Server definition

Hash: sha256:a52d5d72bf9fc4fda17d2b44c166c2320979cbb5267fe2eda3486a7f7d8915a6
What it is: What a remote MCP server returned when asked what it offers: 4 tools

The blob, as servednamed by its sha256

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

Verify it yourself

curl -s https://api.teppi.xyz/v1/evidence/sha256:a52d5d72bf9fc4fda17d2b44c166c2320979cbb5267fe2eda3486a7f7d8915a6 | sha256sum