How to integrate Virustotal MCP with Antigravity

How to integrate Virustotal MCP with Antigravity Antigravity IDE is Google's agentic IDE, built on a VS Code-style editor and powered by models like Gemini 3.5 Flash, Gemini 3.1 Pro, Opus 4.6, and more. It treats the AI agent as a first-class teammate, planning, coding, and validating work through an Agent Manager dashboard with deep browser connectivity. In this guide, I will explain the easiest and most secure way to connect your Virustotal account to Antigravity IDE via Composio Connect, so it can scan this file hash for malware, get analysis report for suspicious URL, retrieve domain reputation details, and more without ever putting your account credentials at risk.

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Virustotal is a malware analysis service that checks files and URLs against dozens of antivirus engines. It helps individuals and organizations quickly detect and investigate potential threats.

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How to integrate Virustotal MCP with Antigravity

Antigravity IDE is Google's agentic IDE, built on a VS Code-style editor and powered by models like Gemini 3.5 Flash, Gemini 3.1 Pro, Opus 4.6, and more. It treats the AI agent as a first-class teammate, planning, coding, and validating work through an Agent Manager dashboard with deep browser connectivity.

In this guide, I will explain the easiest and most secure way to connect your Virustotal account to Antigravity IDE via Composio Connect, so it can scan this file hash for malware, get analysis report for suspicious URL, retrieve domain reputation details, and more without ever putting your account credentials at risk.

Also integrate Virustotal with

ChatGPTOpenAI Agents SDKClaude Agent SDKClaude CodeClaude CoworkCodexOpenCodeCursorVS CodeOpenClawHermesCLIGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAI

Why use Composio?

Composio provides:

  • Access to 1,000+ managed apps from a single MCP endpoint. This makes it convenient for agents to run cross-app workflows.
  • Programmatic tool calling. Allows LLMs to write code in a remote workbench to handle complex tool chaining. Reduces to-and-fro with LLMs for frequent tool calling.
  • Large tool response handling outside the LLM context. This minimizes context bloat from large tool responses.
  • Dynamic just-in-time access to thousands of tools across hundreds of apps. Composio loads the tools your agent needs, so LLMs are not overwhelmed by tools they do not need.

Connect Virustotal to Antigravity

Antigravity does not ship with one-click custom MCP install links yet, so configuration goes through the IDE's raw config file. The process takes under a minute.

1. Open the MCP Config

Go to Antigravity Settings, open the Customizations tab, then click Open MCP Config to open mcp_config.json in the editor.

Antigravity Customizations settings with Open MCP Config button

2. Get your API key

Go to the Composio Dashboard and copy your API key.

Composio Dashboard showing where to get the API key

3. Add Composio to mcp_config.json

Paste the following configuration into the file:

bash
{
  "mcpServers": {
    "remote-composio": {
      "serverUrl": "https://connect.composio.dev/mcp",
      "headers": {
        "x-consumer-api-key": "your-composio-api-key"
      }
    }
  }
}

Note: Antigravity uses serverUrl, not url, for remote HTTP-based MCP servers. This differs from the url key used in Cursor and VS Code configs.

Save the file and click refresh in the Installed MCP Servers section.

Antigravity showing Composio tools after MCP setup

Connect your Virustotal account

Back in the Antigravity agent panel, ask the agent to connect to Virustotal or give it any Virustotal-related task.

For example, ask it to:

  • "Scan this file hash for malware"
  • "Get analysis report for suspicious URL"
  • "Retrieve domain reputation details"

It will prompt you to authenticate and authorize access to Virustotal.

That is it. Composio tools are now available in Antigravity, and your Virustotal account is ready to use.

Conclusion

You have successfully connected Virustotal to Antigravity using Composio Connect. Your agent can now use Virustotal securely without exposing credentials in prompts or local scripts.

TOOLS

Supported Tools

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

Add VirusTotal Comment

Tool to add a comment to a VirusTotal resource (file, URL, domain, or IP address).

Add Vote

Tool to add a vote (harmless/malicious) to a VirusTotal resource.

Get Analysis Report

Tool to retrieve the analysis report of a file or URL submission.

Get comments

Tool to retrieve the latest comments on a VirusTotal resource.

Get Domain Relationships

Tool to retrieve relationship objects for a given domain.

Get Domain Report

Tool to retrieve the analysis report of a domain.

Get File Report

Tool to retrieve the analysis report of a file.

Get IP Address Relationships

Tool to retrieve objects related to a specific IP address by relationship type.

Get IP Address Report

Tool to retrieve the analysis report of an IP address.

Get VirusTotal Metadata

Tool to retrieve VirusTotal metadata.

Get URL Report

Tool to retrieve the analysis report of a URL.

Get Votes

Tool to retrieve votes on files, URLs, domains, or IP addresses.

Rescan File

Tool to re-analyze a previously submitted file.

Scan URL

Tool to submit a URL for scanning.

Search VirusTotal

Tool to search for objects in the VirusTotal database.

Upload File

Tool to upload a file for scanning.

FRAMEWORKS

How to build Virustotal MCP Agent with another framework

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ChatGPT

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Claude Code logo

Claude Code

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Claude Cowork logo

Claude Cowork

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Codex logo

Codex

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Cursor logo

Cursor

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VS Code logo

VS Code

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OpenCode logo

OpenCode

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OpenClaw logo

OpenClaw

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Hermes logo

Hermes

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CLI logo

CLI

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Google ADK logo

Google ADK

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LangChain logo

LangChain

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Vercel AI SDK logo

Vercel AI SDK

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Mastra AI logo

Mastra AI

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LlamaIndex logo

LlamaIndex

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CrewAI logo

CrewAI

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FAQ

Frequently asked questions

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

Yes, you can. Antigravity 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 Virustotal tools.

Yes, absolutely. You can configure which Virustotal 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 Virustotal data and credentials are handled as safely as possible.

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Karan skipped his own birthday party to fix our critical issue. It was 10pm and he diverted his Waymo to help us instead. This really sets the bar — it shows the commitment you need when users rely on your software.

Harsha Gaddipati
Harsha Gaddipati
Co-founder, Slashy

A lot of students tell us that the moment their connected tools start talking to each other inside Opennote feels almost magical. The agent just knows them, and it's immensely helped keep new users on the platform.

Abhi Arya
Abhi Arya
Co-founder, Opennote

We chose Composio over Pipedream because it delivered depth where it mattered — niche tools and tricky edge cases other platforms simply ignored. That gave us confidence to scale without compromising.

Nirman Dave
Nirman Dave
CEO, Zams

As a solo builder, shipping fast is life or death. The only way I can outcompete incumbents is by outmanoeuvring them. Getting bogged down managing agent auth would have been a death sentence.

Ryan Yu
Ryan Yu
Founder, Extra Thursday

Before Composio, adding tool integrations was slow and resource-intensive. Each one could take weeks of engineering time, and maintaining them meant constantly keeping up with API changes.

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Tomisin Jenrola
Founder & CEO, SwarmZero

With hands-on help from their founder, we integrated Gmail and Google Drive in just 30 minutes. This level of personal support and commitment is exactly what startups should strive for.

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Jerome Leclanche
Co-Founder, Ingram Technologies