Validate, compute check digits, and complete numbers using the Luhn algorithm via @mukundakatta/luhn-mcp

{
  "server": "@mukundakatta/luhn-mcp",
  "version": "0.1.0",
  "transport": "stdio",
  "entry": "dist/server.js",
  "tools": ["verify", "checksum", "complete"],
  "calls": [
    {
      "tool": "verify",
      "args": {
        "input": "4111111111111111"
      },
      "result": {
        "valid": true
      },
      "ms": 1,
      "note": "Visa test card"
    },
    {
      "tool": "verify",
      "args": {
        "input": "5500000000000004"
      },
      "result": {
        "valid": true
      },
      "ms": 0,
      "note": "Mastercard"
    },
    {
      "tool": "verify",
      "args": {
        "input": "4111111111111112"
      },
      "result": {
        "valid": false
      },
      "ms": 1,
      "note": "wrong check digit"
    },
    {
      "tool": "verify",
      "args": {
        "input": "4111 1111 1111 1111"
      },
      "result": {
        "valid": true
      },
      "ms": 0,
      "note": "spaces stripped"
    },
    {
      "tool": "verify",
      "args": {
        "input": "4111-1111-1111-1111"
      },
      "result": {
        "valid": true
      },
      "ms": 0,
      "note": "dashes stripped"
    },
    {
      "tool": "verify",
      "args": {
        "input": "490154203237518"
      },
      "result": {
        "valid": true
      },
      "ms": 1,
      "note": "IMEI"
    },
    {
      "tool": "verify",
      "args": {
        "input": "046454286"
      },
      "result": {
        "valid": true
      },
      "ms": 0,
      "note": "Canadian SIN"
    },
    {
      "tool": "verify",
      "args": {
        "input": "0"
      },
      "result": {
        "valid": false
      },
      "ms": 0,
      "note": "single digit insufficient"
    },
    {
      "tool": "verify",
      "args": {
        "input": "0000000000000000"
      },
      "result": {
        "valid": true
      },
      "ms": 0,
      "note": "all-zeros valid"
    },
    {
      "tool": "verify",
      "args": {
        "input": "4111 1111-1111 1111"
      },
      "result": {
        "valid": true
      },
      "ms": 0,
      "note": "mixed separators"
    },
    {
      "tool": "checksum",
      "args": {
        "input": "411111111111111"
      },
      "result": {
        "check_digit": 1
      },
      "ms": 0
    },
    {
      "tool": "checksum",
      "args": {
        "input": "7992739871"
      },
      "result": {
        "check_digit": 3
      },
      "ms": 0,
      "note": "Wikipedia example"
    },
    {
      "tool": "complete",
      "args": {
        "input": "411111111111111"
      },
      "result": {
        "complete": "4111111111111111"
      },
      "ms": 0
    },
    {
      "tool": "complete",
      "args": {
        "input": "7992739871"
      },
      "result": {
        "complete": "79927398713"
      },
      "ms": 0
    },
    {
      "tool": "complete",
      "args": {
        "input": "123456789012345"
      },
      "result": {
        "complete": "1234567890123452"
      },
      "ms": 0
    },
    {
      "tool": "verify",
      "args": {
        "input": "1234567890123452"
      },
      "result": {
        "valid": true
      },
      "ms": 0,
      "note": "round-trip verified"
    },
    {
      "tool": "verify",
      "args": {
        "input": ""
      },
      "result": "luhn failed: input must be digits (spaces and dashes allowed)",
      "ms": 0
    },
    {
      "tool": "verify",
      "args": {
        "input": "ABCDEF"
      },
      "result": "luhn failed: input must be digits (spaces and dashes allowed)",
      "ms": 1
    }
  ],
  "p50_ms": 0,
  "success_rate": "100% (17 JSON OK + 3 graceful text rejections)"
}