MCP server

Zaroniacalculator Verify Official

za.co.zaroniacalculator.api/verify

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Website

At a glance

Type

MCP server

Publisher

zaroniacalculator.co.za (verified by the MCP Registry)

Status

Working at last check

Tools

4

Token cost

About 799 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http verify https://api.zaroniacalculator.co.za/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.verify]
url = "https://api.zaroniacalculator.co.za/mcp"

Gemini CLI

{"mcpServers":{"verify":{"httpUrl":"https://api.zaroniacalculator.co.za/mcp"}}}

Cursor

{"mcpServers":{"verify":{"url":"https://api.zaroniacalculator.co.za/mcp"}}}

VS Code

{"servers":{"verify":{"type":"http","url":"https://api.zaroniacalculator.co.za/mcp"}}}

Antigravity

agy mcp add verify https://api.zaroniacalculator.co.za/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"verify","server_url":"https://api.zaroniacalculator.co.za/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"verify","server_url":"https://api.zaroniacalculator.co.za/mcp"}

Tools

• get_conventions ~112 tokens
  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.
• get_latest_index ~81 tokens
  FREE. The latest published SARB Compounded ZARONIA Index point — date and 12dp value. Use it to confirm data freshness before verifying.
• verify_frn_coupon ~401 tokens
  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 g
• verify_otc_coupon ~205 tokens
  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

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