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Custom Domain API

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Register a SaaS app's customer hostnames, show their DNS records and checks, recheck or delete them.

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

PYPI package custom-domain-mcp
Claude Code 
claude mcp add custom-domain-api -e 'CUSTOM_DOMAIN_API_URL=<CUSTOM_DOMAIN_API_URL>' -e 'CUSTOM_DOMAIN_API_KEY=<your custom_domain_api_key>' -- uvx custom-domain-mcp==0.13.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "custom-domain-api": {
            "command": "uvx",
            "args": [
                "custom-domain-mcp==0.13.0"
            ],
            "env": {
                "CUSTOM_DOMAIN_API_URL": "<CUSTOM_DOMAIN_API_URL>",
                "CUSTOM_DOMAIN_API_KEY": "<your custom_domain_api_key>"
            }
        }
    }
}

Environment variables

  • CUSTOM_DOMAIN_API_URL required Your edge, such as https://edge.example.net (https only)
  • CUSTOM_DOMAIN_API_KEY required secret An application API key (cd_...), never an operator token

Frequently asked questions

What is Custom Domain API?

Register a SaaS app's customer hostnames, show their DNS records and checks, recheck or delete them.

How do I install Custom Domain API?

It runs on your machine. In Claude Code: claude mcp add custom-domain-api -e 'CUSTOM_DOMAIN_API_URL=<CUSTOM_DOMAIN_API_URL>' -e 'CUSTOM_DOMAIN_API_KEY=<your custom_domain_api_key>' -- uvx custom-domain-mcp==0.13.0. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Custom Domain API need an API key?

Yes. It expects CUSTOM_DOMAIN_API_URL, CUSTOM_DOMAIN_API_KEY, which you set in its configuration.

Is Custom Domain API open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Custom Domain API?

It is published by sireto. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.