Is the Zvmzaretsky Utility Belt MCP server down?

• Added readOnlyHint: true (inferred from the name). (verify)

{
  "name": "convert",
  "description": "FREE. Convert a value between units in the same dimension: length, mass, temperature, volume, data, time, area, speed, angle, pressure, energy. Deterministic. Args: value (number), from (unit), to (unit). e.g. {value:100, from:'c', to:'f'} or {value:1, from:'GiB', to:'MB'}. Different-dimension conversions 400.",
  "inputSchema": {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "value",
      "from",
      "to"
    ],
    "properties": {
      "to": {
        "type": "string",
        "description": "Target unit in the same dimension."
      },
      "from": {
        "type": "string",
        "description": "Source unit, e.g. c, km, GiB, gal, kg."
      },
      "value": {
        "type": "number",
        "description": "Numeric value to convert."
      }
    },
    "additionalProperties": false
  },
  "annotations": {
    "readOnlyHint": true
  },
  "title": "Unit conversion"
}

• Added readOnlyHint: false, destructiveHint: false, idempotentHint: false (inferred from the name). (verify)

{
  "name": "cron",
  "description": "PAID $0.001. Parse a 5- or 6-field cron expression and return the next N run times plus a plain-English description. Args: expression, timezone (IANA, default UTC), count (default 5), from (ISO, optional). Without payment returns the x402 challenge; pass x_payment to settle.",
  "inputSchema": {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "expression"
    ],
    "properties": {
      "from": {
        "type": "string",
        "description": "Compute runs after this ISO datetime (default now)."
      },
      "count": {
        "type": "integer",
        "description": "How many upcoming runs (1-100, default 5)."
      },
      "timezone": {
        "type": "string",
        "description": "IANA timezone (default UTC)."
      },
      "x_payment": {
        "type": "string",
        "description": "x402 payment payload (base64) for this PAID tool. If supplied it is forwarded as the X-PAYMENT header to settle the $0.001 call and return the real result instead of a 402 challenge. Omit to get the price challenge first."
      },
      "expression": {
        "type": "string",
        "description": "Cron expression, e.g. '0 9 * * 1-5'."
      }
    },
    "additionalProperties": false
  },
  "annotations": {
    "readOnlyHint": false,
    "destructiveHint": false,
    "idempotentHint": false
  },
  "title": "Cron -> next N runs + description (paid $0.001)"
}

• Added readOnlyHint: true (inferred from the name). (verify)

{
  "name": "currency",
  "description": "PAID $0.001. Convert an amount between currencies at reference/mid-market rates from a keyless public central-bank feed (ECB), cached. Informational, not a dealable quote. Args: amount, from, to (ISO-4217, e.g. USD, EUR, JPY). Without payment returns the x402 challenge; pass x_payment to settle.",
  "inputSchema": {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "amount",
      "from",
      "to"
    ],
    "properties": {
      "to": {
        "type": "string",
        "description": "Target ISO-4217 code, e.g. EUR."
      },
      "from": {
        "type": "string",
        "description": "Source ISO-4217 code, e.g. USD."
      },
      "amount": {
        "type": "number",
        "description": "Amount in the source currency."
      },
      "x_payment": {
        "type": "string",
        "description": "x402 payment payload (base64) for this PAID tool. If supplied it is forwarded as the X-PAYMENT header to settle the $0.001 call and return the real result instead of a 402 challenge. Omit to get the price challenge first."
      }
    },
    "additionalProperties": false
  },
  "annotations": {
    "readOnlyHint": true
  },
  "title": "Live currency convert (paid $0.001)"
}