Parse and serialize HTTP headers (repeated headers, Set-Cookie arrays, CORS, CRLF/LF) via @mukundakatta/headers-mcp (npx)

{
  "server": "@mukundakatta/headers-mcp",
  "version": "0.1.0",
  "transport": "stdio",
  "calls": [
    {
      "tool": "parse",
      "args": {
        "text": "Content-Type: application/json
Authorization: Bearer abc123
Accept: text/html, application/json
X-Request-ID: req-42"
      },
      "result": {
        "headers": {
          "content-type": "application/json",
          "authorization": "Bearer abc123",
          "accept": "text/html, application/json",
          "x-request-id": "req-42"
        }
      },
      "ms": 2
    },
    {
      "tool": "parse",
      "args": {
        "text": "HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Set-Cookie: session=abc; Path=/; HttpOnly
Set-Cookie: theme=dark; Max-Age=3600
Cache-Control: no-cache
X-Frame-Options: DENY"
      },
      "result": {
        "headers": {
          "content-type": "text/html; charset=utf-8",
          "set-cookie": ["session=abc; Path=/; HttpOnly", "theme=dark; Max-Age=3600"],
          "cache-control": "no-cache",
          "x-frame-options": "DENY"
        }
      },
      "ms": 0
    },
    {
      "tool": "parse",
      "args": {
        "text": "Accept: text/html
Accept: application/json
Accept: text/plain
Vary: Accept-Encoding
Vary: Origin"
      },
      "result": {
        "headers": {
          "accept": ["text/html", "application/json", "text/plain"],
          "vary": ["Accept-Encoding", "Origin"]
        }
      },
      "ms": 1
    },
    {
      "tool": "stringify",
      "args": {
        "headers": {
          "content-type": "application/json",
          "x-api-key": "key-123",
          "accept": "text/html"
        }
      },
      "result": "content-type: application/json
x-api-key: key-123
accept: text/html",
      "ms": 0
    },
    {
      "tool": "stringify",
      "args": {
        "headers": {
          "set-cookie": ["session=abc; HttpOnly", "theme=dark; Max-Age=3600"],
          "content-type": "text/html",
          "cache-control": "no-store"
        }
      },
      "result": "set-cookie: session=abc; HttpOnly
set-cookie: theme=dark; Max-Age=3600
content-type: text/html
cache-control: no-store",
      "ms": 0
    },
    {
      "tool": "parse",
      "args": {
        "text": "Access-Control-Allow-Origin: https://example.com
..."
      },
      "result_preview": "CORS headers parsed correctly as string values",
      "ms": 1
    },
    {
      "tool": "parse",
      "args": {
        "text": "Content-Length: 256
ETag: "abc123"
Last-Modified: Thu, 26 Jun 2026 09:00:00 GMT"
      },
      "result": {
        "headers": {
          "content-length": "256",
          "etag": ""abc123"",
          "last-modified": "Thu, 26 Jun 2026 09:00:00 GMT"
        }
      },
      "ms": 0
    },
    {
      "tool": "parse",
      "args": {
        "text": "X-Solo: alone"
      },
      "result": {
        "headers": {
          "x-solo": "alone"
        }
      },
      "ms": 1
    },
    {
      "tool": "stringify",
      "args": {
        "headers": {}
      },
      "result": "",
      "ms": 0
    },
    {
      "tool": "parse",
      "args": {
        "text": "Content-Type: text/plain
X-Custom: value
Accept-Language: en-US"
      },
      "result": {
        "headers": {
          "content-type": "text/plain",
          "x-custom": "value",
          "accept-language": "en-US"
        }
      },
      "ms": 0
    }
  ],
  "success_rate": "10/10 (100%)",
  "p50_ms": 0.5,
  "max_ms": 2
}