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How to connect Malwarebytes MCP to Claude

Connect Claude Web, Desktop and Cowork to Malwarebytes MCP. Check suspicious login link safety, verify sender domain before replying, and more using natural language, with authentication handled for you.

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Malwarebytes MCP exposes Malwarebytes threat intelligence for checking URLs, emails, phone numbers, and domains. It helps teams screen suspicious indicators fast without building security lookup workflows.

6 Tools

Introduction

Claude is Anthropic's AI assistant, available on the web, in the desktop app, and on mobile. Cowork is its agent for knowledge work, and it runs on all of those surfaces too. Connected to your apps, Claude can work with your files and services to accomplish complex tasks on your behalf.

This guide walks you through the easiest and most secure way to connect your Malwarebytes account to Claude via Composio Connect, enabling it to check suspicious login link safety, verify sender domain before replying, analyze phone number for threats, and more such actions on your behalf without compromising your account security.

Setup is the same on Claude Web, Desktop, and Cowork, and you only need to do it once. The connector is tied to your account, so it's available in all three.

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Connecting Malwarebytes to Claude Web, Desktop, and Cowork

Two ways to add the Composio connector. Pick whichever you prefer.

1. Add with one click

Click the button. Claude opens with the Composio connector filled in. Click Add, then go to step 2.

Add to Claude

Add manually

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

2. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Web, Desktop, and Cowork

3. Connect your Malwarebytes account

Back in Claude, ask it to connect to Malwarebytes or give it any Malwarebytes-related task.

For example, ask Claude to:

  • "Check suspicious login link safety"
  • "Verify sender domain before replying"
  • "Analyze phone number for threats"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Claude, and your Malwarebytes account is ready to use.

What is the Malwarebytes Claude Connector, and what's possible with it?

The Malwarebytes MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Malwarebytes account. It provides structured and secure access so your agent can perform Malwarebytes operations on your behalf.

Troubleshooting

1. Why does Claude not use the Composio connector for Malwarebytes?

The connector can show as connected, but Claude must use it in each Malwarebytes conversation.

  • Click + at the lower left of the chat, or type /.
  • Hover Connectors.
  • Turn on Composio.
  • Ask Claude to connect to Malwarebytes again.

2. Why does Claude show an MCP server error before Malwarebytes connects?

Claude can show Couldn't reach the MCP server or Authorization with the MCP server failed when you add the connector for Malwarebytes.

  • Check that the connector URL is https://connect.composio.dev/mcp.
  • Connectors run from Anthropic's cloud, so your device network is usually not the problem.
  • Add the connector again from Customize > Connectors, then ask Claude to connect Malwarebytes.
  • If it fails again, send the error and the ofid_ reference id to support@composio.dev.

3. Why does the Malwarebytes authorization link not work?

The Composio connector is one server. Your Malwarebytes account connects separately when Claude asks for it.

  • If the browser does not open, or the link expires, ask Claude to retry the Malwarebytes connection.
  • Composio creates a fresh Malwarebytes authorization link.
  • Open that link in your browser and finish the Malwarebytes sign-in.

4. Why do Malwarebytes actions fail after they worked before?

The Malwarebytes connection can expire or lose permission.

  • Ask Claude to inspect the Malwarebytes connection.
  • If the connection is unhealthy, disconnect it when Claude prompts you.
  • Reconnect the Malwarebytes account and retry the action.
  • If Claude shows a permission prompt, approve it before Claude changes data in Malwarebytes.
  • If the action still fails with a permission error, check that the connected account has that permission in Malwarebytes itself.

5. How do I switch to a different Malwarebytes account?

Claude can manage the Malwarebytes connection for you.

  • Ask Claude to disconnect or delete the current Malwarebytes account.
  • Ask Claude to connect Malwarebytes again.
  • Open the new Composio authorization link for Malwarebytes.
  • Sign in with the other Malwarebytes account in the browser.
  • After the account connects, ask Claude to retry the Malwarebytes task.

6. Why is my Malwarebytes connection missing in Claude Desktop or on a Team plan?

The connector belongs to your Claude account, so your Malwarebytes connection works in Claude Web, Desktop, and Cowork.

  • In Claude Desktop, open Customize > Connectors.
  • Next to Composio, click ⋮ and click Clear cache.
  • If Malwarebytes tools still do not appear, click ⋮, disconnect, remove the connector, and add it again.
  • On Team or Enterprise, an Owner or Primary Owner must enable the connector before you can connect Malwarebytes.
TOOLS

Supported Tools

Every Malwarebytes MCP action and event your agent gets out of the box.

Reputation-check email

Use this when you need to check if an email address is associated with phishing, scams, or malicious activity.

Reputation-check link

Use this when you need to check if a link or URL is safe, suspicious, or malicious.

Reputation-check phone

Use this when you need to check if a phone number is associated with scams or suspicious activity.

Reputation-report

Use this when a user wants to report a suspicious link, email address, or phone number.

Reputation-scan all

Use this when you need to check multiple links, emails, or phone numbers at once.

Reputation-whois

Use this when you need to look up domain registration information to verify legitimacy or identify suspicious patterns.

FRAMEWORKS

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ChatGPT

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Grok Bot

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FAQ

Frequently asked questions

With a standalone Malwarebytes MCP server, the agents and LLMs can only access a fixed set of Malwarebytes tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Malwarebytes and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Malwarebytes tools.

Yes, absolutely. You can configure which Malwarebytes scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Malwarebytes data and credentials are handled as safely as possible.

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