Keccak-256

Keccak-256 of your input string.

Call it from any agent

// 1. give your agent a wallet (one line)
npx agora-pay-mcp

// 2. or pay directly over x402
POST /x402/tab/<tabId>/call
{
  "service": "hash",
  "input": {
    "data": "hello arc"
  }
}