How to Use the Nmap Online MCP in Claude Code

Q: How do I add the Nmap Online server to Claude Code?

Run the command claude mcp add --transport http nmap-online -- in your terminal. Make sure all flags come before the server name. You can verify it works by running claude mcp list.

Q: Does the Nmap Online integration in Claude Code support reverse lookups?

Yes, you can ask Claude Code to run reversedns on any IP address to find its associated domain name directly from your command line.

Q: Where is the configuration file stored?

Claude Code stores its MCP configurations in the /.claude.json file. You can manually edit this file to manage your servers and transport settings.

Run network reconnaissance and port audits directly from your terminal using Claude Code.

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Create your Vinkius account to connect Nmap Online to Claude Code 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 Nmap Online with Claude Code

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Automate pipeline network checks from the CLI

Claude Code runs `ping_host` to verify that external APIs are reachable before running your test suites. It keeps your CI/CD pipelines reliable. If a connection fails, the agent pulls `get_http_headers` to log the exact failure state. This gives your DevOps team immediate debugging data right in the terminal logs.

Perform fast terminal-based asset discovery

Use this MCP Server to run `dns_lookup` directly from your command line. Claude Code grabs the records and formats them into clean terminal output. You can also find hidden assets using `list_subdomains` and check their locations with `geoip_lookup`. It is the fastest way to map a target domain without leaving your shell.

Run secure port audits inside Claude Code

Claude Code uses `nmap_scan` to scan target IPs for open ports, helping you verify firewall rules on the fly. It checks your network perimeter directly from your shell. To double-check that your server IPs map back to the correct hostnames, it runs `reverse_dns`. Everything executes through a secure, authenticated MCP endpoint, keeping your terminal toolchain fast and safe.

Setup guide

Set up Nmap Online MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see nmap-online-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest Nmap Online transactions." It will automatically discover and invoke the available Nmap Online tools.

Terminal

claude mcp add --transport http nmap-online-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the Nmap Online MCP

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

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "nmap-online-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

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Common questions about Nmap Online MCP in Claude Code

Run the command `claude mcp add --transport http nmap-online -- ` in your terminal. Make sure all flags come before the server name. You can verify it works by running `claude mcp list`.

Yes. Claude Code can be run headlessly, allowing you to use `nmap_scan` and `dns_lookup` inside your automated terminal scripts and cron jobs.

Yes, you can ask Claude Code to run `reverse_dns` on any IP address to find its associated domain name directly from your command line.

Claude Code stores its MCP configurations in the `~/.claude.json` file. You can manually edit this file to manage your servers and transport settings.

The server only processes the specific domains, IPs, and URLs you pass to MCP tools like `nmap_scan` and `whois_lookup`. Your scan targets and results are never stored or logged permanently by Vinkius.

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