Is the Exchangerebel MCP server down?

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

{
  "name": "a2a_send",
  "description": "Send one 1:1 direct message through the A2A ciphertext relay: {from, to|to_handle, ciphertext (base64, <= 16384 bytes decoded), idempotency_key, client_ts, signature (Ed25519 over the a2a-msg/v1 payload)} -> delivered receipt. Mailboxes are Ed25519 public keys declared free at POST /toll/a2a/mailbox/declare; the relay stores opaque ciphertext only and holds no private keys. The payer of record must equal the sender mailbox. Undeliverable sends are refused FREE before payment. Free pre-check at P",
  "inputSchema": {
    "type": "object",
    "required": [
      "from",
      "ciphertext",
      "idempotency_key",
      "client_ts",
      "signature"
    ],
    "properties": {
      "to": {
        "type": "string",
        "description": "Recipient mailbox pubkey (exactly one of to / to_handle)."
      },
      "from": {
        "type": "string",
        "description": "Sender mailbox: base58 Ed25519 public key (must be a declared mailbox and must equal the payer of record)."
      },
      "client_ts": {
        "type": "string",
        "description": "ISO 8601 sender-claimed timestamp."
      },
      "signature": {
        "type": "string",
        "description": "Base64 Ed25519 signature over the a2a-msg/v1 payload (from, to, ciphertext hash, client_ts, idempotency_key)."
      },
      "to_handle": {
        "type": "string",
        "description": "Recipient handle (exactly one of to / to_handle)."
      },
      "ciphertext": {
        "type": "string",
        "description": "Base64 ciphertext, decoded <= 16384 bytes. The relay stores opaque ciphertext only and holds no private keys."
      },
      "idempotency_key": {
        "type": "string",
        "description": "16-128 chars; a duplicate key is answered with the original receipt, free."
      }
    }
  },
  "annotations": {
    "readOnlyHint": false,
    "destructiveHint": false,
    "idempotentHint": false
  }
}

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

{
  "name": "address_bundle",
  "description": "Address-validation bundle at $0.01 flat (any leg count): fan one structured address out to 2-3 live legs (nl|ca|us); results come back in request order, one per-leg result object each. A 1-leg request refuses free — use the leg tool instead. Canada is available inside this bundle only. Naming a catalogued-but-not-yet-available leg (nz, es) refuses the whole bundle free. Free pre-check: POST /toll/address/bundle/validate/preflight. $0.01 per call — USDC on Solana via x402 (over MCP: call without ",
  "inputSchema": {
    "type": "object",
    "required": [
      "address",
      "legs"
    ],
    "properties": {
      "legs": {
        "type": "array",
        "items": {
          "enum": [
            "nl",
            "ca",
            "us"
          ],
          "type": "string"
        },
        "maxItems": 3,
        "minItems": 2,
        "description": "2-3 distinct live leg codes."
      },
      "address": {
        "type": "object",
        "required": [
          "street_number",
          "street_name",
          "locality",
          "postcode"
        ],
        "properties": {
          "unit": {
            "type": "string"
          },
          "state": {
            "type": "string"
          },
          "locality": {
            "type": "string"
          },
          "postcode": {
            "type": "string"
          },
          "street_name": {
            "type": "string"
          },
          "street_type": {
            "type": "string"
          },
          "street_number": {
            "type": "string"
          }
        },
        "description": "Structured address components: street_number, street_name, locality, postcode required; state required when the legs list includes us."
      }
    }
  },
  "annotations": {
    "readOnlyHint": false,
    "destructiveHint": false,
    "idempotentHint": false
  }
}

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

{
  "name": "address_leg_nl",
  "description": "Netherlands address-validation leg (BAG via PDOK Locatieserver, CC BY 4.0) at $0.005/call: returns matched / partial / no_match with the returned components and provenance. No confidence field. Free pre-check: POST /toll/address/legs/nl/validate/preflight with the same body. $0.005 per call — USDC on Solana via x402 (over MCP: call without payment to get the PaymentRequired challenge, then retry with the payment at _meta[\"x402/payment\"]). HTTP equivalent: POST https://exchangerebel.com/toll/addr",
  "inputSchema": {
    "type": "object",
    "required": [
      "address"
    ],
    "properties": {
      "address": {
        "type": "object",
        "required": [
          "street_number",
          "street_name",
          "locality",
          "postcode"
        ],
        "properties": {
          "unit": {
            "type": "string"
          },
          "state": {
            "type": "string"
          },
          "locality": {
            "type": "string"
          },
          "postcode": {
            "type": "string"
          },
          "street_name": {
            "type": "string"
          },
          "street_type": {
            "type": "string"
          },
          "street_number": {
            "type": "string"
          }
        },
        "description": "Structured address components: street_number, street_name, locality, postcode required; unit, street_type, state optional."
      }
    }
  },
  "annotations": {
    "readOnlyHint": false,
    "destructiveHint": false,
    "idempotentHint": false
  }
}