Server definition

Hash: sha256:9e675b2ce02968e1a71739e9cd3cae43261687903c2294247f394d2c68991a81
What it is: What a remote MCP server returned when asked what it offers: 3 tools

The blob, as servednamed by its sha256

{
  "instructions": "Verify an EVM address before sending. Start with validate_address (free checksum pre-check), then check_address ($0.01) or deep_scan ($0.05) — both are two-phase x402: the first call returns the payment challenge, sign the USDC transfer, then call again with x_payment.",
  "tools": [
    {
      "description": "Paid pre-send verification of one EVM address on one chain ($0.01 USDC via x402, EIP-3009 on Base): checksum, wallet-vs-contract, outgoing activity, native/USDC/USDT balances, leveled verdict with reasons and next action. TWO-PHASE: call without x_payment first to get the exact payment challenge (payTo, amount, asset), sign the USDC transfer, then call again with x_payment = the resulting X-Payment header to get the report. No account, no API key — the payment is the authentication.",
      "inputSchema": {
        "properties": {
          "address": {
            "description": "EVM address, 0x + 40 hex characters",
            "type": "string"
          },
          "chain": {
            "description": "Chain to scan (default: base)",
            "enum": [
              "base",
              "ethereum",
              "arbitrum",
              "optimism",
              "polygon"
            ],
            "type": "string"
          },
          "x_payment": {
            "description": "X-Payment header value from your signed EIP-3009 transfer (second phase only)",
            "type": "string"
          }
        },
        "required": [
          "address"
        ],
        "type": "object"
      },
      "name": "check_address",
      "outputSchema": null
    },
    {
      "description": "Paid deep scan: the full verification across ALL FIVE chains (Base, Ethereum, Arbitrum, Optimism, Polygon) incl. wrong-network detection and USDC/USDT token-mismatch flags ($0.05 USDC via x402, EIP-3009 on Base). TWO-PHASE like check_address: first call returns the payment challenge; second call with x_payment returns the report.",
      "inputSchema": {
        "properties": {
          "address": {
            "description": "EVM address, 0x + 40 hex characters",
            "type": "string"
          },
          "x_payment": {
            "description": "X-Payment header value from your signed EIP-3009 transfer (second phase only)",
            "type": "string"
          }
        },
        "required": [
          "address"
        ],
        "type": "object"
      },
      "name": "deep_scan",
      "outputSchema": null
    },
    {
      "description": "FREE pre-send check of an EVM address: EIP-55 checksum verification (catches typos, dropped characters, clipboard malware) + a note that a passing checksum is a spell-check, not payee verification. Run this before paying for check_address.",
      "inputSchema": {
        "properties": {
          "address": {
            "description": "EVM address, 0x + 40 hex characters (any casing)",
            "type": "string"
          }
        },
        "required": [
          "address"
        ],
        "type": "object"
      },
      "name": "validate_address",
      "outputSchema": null
    }
  ]
}

Verify it yourself

curl -s https://api.teppi.xyz/v1/evidence/sha256:9e675b2ce02968e1a71739e9cd3cae43261687903c2294247f394d2c68991a81 | sha256sum