DomainRoc MCP Server — AI Domain Availability & USDT Price Lookup

简体中文 · Security · DomainRoc AI Agent Preview

Experimental · Read-only · No automated purchases

An open-source Model Context Protocol (MCP) server that lets AI assistants check domain name availability and available USDT registration quotes using DomainRoc's existing public domain search API. No account credentials, registrar keys, checkout automation, or changes to DomainRoc's production code.

AI-ready domain search, not AI-controlled domain purchases. When others are debating whether to block AI agents, DomainRoc is experimenting with a bounded way to work with them.

What it does

• Uses the same public search route as the website: GET https://www.domainroc.com/api/public/domains/check?domain=....

• Availability is available, unavailable, or unknown. Blocked, restricted, manual-review, failed, and ambiguous results must not be misrepresented as available.

• price_usdt is a preview, not a binding checkout price. Recheck it at checkout.

• The purchase_url points to DomainRoc's domain search page, not a pre-filled order or payment session. Users manually search and buy on the official site.

Related MCP server: Domain Checker MCP Server

Quick start — local stdio

Python 3.11+:

git clone https://github.com/sinianchu9/domainroc-mcp-server.git
cd domainroc-mcp-server
python -m pip install -e .
domainroc-mcp

The process communicates over MCP stdio. It does not open a public port, and it normally prints nothing until an MCP client connects.

Connect from an MCP-compatible AI client

Example client configuration (field names vary by client):

{
  "mcpServers": {
    "domainroc": {
      "command": "domainroc-mcp",
      "args": []
    }
  }
}

Restart your MCP client, then ask:

Check whether example.com is available through DomainRoc. If the quote is unavailable, say so; do not invent a price.

The example domain is illustrative, not a claim about live inventory. The client must support local stdio MCP servers; publishing this repository does not automatically make the tool discoverable in every AI app.

One-command real MCP demo

The repository includes an independent official MCP Python SDK client. Once installed, it launches the stdio server, discovers check_domain, calls the live read-only search endpoint, prints the JSON result, and shuts down cleanly.

python examples/demo_stdio.py --domain example.com

Verified 2026-10-11 (UTC): the protocol demo returned unavailable for example.com, available with a time-specific USDT reference quote for a test domain, and unknown for an invalid URL. See actual timestamped responses. These are historical observations, not a live inventory claim. This verifies MCP stdio interoperability with the official SDK, not AI-client-native compatibility.

DomainRoc AI Agent Preview: https://www.domainroc.com/en/ai-agent-domain-search

Industry perspective: https://www.domainroc.com/en/blog/block-ai-or-build-with-it-domainroc

Example response shape

{
  "domain": "sample-project.com",
  "status": "unknown",
  "available": null,
  "price_usdt": null,
  "currency": "USDT",
  "purchase_url": "https://www.domainroc.com/en/domains",
  "checked_at": "2026-10-11T00:00:00+00:00",
  "cached": false,
  "reason": "upstream_unavailable",
  "note": "No confirmed availability or price. Search and checkout on the official website."
}

This is a synthetic error-format example, not a live search result.

Guardrails / safety

• Only one tool; no domain registration, ordering, USDT transfer, wallet action, DNS modification, or user session access.

• Input must be a valid ASCII domain name (internationalized names can be supplied in their xn--/IDNA form); no arbitrary URLs.

• Fixed HTTPS host and endpoint; redirects and environment proxy inheritance disabled.

• Built-in per-process budget: max 5 outbound checks/minute, 200 checks/rolling 24h, at most 2 in-flight requests, and 45-second confirmed-result cache.

• 8-second network timeout; failures become unknown, never available.

• Local stdio only in this preview. The built-in budget is not a distributed abuse-prevention solution. Do not expose this server directly to the Internet without a separate authenticated gateway, shared quotas, logging, and security review.

See SECURITY.md.

Development and tests

python -m pip install -e ".[dev]"
pytest -q

Tests use HTTP mocks and never submit real registrations or payments.

Why this exists

Block AI or build with it? DomainRoc's experimental answer is to allow narrowly scoped, verifiable, user-initiated AI-assisted domain search. Responsible access controls and opposition to abusive scraping are fully compatible with useful AI agents.

English search topics: domain MCP server, AI domain availability checker, domain registration API, domain price lookup, domain search for AI agents, USDT domain registration.

中文关键词: 域名查询 MCP、AI 域名查询、域名注册 API、USDT 购买域名、AI Agent 域名接口。

This is a technical demonstration, not a claim that DomainRoc offers autonomous AI domain purchasing.

Links

• DomainRoc — domain search and USDT checkout

• DomainRoc 中文域名查询

• 简体中文说明

• Repository SEO & release checklist

License

MIT. No affiliation with the Model Context Protocol maintainers is implied.