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Serveur MCP

verify

za.co.zaroniacalculator.api/verify
Finance et investissement Public et accessible MCP 2025-11-25

Ce que fait ce MCP

Recomputes and verifies South African ZARONIA floating-rate-note and OTC money-market coupons using published calculation conventions and audit workings.

Capacités

Outils

4 outils
get_conventions
FREE. The exact calculation conventions of both engines (listed FRN: SARB §2.2.3 compounded index, 5-bday lookback, Modified Following; OTC: 1-bday lookback, Act/365, half-up 4dp), the verification tolerance, and the index source. Call this first.
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
get_latest_index
FREE. The latest published SARB Compounded ZARONIA Index point — date and 12dp value. Use it to confirm data freshness before verifying.
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
verify_frn_coupon
PAID ($0.25). Independently recompute and verify a listed South African ZARONIA FRN coupon (SARB §2.2.3 compounded-index formula). Returns the coupon to 4dp, full audit workings (observation dates, index values, formula), and a match/mismatch verdict at 0.05bp tolerance when expected_coupon_pct is given. Pass api_key if you have one; otherwise the response explains how to pay via x402.
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['calc_date', 'issue_date', 'first_coupon_date', 'coupon_frequency', 'margin_pct'], 'properties': {'api_key': {'type': 'string', 'description': 'zaronia-verify API key (bypasses x402; metered for invoicing)'}, 'calc_date': {'type': 'string', 'description': 'YYYY-MM-DD â\x80\x94 issue, reset or mid-period date to recompute at'}, 'issue_date': {'type': 'string', 'description': 'YYYY-MM-DD'}, 'margin_pct': {'type': 'number', 'description': 'Prospectus margin/spread, percent p.a.'}, 'lookback_bdays': {'type': 'integer', 'maximum': 10, 'minimum': 0, 'description': 'Per-bond lookback, default 5'}, 'coupon_frequency': {'enum': ['Monthly', 'Quarterly', 'Semi-annually', 'Annually'], 'type': 'string'}, 'first_coupon_date': {'type': 'string', 'description': 'YYYY-MM-DD â\x80\x94 first IPD; Modified Following schedule from here'}, 'expected_coupon_pct': {'type': 'number', 'description': 'The coupon you were given â\x80\x94 enables the verdict'}}}
verify_otc_coupon
PAID ($0.10). Independently recompute and verify an OTC money-market ZARONIA coupon (1-bday lookback, Act/365, half-up 4dp). Returns coupon, workings and a verdict at 0.05bp tolerance when expected_coupon_pct is given. Pass api_key if you have one; otherwise the response explains how to pay via x402.
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['settlement_date', 'margin_pct'], 'properties': {'api_key': {'type': 'string', 'description': 'zaronia-verify API key'}, 'margin_pct': {'type': 'number'}, 'settlement_date': {'type': 'string', 'description': 'YYYY-MM-DD â\x80\x94 settlement = issue date'}, 'expected_coupon_pct': {'type': 'number'}}}
Historique

Modifications récentes des outils

Ajouté
verify_otc_coupon
17 September 2026 12:55
Ajouté
verify_frn_coupon
17 September 2026 12:55
Ajouté
get_latest_index
17 September 2026 12:55
Ajouté
get_conventions
17 September 2026 12:55
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