Domain availability and quotes (demo)

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Domain Operator Kit Sell domains to AI agents. Bring your supplier. Keep control of your business.

Quickstart · Capabilities · Bring a supplier · Pilot plan · Operator guide (RU)

English · Русский

An agent can build and deploy an application. This kit lets it take the next step: obtain a signed price for a domain, register it to its real owner, manage DNS and connect it to a Vercel project.

Independent operators run their own seller nodes, use their own registrar accounts and set a fixed markup per registration or renewal. Agents use a shared capability contract and a budgeted MCP client.

Pre-live release. The local tests and Openprovider and Porkbun Sandbox pilots pass: registration, DNS, renewal, lost-response recovery and MCP reads. Production domain purchases, payment settlement and Vercel attachment remain unverified. The default demo buys nothing. Verification record →

What the buyer gets

One exact domain, registered for one year to the supplied registrant. The quote shows the supplier cost, fixed markup and final amount before payment. For example, a $10 supplier cost plus a $2 markup gives a 12 USDC order; these are illustrative amounts, not a registrar tariff.

DNS management and domain information are included. Renewal is a separate purchase at a newly quoted price. Registrar autorenew is disabled. Availability is not a reservation, and registrant email verification may still require action by the owner.

The built-in registrar scope is .com, .net and .org, ordinary ASCII names, one year. Premium names, IDNs, incoming transfers and expired-domain restoration are outside this release.

One product, three roles

flowchart LR

Agent["AI agent / MCP client"] -->|Discover| Hub["AIMarket Hub"] Hub -->|Public quotes only| Seller["Domain operator"] Agent -->|Private order + x402 payment| Seller Seller -->|Register and reconcile| Provider["Openprovider / Porkbun / HTTP supplier"] Agent -->|Owner-signed DNS| Seller Agent -->|Buyer-side connector| Vercel["Your Vercel project"]

The Hub handles discovery. Orders, registrant contacts, payment authorizations and DNS operations go directly to the seller. This implementation charges no Hub commission. The Vercel token stays with the buyer.

Try it locally

Use Node.js 22.13+; local verification used 22.22.1. From domain-kit/ in the monorepo, or from the root of a satellite checkout:

npm ci --ignore-scripts

npm run check npm test npm run demo

The demo runs a signed HTTP lifecycle: quote → simulated registration → DNS → renewal. No registrar account, wallet funding or external service is needed. Local HTTP tests require permission to listen on localhost.

For the simplest external API test, use the Porkbun Sandbox quickstart: automatic disposable credentials, virtual credit and a resumable end-to-end pilot. The Porkbun adapter is sandbox-only until a production pilot passes.

For the Openprovider Sandbox API integration test, follow the opt-in npm run sandbox:pilot instructions. The script retains its state and reuses the same orders on repeat runs.

For a persistent demo server:

cp .env.example .env

node --env-file=.env src/server.js

In another terminal:

DOMAIN_ALLOW_DEMO=1 node bin/domain-rails.mjs check http://127.0.0.1:9495

This checks the public quote protocol and signature; it does not certify the seller. The server persists encrypted documents and keys in data/. Do not discard that directory between deployments.

A public node: demo until your keys are in

DOMAIN_MODE=auto is for a node you publish before you sell. Without keys it is a public demo: availability is real (the registries' own RDAP for .com, .net, .org), quotes are signed and marked demo with illustrative prices, reads answer, and only register and renew are refused with 403 demo_mode. When every live setting is in (production registrar keys or an HTTP supplier, PAY_TO, CDP_KEY_FILE, DOMAIN_REFUND_KEY_FILE, HTTPS DOMAIN_PUBLIC_URL and DOMAIN_TERMS_URL, DOMAIN_UPSTREAM_COST_CONFIRMED=1), the next start sells live. Until then /healthz lists the setting names still missing (live_missing), never their values. Porkbun stays sandbox-only. modelmarket.dev runs such a node as its domain showcase: domains.modelmarket.dev, with the kit's landing at the root and the example desk — a storefront that searches names, shows the signed price and walks through the order. Both are static pages in docs/landing/ that call the node on their own origin; serve them next to yours (node docs/landing/dev.mjs previews them).

Agent capabilities

Machine-readable contract · Authentication and payment protocol

Connect a buyer

node bin/domain-rails.mjs init-owner /private/path/owner.pem

Adapt examples/mcp.json for a client that supports stdio MCP. Pin the seller's public key through a trusted catalog, configure the owner's signing key and contact file, then set a per-purchase and daily budget. Purchases default to disabled.

DOMAIN_REGISTRANT_FILE injects the contact locally. Wallet and owner keys come from private files, never model arguments. Payment authorizations and budget reservations are persisted before sending. A retry reuses its original authorization; an unknown outcome keeps its budget reserved.

Keep the original client_order_id and order body across retries. A pending response is a reason to check status, not to create a second purchase. The user or client policy must authorize purchases and acceptance of seller terms.

Connect the domain to Vercel

Configure VERCEL_TOKEN_FILE, VERCEL_PROJECT_ID and optionally VERCEL_TEAM_ID in the buyer's environment. The MCP client exposes vercelConnect:

{"domain":"your-owned-domain.com"}

The connector uses Vercel's current DNS recommendations, adds the apex domain to the pinned project and preserves existing TXT verification values and unrelated records. Replacing other A records requires explicit replace_existing:true. Conflicting AAAA/CNAME records must first be removed through the DNS provider's console.

waiting_for_verification_or_dns means propagation or verification is still pending. configured reflects the Vercel API, not an independent HTTPS reachability test. The seller itself requires a persistent Node process and disk; it is not a Vercel Function.

Bring your supplier

Openprovider and Porkbun Sandbox have built-in adapters. Other suppliers implement the common HTTP endpoints for quotes, contact preparation, submission, reconciliation and management. Operators retain their own accounts, pricing and payment destination.

Supplier contract and runnable simulator →

Supporting the contract makes integration possible; it does not make an untested supplier production-ready. Our pilot plan starts with Openprovider Sandbox and our own agent, then a controlled domain for our own Vercel project, before involving outside customers.

Built for interrupted operations

• Durable order identity. Changed input cannot silently reuse an existing order. A wallet signature binds payment to the order and owner key.
• No blind mutation retries. Lost payment and registrar responses enter reconciliation using the original evidence.
• Refunds for proven non-delivery. Refunds target the original payer. Ambiguous outcomes remain pending; refunds require a funded reserve and functioning infrastructure.
• Private management. Owner requests and seller responses use Ed25519; document bodies use AES-256-GCM. Database row identifiers, including domain names, are not encrypted.
• Explicit operational limits. One seller process per SQLite database. Openprovider renewal ambiguity may require documented operator evidence. Porkbun replays use a durable idempotency key only within a 23-hour window; older unknown outcomes require review. DNS revision checking is not an atomic lock against outside console edits.

No automatic expiry notifications, renewal scheduler, owner-key recovery or general DNS deletion API is included. Operators must provide those support procedures before serving customers. See OPERATIONS.md.

Repository status

Canonical source is domain-kit/ in the AIMarket monorepo. The GitHub satellite is alexar76/domain-operator-kit. From the monorepo root the same commands are npm test --prefix domain-kit (and npm run check --prefix domain-kit). A Node 22/24 CI workflow, Docker/Compose definitions and local branding assets are included. The workflow is prepared; this README does not claim it has run on GitHub. The local test badge links to a dated verification record.

This package remains private:true to prevent accidental npm publication. No hosted demo or published package is implied by the quickstart.

MIT licensed. Base payment reconciliation was adapted from the AIMarket eSIM operator kit; see NOTICE.md.