"mcp_tool": "get_fx_rates",
"description": "Get reference rates for a registered base currency. Financial reference/information data only. Not personalised financial advice, not an execution venue, and not a guarantee of a tradable price.",
"routes": [
{
"operation_id": "getFxRates",
"method": "GET",
"url": "https://ursy.finance/wp-json/ursy-finance/v2/fx/rates",
"rate_limit": {
"bucket": "quotes",
"requests_per_minute": 120
},
"mcp_rate_limit": {
"bucket": "mcp",
"requests_per_minute": 60
}
}
],
"input_schema": {
"type": "object",
"properties": {
"base": {
"type": "string",
"pattern": "^[A-Za-z]{3}$",
"minLength": 3,
"maxLength": 3,
"default": "EUR"
}
},
"required": [],
"additionalProperties": false
},
"output_schema": {
"type": "object",
"properties": {
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"type": "string"
},
"base": {
"type": "string"
},
"items": {
"type": "array",
"items": {
"type": "object",
"properties": {
"schema": {
"const": "ursy.finance/observation/v2"
},
"instrument": {
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"properties": {
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"const": "ursy.finance/instrument/v2"
},
"id": {
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"symbol": {
"type": [
"string",
"null"
]
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"name": {
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"type": [
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"type": [
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]
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}
},
"identity_status": {
"type": "string"
},
"definition_history": {
"type": "object",
"properties": {
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"const": "ursy.finance/definition-history/v2"
},
"status": {
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"specification_only",
"definition_changed_review_required",
"not_retained_in_snapshot",
"not_applicable"
]
},
"metadata_scope": {
"enum": [
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"accepted_snapshot",
"not_applicable"
]
},
"history_complete": {
"const": false
},
"publisher_definition": {
"type": [
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]
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"publisher_definition_sha256": {
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]
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"evidence_url": {
"type": [
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]
},
"evidence_location": {
"type": [
"string",
"null"
]
},
"date_convention": {
"type": "string"
},
"segments": {
"type": "array",
"items": {
"type": "object",
"properties": {
"effective_from": {
"type": [
"string",
"null"
]
},
"effective_to": {
"type": [
"string",
"null"
]
},
"effective_from_precision": {
"enum": [
"year",
"month",
null
]
},
"effective_to_precision": {
"enum": [
"year",
"month",
null
]
},
"effective_from_basis": {
"enum": [
"publisher",
"derived_from_adjacent_publisher_period",
"unknown"
]
},
"effective_to_basis": {
"enum": [
"publisher",
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"unknown"
]
},
"description": {
"type": "string"
}
},
"required": [
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"effective_to_precision",
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"effective_to_basis",
"description"
]
}
}
},
"required": [
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"history_complete",
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"publisher_definition_sha256",
"evidence_url",
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"date_convention",
"segments"
]
}
},
"required": [
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"id",
"symbol",
"name",
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"frequency",
"data_kind",
"source_id",
"canonical_url",
"methodology_url",
"source_url",
"aliases",
"identity_status"
]
},
"value": {
"type": "number"
},
"unit": {
"type": "string"
},
"state": {
"type": "object",
"properties": {
"data_state": {
"enum": [
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"delayed",
"reference",
"stale",
"historical",
"unavailable"
]
},
"market_state": {
"type": [
"string",
"null"
]
},
"freshness": {
"type": "string"
},
"stale": {
"type": "boolean"
},
"observation_age_seconds": {
"type": [
"number",
"null"
]
},
"retrieval_age_seconds": {
"type": [
"number",
"null"
]
},
"fail_closed": {
"type": "boolean"
},
"expected_cadence": {
"type": "string"
}
},
"required": [
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"market_state",
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"stale",
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]
},
"time": {
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"properties": {
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"type": "string"
},
"published_at": {
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]
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"retrieved_at",
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"dataset": {
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"adapter": {
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"adapter_version": {
"type": "string"
},
"licence": {
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"string",
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]
},
"licence_url": {
"type": [
"string",
"null"
]
},
"terms_url": {
"type": [
"string",
"null"
]
},
"url": {
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"string",
"null"
]
},
"methodology_url": {
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"string",
"null"
]
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"type": "string"
},
"redistribution_rights": {
"type": "string"
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"api_allowed": {
"type": "boolean"
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"type": "boolean"
},
"bulk_download_allowed": {
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"type": [
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},
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},
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"type": "string"
},
"rights_scope": {
"type": "string"
},
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"freshness_rules": {
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]
},
"calculation": {
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"properties": {
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},
"method": {
"type": "string"
},
"formula": {
"type": [
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"null"
]
},
"input_observations": {
"type": "array",
"items": {
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"properties": {
"source_id": {
"type": "string"
},
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"observation_date": {
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"value": {
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"required": [
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]
},
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}
},
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"items": {
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}
},
"snapshot": {
"type": [
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]
},
"value_decimal": {
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"string",
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]
}
},
"unavailable": {
"type": "array",
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}
},
"warnings": {
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}
}
},
"required": [
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"base",
"items",
"unavailable",
"warnings"
]
},
"data_class": "reference",
"auth": "none",
"read_only": true,
"risk": "read_only_reference_information",
"service_id": "ursy-finance",
"parent_id": "",
"name": "Fx Rates",
"summary": "Get reference rates for a registered base currency. Financial reference/information data only. Not personalised financial advice, not an execution venue, and not a guarantee of a tradable price.",
"source_url": "https://ursy.finance/.well-known/ursy-capabilities.json",
"source_type": "capability_manifest",
"verified_at": "2026-09-26 06:31:27",
"revision": "23e139f3c0939501c6223d221767437f0baedd4f5be81a306ef7abcd3f14b515",
"type": "capabilities",
"source": {
"url": "https://ursy.finance/.well-known/ursy-capabilities.json",
"type": "capability_manifest"
},
"last_verified_at": "2026-09-26 06:31:27",
"stale": true
}