# verify MCP server

Independent ZARONIA coupon verification for SA FRNs & money-market paper, SARB-compounded index.

## Links
- Registry page: https://www.getdrio.com/mcp/za-co-zaroniacalculator-api-verify
- Website: https://zaroniacalculator.co.za

## Install
- Endpoint: https://api.zaroniacalculator.co.za/mcp
- Auth: Not captured

## Setup notes
- Remote endpoint: https://api.zaroniacalculator.co.za/mcp

## Tools
- 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. Endpoint: https://api.zaroniacalculator.co.za/mcp
- get_latest_index - FREE. The latest published SARB Compounded ZARONIA Index point — date and 12dp value. Use it to confirm data freshness before verifying. Endpoint: https://api.zaroniacalculator.co.za/mcp
- 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. Endpoint: https://api.zaroniacalculator.co.za/mcp
- 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. Endpoint: https://api.zaroniacalculator.co.za/mcp

## Resources
Not captured

## Prompts
Not captured

## Metadata
- Owner: za.co.zaroniacalculator.api
- Version: 1.0.0
- Runtime: Streamable Http
- Transports: HTTP
- License: Not captured
- Language: Not captured
- Stars: Not captured
- Updated: Jul 16, 2026
- Source: https://registry.modelcontextprotocol.io