How to Use the HTML XSS Sanitizer MCP in Claude

Clean user markup directly inside Claude Desktop using a secure, local MCP Server.

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Connect HTML XSS Sanitizer MCP to Claude Desktop

Create your Vinkius account to connect HTML XSS Sanitizer to Claude Desktop and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup HTML XSS Sanitizer with Claude Desktop

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Clean raw HTML inside Claude Desktop

The `sanitizeHtml_html` tool strips malicious scripts and dangerous tags from dirty HTML before you save it to your database. Your agent runs this cleanup locally within the secure Vinkius sandbox. This means malicious payloads never touch your production environment. You don't have to write custom regex patterns that hackers can easily bypass. Just feed the raw input to Claude, let it call the tool, and get clean markup back instantly. It handles nested tags and event handlers without breaking the layout.

Secure your user-generated content feeds

The `sanitizeHtml_html` tool strips out hidden XSS vectors from rich-text editor outputs. Your AI client inspects the incoming blocks of code directly in your chat interface. It catches hidden iframe injections and bad inline styles before they cause damage. This server runs on Vinkius V8 isolates, meaning execution takes less than 2 milliseconds per payload. You get immediate feedback right inside your workspace without setting up a heavy local testing environment.

Run HTML security checks using this MCP Server

The `sanitizeHtml_html` tool acts as an automated gatekeeper for legacy database records. You can ask Claude to scan old text columns, identify payload risks, and sanitize them in bulk. It replaces manual inspection with a reliable, automated check. Connecting this to your desktop app takes under two minutes via the standard config file. Once configured, your local agent invokes the sanitization tool whenever you paste suspicious code blocks into the prompt.

Setup guide

Set up HTML XSS Sanitizer MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The HTML XSS Sanitizer MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the HTML XSS Sanitizer MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under html-xss-sanitizer-mcp.

json

{
  "mcpServers": {
    "html-xss-sanitizer-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Sanitize HTML. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about HTML XSS Sanitizer MCP in Claude Desktop

Open your Claude Desktop configuration file and add the server configuration under the mcpServers key. Once you save the file and restart the app, the tool becomes available in your chat input. You can verify it works by clicking the hammer icon.

No, it does not. The MCP server runs within a secure, zero-trust V8 sandbox on Vinkius. Your HTML payloads are processed instantly and ephemerally without ever being stored or sent to external APIs.

Yes, it strips out nested SVG and MathML vectors that standard regex parsers miss. The tool parses the entire DOM tree to remove hazardous elements while keeping safe formatting intact.

It acts as a pre-save filter by removing execution vectors like onload or onerror attributes. By sanitizing the markup before it reaches your SQL or NoSQL database, you eliminate the risk of stored cross-site scripting.

This server only processes raw HTML string payloads. Security is handled via an ephemeral V8 isolate wrapper, ensuring your code strings are destroyed immediately after sanitization completes.

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