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Namecheap API — domains, DNS, contacts, registrar lock, SSL listing, and pricing.
Namecheap API — domains, DNS, contacts, registrar lock, SSL listing, and pricing.
This is a well-designed MCP server for the Namecheap API with strong security practices around credential handling and permission scoping. Credentials are properly stored in environment variables only, the codebase is clean and well-documented, and the server deliberately excludes irreversible or payment-related operations. Minor code quality improvements around error handling specificity would strengthen the implementation further. Supply chain analysis found 8 known vulnerabilities in dependencies (1 critical, 4 high severity). Package verification found 1 issue.
5 files analyzed · 13 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
This plugin requests these system permissions. Most are normal for its category.
Set these up before or after installing:
Environment variable: NAMECHEAP_API_USER
Environment variable: NAMECHEAP_API_KEY
Environment variable: NAMECHEAP_CLIENT_IP
Environment variable: NAMECHEAP_USERNAME
Environment variable: NAMECHEAP_ENVIRONMENT
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-lanternrow-namecheap-api-mcp": {
"env": {
"NAMECHEAP_API_KEY": "your-namecheap-api-key-here",
"NAMECHEAP_API_USER": "your-namecheap-api-user-here",
"NAMECHEAP_USERNAME": "your-namecheap-username-here",
"NAMECHEAP_CLIENT_IP": "your-namecheap-client-ip-here",
"NAMECHEAP_ENVIRONMENT": "your-namecheap-environment-here"
},
"args": [
"-y",
"namecheap-api-mcp"
],
"command": "npx"
}
}
}From the project's GitHub README.
MCP server for the Namecheap API — manage domains, DNS, contacts, registrar locks, and view SSL certificates and pricing, straight from your AI assistant.
Built for Claude Code and any MCP-compatible AI tool.
Part of The SEO Engine toolkit by Lantern Row — AI-powered SEO and social media tooling for agencies and businesses.
This server ships read + safe-write tools only. It can read your account and change DNS / nameserver / forwarding / lock configuration (all reversible), but it deliberately excludes anything that spends money or is irreversible: no domain registration, renewal, reactivation, transfers, SSL purchase/activation, add-funds, or account/address mutation. You can fork and add those if you need them.
1011150).{
"mcpServers": {
"namecheap": {
"command": "npx",
"args": ["-y", "namecheap-api-mcp"],
"env": {
"NAMECHEAP_API_USER": "your_username",
"NAMECHEAP_API_KEY": "your_api_key",
"NAMECHEAP_CLIENT_IP": "your.whitelisted.ip.v4"
}
}
}
}
git clone https://github.com/lanternrow/namecheap-api-mcp.git
cd namecheap-api-mcp
npm install
npm run build
Then point your client at node /path/to/namecheap-api-mcp/dist/index.js. For local credentials you can keep a gitignored .env (copy .env.example) and launch with Node's native flag: node --env-file=.env dist/index.js.
| Variable | Required | Description |
|---|---|---|
NAMECHEAP_API_USER | Yes | Your Namecheap account username (API user). |
NAMECHEAP_API_KEY | Yes | API key from Profile → Tools → API Access. Secret. |
NAMECHEAP_CLIENT_IP | Yes | The whitelisted public IPv4 of this machine. |
NAMECHEAP_USERNAME | No | Defaults to NAMECHEAP_API_USER; differs only for reseller sub-users. |
NAMECHEAP_ENVIRONMENT | No | production (default) or sandbox. |
| Tool | Description |
|---|---|
check_connection | Verify credentials + IP whitelist; returns the account balance summary. |
list_domains | List domains with expiry, lock, auto-renew, and WhoisGuard status (paged/searchable). |
get_domain_info | Detailed info for one domain. |
check_domains | Check availability + premium pricing (up to 50 at once). |
get_domain_contacts | Registrant / Tech / Admin / AuxBilling contacts. |
get_registrar_lock | Registrar lock status. |
get_dns_hosts | All DNS host records for a domain. |
get_nameservers | Nameservers and whether Namecheap DNS is in use. |
get_email_forwarding | Email forwarding rules. |
get_pricing | Namecheap pricing for a product type (cache the results). |
list_ssl_certificates | SSL certificates with type, host, status, expiry. |
| Tool | Description |
|---|---|
set_dns_hosts | Replace all host records (destructive: omitted records are deleted — send the full set). |
set_default_dns | Switch a domain to Namecheap's default nameservers. |
set_custom_nameservers | Point a domain at custom nameservers. |
set_email_forwarding | Set email forwarding rules. |
set_registrar_lock | Lock / unlock a domain at the registrar. |
set_dns_hosts is destructive by API design. Namecheap's setHosts deletes every record not included in the call. Always read current records first (get_dns_hosts), merge your change, then send the complete set.Status="ERROR"), not the HTTP status. This server parses that and throws a real error with the Namecheap error number + message.MIT © Lantern Row
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