HeaderGuard

by headerguard.mike-tusa.workers.dev · dev.workers.mike-tusa.headerguard/headerguard

Scan a website's HTTP security headers (HSTS, CSP, framing, COOP/CORP, cookies). Score + fixes.

OnlineRemote
Category
Search and web data
Connection
Remote (HTTP)
Tools
1 reported
Status
Online

Connect it to your AI

Claude Code

claude mcp add --transport http headerguard https://headerguard.mike-tusa.workers.dev/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://headerguard.mike-tusa.workers.dev/mcp

This server expects extra headers, usually an API key from its maker.

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "headerguard": {
      "url": "https://headerguard.mike-tusa.workers.dev/mcp"
    }
  }
}

Tools it offers

1 tool, as the server itself reported during our check on Oct 31, 2026.

  • scan_headersScan the HTTP security headers of a public website. Returns a 0–100 score and A+–F grade (HTTPS 10, HSTS 15, CSP 25, framing 10, X-Content-Type-Options 10, Referrer-Policy 10, Permissions-Policy 5, COOP 5, CORP 5, cookie

Questions

What is the HeaderGuard MCP server?

Scan a website's HTTP security headers (HSTS, CSP, framing, COOP/CORP, cookies). Score + fixes. It is made by headerguard.mike-tusa.workers.dev and listed in the official MCP Registry as dev.workers.mike-tusa.headerguard/headerguard. MCP (Model Context Protocol) is the open standard that lets AI apps like Claude, ChatGPT and Cursor use outside tools.

How do I add HeaderGuard to Claude?

In the Claude app or claude.ai, open Settings, then Connectors, choose "Add custom connector" and paste https://headerguard.mike-tusa.workers.dev/mcp. In Claude Code, run: claude mcp add --transport http headerguard https://headerguard.mike-tusa.workers.dev/mcp

How do I add HeaderGuard to ChatGPT?

ChatGPT can use remote MCP servers as connectors. In ChatGPT settings, under Apps and Connectors, turn on developer mode if asked, create a new connector and paste https://headerguard.mike-tusa.workers.dev/mcp.

How do I add HeaderGuard to Cursor?

Open Cursor settings, go to MCP, choose "Add new MCP server" (or edit ~/.cursor/mcp.json) and add: { "mcpServers": { "headerguard": { "url": "https://headerguard.mike-tusa.workers.dev/mcp" } } }

Does HeaderGuard work right now?

Yes. It responded when we last checked on 31 Oct 2026. We check remote MCP servers every day.

What can HeaderGuard do?

It gives your AI 1 tool, including scan_headers. The full list is on this page.

Is this your server? Get the badge for your README
chen.media/mcp badge

Markdown (GitHub README)

[![Listed on chen.media/mcp](https://chen.media/mcp/badge/dev-workers-mike-tusa-headerguard-headerguard.svg)](https://chen.media/mcp/dev-workers-mike-tusa-headerguard-headerguard)

HTML (switches to dark mode on its own)

<a href="https://chen.media/mcp/dev-workers-mike-tusa-headerguard-headerguard"><picture><source media="(prefers-color-scheme: dark)" srcset="https://chen.media/mcp/badge/dev-workers-mike-tusa-headerguard-headerguard.svg?theme=dark"><img src="https://chen.media/mcp/badge/dev-workers-mike-tusa-headerguard-headerguard.svg" alt="Listed on chen.media/mcp" height="40"></picture></a>

More in Search and web data

See all