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FXMacroData

by io.github.fxmacrodata

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Policy Scenario Modeler Task

policy_scenario_modeler_task

Read-only

Run a policy-rate spread what-if scenario for an FX pair and estimate directional spot impact using an explicit heuristic elasticity assumption. Returns analysis in the tool response. Access: requires an FXMacroData API key; an anonymous call returns subscription_required with a subscribe link.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`base`	Yes	Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, CNY, DKK, EUR, GBP, HUF, ILS, JPY, KRW, MYR, NGN, NOK, NZD, PEN, SEK, THB, TWD, USD.
`quote`	Yes	Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, CNY, DKK, EUR, GBP, HUF, ILS, JPY, KRW, MYR, NGN, NOK, NZD, PEN, SEK, THB, TWD, USD.
`end_date`	No	Optional inclusive upper bound, YYYY-MM-DD.
`shock_bps`	No	Policy shock size in basis points (100 bps = 1.00 percentage point).
`shock_leg`	No	Which leg receives the policy shock: base or quote.	base
`start_date`	No	Optional inclusive lower bound, YYYY-MM-DD.
`policy_shock_bps`	No	Optional alias for shock_bps for compatibility with host-side app payloads.
`elasticity_per_100bps`	No	Heuristic percent change in FX spot for a 100 bps spread change. Used as a scenario assumption, not a forecast guarantee.

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedSep 11, 2026

changedInput schema / properties / base / description

Previous value: -"Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, CNY, DKK, EUR, GBP, ILS, JPY, NGN, NOK, NZD, PEN, SEK, THB, USD."New value: +"Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, CNY, DKK, EUR, GBP, HUF, ILS, JPY, KRW, MYR, NGN, NOK, NZD, PEN, SEK, THB, TWD, USD."

changedInput schema / properties / quote / description

Previous value: -"Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, CNY, DKK, EUR, GBP, ILS, JPY, NGN, NOK, NZD, PEN, SEK, THB, USD."New value: +"Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, CNY, DKK, EUR, GBP, HUF, ILS, JPY, KRW, MYR, NGN, NOK, NZD, PEN, SEK, THB, TWD, USD."

Changed8 schema fields changedSep 7, 2026
- removedInput schema / properties / base / title
```
Removed value: -"Base"
```
- removedInput schema / properties / elasticity_per_100bps / title
```
Removed value: -"Elasticity Per 100Bps"
```
- removedInput schema / properties / end_date / title
```
Removed value: -"End Date"
```
- removedInput schema / properties / policy_shock_bps / title
```
Removed value: -"Policy Shock Bps"
```
- removedInput schema / properties / quote / title
```
Removed value: -"Quote"
```
- removedInput schema / properties / shock_bps / title
```
Removed value: -"Shock Bps"
```
- removedInput schema / properties / shock_leg / title
```
Removed value: -"Shock Leg"
```
- removedInput schema / properties / start_date / title
```
Removed value: -"Start Date"
```

Changed2 schema fields changedJul 8, 2026

changedInput schema / properties / base / description

Previous value: -"Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, CNY, DKK, EUR, GBP, IDR, ILS, JPY, NGN, NOK, NZD, PEN, SEK, THB, USD."New value: +"Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, CNY, DKK, EUR, GBP, ILS, JPY, NGN, NOK, NZD, PEN, SEK, THB, USD."

changedInput schema / properties / quote / description

Previous value: -"Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, CNY, DKK, EUR, GBP, IDR, ILS, JPY, NGN, NOK, NZD, PEN, SEK, THB, USD."New value: +"Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, CNY, DKK, EUR, GBP, ILS, JPY, NGN, NOK, NZD, PEN, SEK, THB, USD."

Changed2 schema fields changedJul 4, 2026

changedInput schema / properties / base / description

Previous value: -"Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NGN, NOK, NZD, PEN, SEK, THB, USD."New value: +"Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, CNY, DKK, EUR, GBP, IDR, ILS, JPY, NGN, NOK, NZD, PEN, SEK, THB, USD."

changedInput schema / properties / quote / description

Previous value: -"Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NGN, NOK, NZD, PEN, SEK, THB, USD."New value: +"Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, CNY, DKK, EUR, GBP, IDR, ILS, JPY, NGN, NOK, NZD, PEN, SEK, THB, USD."

Changed2 schema fields changedJun 28, 2026

changedInput schema / properties / base / description

Previous value: -"Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NGN, NZD, PEN, SEK, THB, USD."New value: +"Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NGN, NOK, NZD, PEN, SEK, THB, USD."

changedInput schema / properties / quote / description

Previous value: -"Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NGN, NZD, PEN, SEK, THB, USD."New value: +"Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NGN, NOK, NZD, PEN, SEK, THB, USD."

Changed2 schema fields changedJun 28, 2026

changedInput schema / properties / base / description

Previous value: -"Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NZD, PEN, SEK, THB, USD."New value: +"Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NGN, NZD, PEN, SEK, THB, USD."

changedInput schema / properties / quote / description

Previous value: -"Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NZD, PEN, SEK, THB, USD."New value: +"Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NGN, NZD, PEN, SEK, THB, USD."

Changed2 schema fields changedJun 27, 2026

changedInput schema / properties / base / description

Previous value: -"Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NZD, PEN, SEK, USD."New value: +"Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NZD, PEN, SEK, THB, USD."

changedInput schema / properties / quote / description

Previous value: -"Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NZD, PEN, SEK, USD."New value: +"Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NZD, PEN, SEK, THB, USD."

Changed2 schema fields changedJun 25, 2026

changedInput schema / properties / base / description

Previous value: -"Base currency, 3-letter ISO code (case-insensitive). Supported: AED, AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, MXN, NZD, PEN, PLN, SEK, THB, TWD, USD."New value: +"Base currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NZD, PEN, SEK, USD."

changedInput schema / properties / quote / description

Previous value: -"Quote currency, 3-letter ISO code (case-insensitive). Supported: AED, AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, MXN, NZD, PEN, PLN, SEK, THB, TWD, USD."New value: +"Quote currency, 3-letter ISO code (case-insensitive). Supported: AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, NZD, PEN, SEK, USD."

Changed2 schema fields changedJun 25, 2026

changedInput schema / properties / base / description

Previous value: -"Base currency, 3-letter ISO code (case-insensitive). Supported: AED, AUD, BRL, CAD, CHF, DKK, EUR, GBP, IDR, ILS, JPY, MXN, NZD, PEN, PLN, SEK, THB, TWD, USD."New value: +"Base currency, 3-letter ISO code (case-insensitive). Supported: AED, AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, MXN, NZD, PEN, PLN, SEK, THB, TWD, USD."

changedInput schema / properties / quote / description

Previous value: -"Quote currency, 3-letter ISO code (case-insensitive). Supported: AED, AUD, BRL, CAD, CHF, DKK, EUR, GBP, IDR, ILS, JPY, MXN, NZD, PEN, PLN, SEK, THB, TWD, USD."New value: +"Quote currency, 3-letter ISO code (case-insensitive). Supported: AED, AUD, BRL, CAD, CHF, CNH, DKK, EUR, GBP, IDR, ILS, JPY, MXN, NZD, PEN, PLN, SEK, THB, TWD, USD."

AddedJun 9, 2026

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