# hosting_createWebsiteSubdomainV1

Create a new subdomain for the selected website. Provide a subdomain prefix and, optionally, a custom directory or the website public directory to use as the subdomain root.

Agent View of the PolicyLayer registry record for `hosting_createWebsiteSubdomainV1`. HTML page: https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-createwebsitesubdomainv1

## Facts

- Tool: `hosting_createWebsiteSubdomainV1`
- Server: Hostinger Api (`hostinger-api-mcp`) — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp.md
- Install: `npx -y hostinger-api-mcp`
- Homepage: https://github.com/hostinger/api-mcp-server
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 5 (3 required)
- Recommended policy verdict: Rate-limited

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `domain` | string | yes | Domain name |
| `username` | string | yes | username parameter |
| `directory` | string | no | Directory name for the subdomain relative to the website root |
| `subdomain` | string | yes | Subdomain prefix to create under the selected website |
| `is_using_public_directory` | boolean | no | Use the website public directory as the subdomain root directory |

Parameters from the server's own tool schema.

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "hosting_createWebsiteSubdomainV1",
    "arguments": {
      "domain": "<domain>",
      "username": "<username>",
      "subdomain": "<subdomain>"
    }
  }
}
```

## Why hosting_createWebsiteSubdomainV1 is rated Medium

This tool creates a new subdomain, which is a reversible configuration change that adds a new resource to the hosting account. It does not delete data (not Destructive), does not involve financial transactions (not Financial), and does not execute arbitrary code or system commands (not Execute). It is clearly a Write operation as it creates new infrastructure/configuration.

From the tool's own definition: "Tool name contains 'create' and description states 'Create a new subdomain for the selected website.' This is a content/configuration creation operation that modifies the website's subdomain structure."

Risk signals: Accepts file system path (directory) · Admin/system-level operation

## Use case

AI agents use hosting_createWebsiteSubdomainV1 to create or update resources in Hostinger Api, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Hostinger Api environment.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Hostinger Api:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "hosting_createWebsiteSubdomainV1": {
      "limits": [
        {
          "counter": "hosting_createwebsitesubdomainv1_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on Hostinger Api (257)

- `agency-hosting_clearAgencyPlanWebsiteCacheV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agency-hosting-clearagencyplanwebsitecachev1.md
- `agency-hosting_deleteAgencyPlanWebsiteCronJobV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agency-hosting-deleteagencyplanwebsitecronjobv1.md
- `agency-hosting_deleteAgencyPlanWebsiteDatabaseUserV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agency-hosting-deleteagencyplanwebsitedatabaseuserv1.md
- `agency-hosting_deleteAgencyPlanWebsiteDatabaseV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agency-hosting-deleteagencyplanwebsitedatabasev1.md
- `agency-hosting_deleteAgencyPlanWebsiteV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agency-hosting-deleteagencyplanwebsitev1.md
- `agencyHosting_deployNodeStaticWebsite` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agencyhosting-deploynodestaticwebsite.md
- `agencyHosting_deployPhpApplication` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agencyhosting-deployphpapplication.md
- `billing_deletePaymentMethodV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/billing-deletepaymentmethodv1.md
- `DNS_deleteDNSRecordsV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/dns-deletednsrecordsv1.md
- `DNS_resetDNSRecordsV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/dns-resetdnsrecordsv1.md
- `domains_deleteDomainForwardingV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/domains-deletedomainforwardingv1.md
- `domains_deleteWHOISProfileV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/domains-deletewhoisprofilev1.md
- `ecommerce_deleteStoreV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/ecommerce-deletestorev1.md
- `hosting_clearWebsiteCacheV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-clearwebsitecachev1.md
- `hosting_deleteAccountCronJobV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deleteaccountcronjobv1.md
- `hosting_deleteAccountDatabaseRemoteConnectionV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deleteaccountdatabaseremoteconnectionv1.md
- `hosting_deleteAccountDatabaseV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deleteaccountdatabasev1.md
- `hosting_deleteWebsiteParkedDomainV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deletewebsiteparkeddomainv1.md
- `hosting_deleteWebsiteSubdomainV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deletewebsitesubdomainv1.md
- `hosting_deleteWebsiteV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deletewebsitev1.md
- `hosting_deleteWordPressInstallationV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deletewordpressinstallationv1.md
- `hosting_uninstallWordPressPluginsV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-uninstallwordpresspluginsv1.md
- `hosting_uninstallWordPressThemesV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-uninstallwordpressthemesv1.md
- `mail_deleteMailboxV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/mail-deletemailboxv1.md
- `mail_deleteWebhookV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/mail-deletewebhookv1.md
- `mail_revokeAPITokenV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/mail-revokeapitokenv1.md
- `reach_deleteAContactV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/reach-deleteacontactv1.md
- `VPS_deleteFirewallRuleV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/vps-deletefirewallrulev1.md
- `VPS_deleteFirewallV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/vps-deletefirewallv1.md
- `VPS_deletePostInstallScriptV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/vps-deletepostinstallscriptv1.md
- …and 227 more: https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-github-hostinger-hostinger-api-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-hostinger-hostinger-api-mcp