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PopNx MCPMCP servers for people who use AI · explained in plain words

AiVikings.ai

by AIvikingsversion 1.0.3i★ –iRuns in the cloud
Registry nameai.aivikings/registrar

Install

Overview

Description from the maker (original English)

Find, register, and manage domains from any AI chat or agent

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs in the cloud
  • Transport: Streamable HTTP
  • Category: Chat & email

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 2 of 3 passed Fail
  • Runs on the maker’s server: what you ask it goes through their server.
  • Can do 37 things (tools) get_domain_audit_log, get_current_user, check_domain_availability, get_domain_pricing …
  • The registry lists no key to fill in.

You need

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Works in Claude on the web, desktop and mobile:

  1. Open Settings → Connectors
  2. Press Add custom connector
  3. Paste the address below and press Add
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Add2https://…3
https://mcp.aivikings.ai/mcp

Run this in your terminal

claude mcp add --transport http registrar https://mcp.aivikings.ai/mcp

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "registrar": {
      "url": "https://mcp.aivikings.ai/mcp"
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "registrar": {
      "type": "http",
      "url": "https://mcp.aivikings.ai/mcp"
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

ChatGPT connects only to servers on the internet:

  1. Open ChatGPT on the web → Settings → Connectors (Apps)
  2. Press Create or Add (some plans need Developer mode under Advanced first)
  3. Paste the address below, give it a name and save
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Create2https://…3
https://mcp.aivikings.ai/mcp

Menu names can differ slightly by plan and over time.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Tool names and descriptions exactly as the server reported them on Nov 7, 2026. The maker wrote them, not us; we show them as plain text.

  • get_domain_audit_log

    Read append-only domain change history for the authenticated customer. Omit domain for portfolio history. Requires audit:read. Results are newest recorded first; pass next_cursor with the same filters for another page. Times must include a timezone. Requested, state_changed, and

  • get_current_user

    Return the authenticated AIvikings customer for the current bearer API key, including name and email when the key belongs to a customer.

  • check_domain_availability Looks like an instruction to the AI

    Check whether domain names can be registered through AIvikings. Takes a list of one or more names (up to 200). Each result has a status: available (confirmed free by the registry), probably_available (not registered as far as we can see, but NOT confirmed: lists of more than 50 n

  • get_domain_pricing

    Get a fresh price quote for one domain. Returns customer-facing registration, renewal, and transfer prices, plus is_premium so the user can be told when premium pricing applies. Omit currency to use the returned currency; USD and EUR can be requested explicitly. Prices are not co

  • get_prepaid_balance

    Return the authenticated customer's prepaid balance for domain purchases. Returns both USD and EUR wallet balances. When automatic currency conversion is enabled, a zero balance in the requested currency does not block registration if the other wallet has enough credit; register_

  • list_contact_countries

    List exact ConnectReseller country names and IDs for creating or updating contacts.

  • list_contact_states

    List exact ConnectReseller state names for a country name, country ID, or ISO code. Use the returned name in contact requests.

  • create_contact

    Create a reusable contact for domain registration. Use list_contact_countries and list_contact_states to choose valid country and state names. The returned handle can be passed to register_domain and reused for multiple domains. When handle is omitted, it is generated from the co

  • get_contact

    Get one reusable contact by its handle.

  • list_contacts

    List reusable contacts belonging to the authenticated customer.

  • list_domain_registration_contacts

    List the authenticated customer's registrant/contact handles for domain registrations. Returns whether each contact is complete enough for registration, its missing required fields, its default domain-contact roles, and the handle to pass to register_domain. Always call this befo

  • assign_domain_registration_contact_roles

    Assign one existing contact handle as the default for selected domain-registration roles. Set assign_registrant, assign_admin, assign_technical, and/or assign_billing to true; false leaves that role unchanged. Assigning a role replaces any previous default for that role. Use this

  • remove_domain_registration_contact_roles

    Remove selected default domain-registration roles from one existing contact handle. Set remove_registrant, remove_admin, remove_technical, and/or remove_billing to true; false leaves that role unchanged. This does not delete the contact. Removing a role without assigning it to an

  • register_domain

    Register a domain through AIvikings using the authenticated account's configurable default nameservers when nameservers are omitted. Call list_domain_registration_contacts first and pass contact_handle to use one complete reusable contact for registrant, admin, technical, and bil

  • get_domain_status

    Fetch the latest domain status, expiry and nameservers from the registrar and refresh the saved AIvikings record. Use this for an on-demand update, including pending transfers.

  • list_domains

    List domains recorded in the local registrar datastore.

  • renew_domain

    Renew a domain through AIvikings.

  • update_registrant_contact

    Update the registrant contact for a domain owned by the authenticated customer. Pass contact_handle by itself to apply an existing reusable contact without copying its fields into a new contact record. Name, organization, or email changes require acknowledge_transfer_lock=true be

  • update_nameservers

    Replace a domain's nameservers through AIvikings.

  • configure_dns_record

    Configure an A record for a domain through AIvikings. Use record_name=@ or omit it for the root/apex record. To create a subdomain, pass a relative name such as www for www.example.com or staging.api for staging.api.example.com. For compatibility, a complete hostname such as www.

  • list_dns_records

    List the managed DNS records for a domain owned by the authenticated customer. Use the returned DNS zone record ID when updating or deleting a record.

  • add_dns_record

    Add a managed DNS record to a domain owned by the authenticated customer. Supported types are A, AAAA, CNAME, MX, TXT, NS, and SRV. Relative names are expanded below the domain, including nested names such as staging.api; use @ for the zone apex. SRV records require port and weig

  • update_dns_record

    Replace an existing managed DNS record. Call list_dns_records first and pass its DNS zone record ID. All record fields must describe the desired replacement.

  • delete_dns_record

    Permanently delete a managed DNS record. Call list_dns_records first and pass the exact DNS zone record ID returned by the provider.

  • domain_transfer

    Transfer a domain in through AIvikings.

  • get_transfer_auth_code

    Return the EPP transfer auth code for a domain owned by the authenticated customer. The secret is fetched only on demand.

  • regenerate_transfer_auth_code

    Regenerate and return a new EPP transfer auth code for a domain owned by the authenticated customer, invalidating the old code.

  • lock_domain

    Enable the registrar transfer lock for a domain owned by the authenticated customer.

  • unlock_domain

    Disable the registrar transfer lock for a domain owned by the authenticated customer before a transfer-out.

  • get_customer

    Get the customer record linked to the current bearer token. A supplied customer ID must match that token.

  • middleware_get_capabilities

    Middleware admin only: read enabled provider accounts, capabilities and transaction input schemas. Use this before middleware_submit_transaction. Requires the static MCP/REST admin bearer token. Provider operations and credentials remain in the existing middleware service.

  • middleware_submit_transaction

    Middleware admin only: submit a middleware transaction using action/input from middleware_get_capabilities. For account actions the selected enabled middleware account is used. For domain actions supply the middleware domain_id. Choose account_id from middleware_get_capabilities

  • middleware_get_transaction

    Middleware admin only: read a middleware transaction's status and result by transaction_id. succeeded confirms completion; pending_provider, outcome_unknown and manual_review must not trigger a duplicate order. Authcodes require middleware_get_transaction_secret.

  • middleware_list_transactions

    Middleware admin only: list persisted middleware transactions for the selected middleware account, optionally filtered by domain. Pass nextCursor as cursor for the next page.

  • middleware_get_domain

    Middleware admin only: read the middleware's domain projection by domain_id. For a live provider refresh submit action=refresh first and wait for completion.

  • middleware_get_contact

    Middleware admin only: read a local middleware contact by contact_id.

  • middleware_get_transaction_secret

    Middleware admin only: read a protected transaction secret through the middleware API. Requires the upstream secret-read scope and is audited.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 9, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified against the domain aivikings.ai (the registry checks domain ownership)

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • ✓ Pass

    Endpoint responds

    Responded in 500 ms (HTTP 200)

  • – Not applicable

    Sign-in with OAuth

    No sign-in needed

  • ✕ Fail

    No hidden instructions in tool descriptions

    1 tool descriptions contain text that looks like instructions to the AI. Read them below before installing

Compared with others in Chat & emaili

  • More stars than 0% of the other 1869 servers in this category
  • Published to the registry more recently than 66% of the other 1869 servers in this category
  • Basic checks equal to or better than 46% of the other 1869 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is AiVikings.ai safe?

It passed 2 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.0.3) reached the registry 16 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Vexa, emailmd, MCP WhatsApp Cloud

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Vexa

Meeting bot and transcripts for Google Meet, Teams and Zoom. Live or after, speakers labelled.

by Vexa-aiWidely used★ 2.9KUpdated 2 months ago

Runs in the cloud✓ vexa.ai

emailmd

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

by anypostWidely used↓ 5.3K/wk★ 1.4KUpdated 33 days ago

Computer or cloud✓ emailmd.dev

MCP WhatsApp Cloud

MCP server for WhatsApp Cloud API (Meta) — messages, media, and templates via Graph API

by codesparEarly↓ 63/wk★ 277Updated 5 months ago

Runs on your computer

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

AiVikings.ai MCP Server (official)

The official Model Context Protocol server for AiVikings.ai, the domain registrar built for AI agents. It lets ChatGPT, Claude, Cursor and any agent that supports MCP check availability, register and renew domains, and manage DNS, contacts and transfers.

No install needed. AiVikings.ai runs this server at:

https://mcp.aivikings.ai/mcp

Setup guides, the full tool reference and pricing: [aivikings.ai/docs/mcp](https://aivikings.ai/docs/mcp/)

Connect

You need an AiVikings.ai account. Create one at app.aivikings.ai.

The server uses OAuth. On first use your client opens an AiVikings.ai page where you approve the connection. Today that page asks you to paste the API token from your dashboard.

Claude Code
claude mcp add --transport http aivikings https://mcp.aivikings.ai/mcp
Claude (web and desktop)

Add a custom connector with the URL https://mcp.aivikings.ai/mcp. Step by step: Claude setup.

ChatGPT

Add a connector with the URL https://mcp.aivikings.ai/mcp and OAuth authentication. Step by step: ChatGPT setup.

Cursor

Add to ~/.cursor/mcp.json:

{

"mcpServers": { "aivikings": { "url": "https://mcp.aivikings.ai/mcp" } } }

VS Code

Add to .vscode/mcp.json:

{

"servers": { "aivikings": { "type": "http", "url": "https://mcp.aivikings.ai/mcp" } } }

Cline and other agents

Agents that install MCP servers for you can follow llms-install.md.

Unattended agents (LangChain, CrewAI, scripts)

Agents without a browser can't complete OAuth. Send your AiVikings.ai API key as a bearer token instead:

{

"mcpServers": { "aivikings": { "type": "streamableHttp", "url": "https://mcp.aivikings.ai/mcp", "headers": { "Authorization": "Bearer YOUR_AIVIKINGS_API_KEY" } } } }

Optional X-Agent-Id and X-Agent-Name headers label your agent's actions in the domain audit log.

Try it

Once connected, ask your assistant:

  • "Is cartandcup.com available, and what would it cost to register and renew?"
  • "Brainstorm 20 names for a weather analytics project and check which .com and .io domains are free."
  • "Register nightowlanalytics.com for one year using my default contact."
  • "Point the root of nightowlanalytics.com to 203.0.113.10 and add a www CNAME."
  • "Show my domains with their status and expiry dates."

Tools

GroupTools
Search and pricingcheck_domain_availability, check_single_domain_availability, get_domain_pricing
Registration (spends prepaid balance)register_domain, renew_domain, domain_transfer
Domain managementget_domain_status, list_domains, update_nameservers, lock_domain, unlock_domain, get_transfer_auth_code, regenerate_transfer_auth_code, get_domain_audit_log
DNSlist_dns_records, add_dns_record, configure_dns_record, update_dns_record, delete_dns_record
Contactscreate_contact, get_contact, list_contacts, list_domain_registration_contacts, assign_domain_registration_contact_roles, remove_domain_registration_contact_roles, update_registrant_contact, list_contact_countries, list_contact_states
Accountget_current_user, get_prepaid_balance, get_customer

Full descriptions and parameters: tool reference.

Built for agents

  • Prepaid balance. Registrations, renewals and transfers are paid from your prepaid USD or EUR balance. No card is charged by a tool call.
  • Premium domains need a yes. A premium-priced domain is only registered when the agent passes allow_premium=true after the user accepted the quoted price.
  • Safety annotations. Every tool is marked read-only or write, and destructive tools (such as delete_dns_record) are flagged, so clients can ask before running them.
  • Audit log. Every change to a domain is recorded and can be read back with get_domain_audit_log.
  • Pure registrar. No hosting or email upsells in the purchase flow.

Privacy and security

This server is a thin adapter. Each request carries your own OAuth token or API key, which is verified by the AiVikings.ai backend and forwarded with each tool call. The adapter stores no credentials and has no privileged fallback token. Internal backend error details are never passed back to the client.

Support


Self-hosting the adapter

Most users should connect to the hosted server above. This section is for running the adapter yourself in front of an AiVikings.ai backend.

The adapter is a public Streamable HTTP MCP layer over the AiVikings.ai registrar REST API. The tools keep their parameter schemas, descriptions and safety annotations, and call the backend over HTTP. The backend owns business logic, authentication, customer isolation, scopes, provider access and audit persistence.

This repository contains no registrar backend, database models, provider adapters, frontend assets, internal runbooks or production environment files. It installs and builds without access to either private repository.

Run locally

Requires Python 3.12+ and a running AiVikings.ai backend exposing /v1/mcp.

python3 -m venv .venv

. .venv/bin/activate python -m pip install -e ".[dev]" cp .env.example .env

Configure AIVIKINGS_API_BASE_URL to reach the backend.

aivikings-mcp

The endpoint is http://127.0.0.1:8081/mcp. Clients send their own AiVikings.ai bearer API key or OAuth access token. The adapter verifies it through the backend and forwards it with each tool call. There is no privileged fallback token. Token revocation and customer/scope checks stay authoritative in the backend. Anonymous initialize, tools/list and ping discovery remain available.

GET /healthz is a local process health check, not an upstream readiness check. /.well-known/oauth-protected-resource advertises the public backend as the OAuth authorization server. AIVIKINGS_API_BASE_URL is an internal HTTP address; AIVIKINGS_PUBLIC_API_BASE_URL and AIVIKINGS_MCP_URL must be externally reachable for real OAuth clients. OAuth issuance and signing secrets remain in the backend.

Docker
docker compose up --build

The standalone Compose default reaches the backend's published port 8080 using host.docker.internal. Set the upstream/public URLs for your deployment. If you copy .env.example first, replace its localhost upstream with an address reachable from inside the container. No private source checkout is mounted.

Tests
pytest

Tests use a simulated HTTP backend and exercise discovery, bearer challenges, per-request identity, tool schemas and error sanitization without a database. Backend rejection is returned as an HTTP-status tool error; private upstream response bodies are not exposed to MCP clients. Review backend logs for details.

The optional Claude demonstration client is installed with python -m pip install -e ".[demo]"; configure its client-side ANTHROPIC_API_KEY and AIVIKINGS_MCP_API_KEY before aivikings-demo-agent. Its sample transcript in examples/ is historical and illustrative.

License

MIT

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