web-network-tools

MCP server providing web tools: DNS lookup, WHOIS, SSL checker, HTTP status checker.

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What it can do

  • Tech Detect: Detect technologies used by a website. Given a URL, identify CMS, frameworks, analytics tools, CDN, hosting provider, payment processors, and more. Uses only HTTP headers and HTML parsing
  • Security Headers: Check security HTTP headers for a URL. Returns a security score, which headers are present (HSTS, CSP, X-Frame-Options, etc.) and which are missing. Essential for website security au
  • Email Security: Check email security configuration for a domain. Returns SPF, DKIM, and DMARC record status. Essential for verifying deliverability and preventing email spoofing.

What data it sees

Do you need an account

No: the server works without sign-in

MCP server providing web tools: DNS lookup, WHOIS, SSL checker, HTTP status checker. Uses only public APIs — no credentials needed.

How to connect

How to connect web-network-tools to Claude

The server address to paste into Claude settings:

https://web-network-tools--erikirby.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect web-network-tools to ChatGPT

The server address to paste into ChatGPT settings:

https://web-network-tools--erikirby.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect web-network-tools to Cursor

The server address to paste into Cursor settings:

https://web-network-tools--erikirby.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (4)

Raw names from tools/list. Only developers need these.

tech_detectDetect technologies used by a website. Given a URL, identify CMS, frameworks, analytics tools, CDN, hosting provider, payment processors, and more. Uses only HTTP headers and HTML parsing — no scraping or third-party APIs.
security_headersCheck security HTTP headers for a URL. Returns a security score, which headers are present (HSTS, CSP, X-Frame-Options, etc.) and which are missing. Essential for website security auditing.
email_securityCheck email security configuration for a domain. Returns SPF, DKIM, and DMARC record status. Essential for verifying deliverability and preventing email spoofing.
website_analyzeComprehensive website analysis. Given any URL, returns tech stack, hosting provider, security posture, SSL status, email security config, SEO metadata, social media profiles, WHOIS domain info, and DNS records. All from standard HTTP/DNS/WHOIS protocols — no scraping.