HeaderGuard

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

Connector by headerguard.mike-tusa.workers.dev · Domain verified by the MCP Registry

IndexedLicense unknownRemote (HTTP)

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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/headerguard-mike-tusa-workers-dev-headerguard

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

https://headerguard.mike-tusa.workers.dev/mcp Remote (HTTP)

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About

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

Reviews

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No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools: 1 read · 0 write · 0 deleteRead-only
Secrets: 1 (API keys, tokens or passwords)
Install scripts: Nothing to install (hosted)
Runs as: Hosted (remote endpoint)

Tools by what they do 1

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 1 · Look things up without changing anything.

scan_headers

Secrets and settings it asks for

Secrets: values you paste in that let it act as you.

Authorization

Network hosts it talks to 1

headerguard.mike-tusa.workers.dev · found in remote endpoint, install command

Tools (1)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

scan_headersScan a website's HTTP security headers (HSTS, CSP, framing, COOP/CORP/COEP, cookies)read-only
Scan 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, cookies 5, minus up to 5 for version-leak headers; without HTTPS the score is capped at 39), each header's status and notes, recommended fix headers, and a link to the full report with copy-paste snippets for nginx, Apache, Cloudflare, Netlify, Vercel and Express. Read-only: it sends ordinary GET requests to the site (following up to 10 redirects, each safety-checked) and never reads…

Signals

Last release: Oct 9, 2026 (22 days ago)

Details

Registry name: dev.workers.mike-tusa.headerguard/headerguard
Version: 0.4.0
Auth: Bearer token
License: License unknown
Website: headerguard.mike-tusa.workers.dev/
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Official MCP Registry

Rank

of 44,833 in Connectors

Score

0.567

Security 30%not yet
Popularity 25%0.30
Freshness 20%1.00
Rating 15%not yet
Docs 10%0.67

How ranking works →

Grades

Freshness

Active in the last 30 days. Last activity 22 days ago.

–

Security

Security scan: in progress. Grades from our dependency, secret, code and prompt-injection checks appear here once they launch. Until then, check the code before you install.

Indexed

Found automatically from a public source. Not yet claimed by its publisher.

How grades work →

Availability

100% uptime, last 30 days (1 check)

Last check: 6 days ago
Status: Up
Median response: 577 ms

Up
Up, auth required
Down
Not checked
No data

A daily MCP handshake with the remote endpoint. “Auth required” means it answered and wants a login or key. “Not checked” means the URL needs your own account or blocks automated checks.

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Cite this page

HeaderGuard MCP server. Agent Mart. https://agentmart.dev/connectors/headerguard-mike-tusa-workers-dev-headerguard (last updated 2026-10-24)