DNSimple MCP server

MCP server for DNSimple — domains, DNS zone records, availability, pricing and contacts. Hosted by usefulapi: connect it to Claude, ChatGPT, Cursor or any MCP client.

Connect DNSimpleFree 50 tool calls / monthPro $9/mo · $90/yr · pricing16 tools

What can I ask?

Turn on the DNSimple connector, then ask in plain words. The AI picks the tools.

What you can do with DNSimple in Claude and ChatGPT

For developers and IT admins who manage domains and DNS records with DNSimple.

List the domains in your account

The AI lists the domains in the account with their details. You get one overview and can open any domain by name or id.

Review all DNS records of a zone

The AI lists the records of a zone and filters them, for example to show only TXT or MX records and their content. You can check a setup in one answer.

Check if a domain can be registered and its prices

The AI checks if a domain can be registered and whether it is a premium name. It also reads the registration, renewal and transfer prices.

Add, change or delete a DNS record

The AI creates a new record in a zone, updates the content or TTL of one, or deletes one. These changes affect live DNS.

Changes data

List the contacts used as domain registrants

The AI lists the contacts in the account that are used as registrants. You can check who is on record for your domains.

How do I connect DNSimple?

Before you connect

The login page asks for your DNSimple API token.

Find it in DNSimple → Account → Automation → API tokens (an account API access token). Your token is used only to call the API on your behalf and to derive a private account id; it is never shown to anyone.

Claude claude.ai · Desktop

  1. Open Customize → Connectors, then click + Add → Add custom connector.
  2. Enter the name DNSimple and this URL, then click Add:
    https://dnsimple.usefulapi.io/mcp
  3. Claude opens the login page: enter your DNSimple API token.
  4. In a chat, click + → Connectors and turn on DNSimple.

Team and Enterprise: an Owner adds the connector for the organization first.

ChatGPT chatgpt.com

  1. Open Plugins, click +, then Add custom MCP server.
  2. Enter the name DNSimple and this URL, choose OAuth as the authentication, confirm the warning and create it:
    https://dnsimple.usefulapi.io/mcp
  3. ChatGPT opens the login page: enter your DNSimple API token.
  4. In Plugins, install DNSimple, then choose it in a chat.

No Add custom MCP server option? It depends on your account or workspace settings: see OpenAI's guide.

Claude Code

Run this command, then run /mcp in Claude Code to log in:

claude mcp add --transport http dnsimple https://dnsimple.usefulapi.io/mcp

Cursor

Add to Cursor or add this to ~/.cursor/mcp.json:

{
  "mcpServers": {
    "dnsimple": {
      "url": "https://dnsimple.usefulapi.io/mcp"
    }
  }
}

VS Code

Add to VS Code or add this to .vscode/mcp.json:

{
  "servers": {
    "dnsimple": {
      "type": "http",
      "url": "https://dnsimple.usefulapi.io/mcp"
    }
  }
}

Codex

Run these commands. The second one opens the login page:

codex mcp add dnsimple --url https://dnsimple.usefulapi.io/mcp
codex mcp login dnsimple

Other clients

Windsurf, Cline, Zed and other MCP clients: add this URL as a remote MCP server (Streamable HTTP). The client then opens the login page in your browser.

https://dnsimple.usefulapi.io/mcp

Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your DNSimple API token. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

Pricing

PlanPriceLimit
Free$050 tool calls / month
Pro$9/mo · $90/yr10,000 tool calls / month
Pro+$39/mo · $390/yr100,000 tool calls / month

Each paid plan covers this DNSimple server only. Ask your AI to run dnsimple_upgrade and choose Pro or Pro+, billed monthly or yearly (it returns a Stripe Checkout link). If you already have Pro, ask to change it to Pro+. The change requires your confirmation, keeps your billing interval and charges the price difference for the rest of the period immediately. Cancel any time with dnsimple_cancel_subscription: your paid plan continues to the end of the paid period, with no refund for the current period, and asking to resume the same plan with dnsimple_upgrade before then undoes the cancel. Or write to [email protected].

Tools 16

Show all 16 tools (the AI picks them for you)

Read only · 9

  • Who am Idnsimple_whoami
    Identify the authenticated account/user for the current API token. Use this to discover your account id (data.account.id).
  • List domainsdnsimple_list_domains
    List the domains in the account, with pagination and optional filters.
  • Get a domaindnsimple_get_domain
    Retrieve a single domain by name or id.
  • List zone recordsdnsimple_list_zone_records
    List the DNS records in a zone, with pagination and optional filters.
  • Get a zone recorddnsimple_get_zone_record
    Retrieve a single DNS record in a zone by its numeric id.
  • Check domain availabilitydnsimple_check_domain
    Check whether a domain is available to register. Returns { domain, available, premium }.
  • Get domain pricesdnsimple_get_domain_prices
    Retrieve the registration, renewal, and transfer prices for a domain.
  • List zonesdnsimple_list_zones
    List the DNS zones in the account, with pagination and optional filters.
  • List contactsdnsimple_list_contacts
    List the contacts in the account (used as domain registrants).

Changes data · 3

  • Create a zone recorddnsimple_create_zone_record
    Create a new DNS record in a zone. Additive — it adds a record without touching existing ones.
  • Update a zone recorddnsimple_update_zone_record
    Update an existing DNS record. WARNING: mutates LIVE DNS — changing content/ttl takes effect for real resolution. Only the fields you provide are sent.
  • Delete a zone recorddnsimple_delete_zone_record
    Delete a DNS record from a zone. WARNING: permanently removes a live DNS record. API: DELETE /{account}/zones/{zone}/records/{record}. Returns 204 (no body).

Your usefulapi plan · 4

  • Usage status (free-tier meter)dnsimple_usage_status
    Report the caller's current usage: the plan, calls used this month, the limit of the plan (the free monthly cap or the Pro fair use limit), remaining, and whether the limit is reached. Read-only; does not count against the meter.
  • Request a missing featurednsimple_request_feature
    Tell usefulapi that the user needs something the DNSimple tools cannot do yet (a missing tool, field or filter). Call it only when the user asks for something none of the tools can do, and tell the user that you send the request. Do not call it for errors or for normal requests. Do not include personal data, credentials or customer records. Stored with the product name and the client type (for example Claude or Cursor), without the user's account. At most 5 requests per day. Does not count against the meter.
  • Upgrade to Pro or Pro+dnsimple_upgrade
    Get a paid plan for DNSimple (the free tier caps monthly usage). Pro: 10,000 tool calls a month, for normal use — plan "monthly" ($9/month) or "yearly" ($90/year, 2 months free). Pro+: 100,000 tool calls a month, for automations and heavy use — plan "plus" ($39/month) or "plus_yearly" ($390/year). Without a plan it returns both Pro and Pro+, each with a payment link, for the user to choose; with a plan, one link. An existing Pro subscription changes to Pro+ in place (needs confirm: true; the price difference for the rest of the period is charged at once). Cancel any time: the plan then runs to the end of the paid period, so it also suits a one-time job. A link opens Stripe Checkout in the browser; after payment the account upgrades automatically. Does not count against the meter.
  • Cancel the Pro subscriptiondnsimple_cancel_subscription
    Cancel the caller's DNSimple Pro subscription at the end of the paid period (no refund for the current period; Pro continues until then, then the free tier applies). Requires confirm: true. Run dnsimple_upgrade later to undo the cancel before the period ends. Does not count against the meter.

FAQ

What can I do with DNSimple in Claude or ChatGPT?

List the domains in your account. Review all DNS records of a zone. Check if a domain can be registered and its prices. Add, change or delete a DNS record. List the contacts used as domain registrants. See what you can do for the details.

Is this an official DNSimple product?

No. usefulapi is an independent service. It is not affiliated with or endorsed by DNSimple. The server calls the DNSimple API with your own DNSimple access, so it sees only the data that your account can see.

Can I connect DNSimple to Claude or ChatGPT?

Yes. In Claude, add this server's URL as a custom connector. In ChatGPT, add it as a custom MCP server in Plugins. Then log in once. Cursor, VS Code, Claude Code and Codex work too. See the setup steps.

What do I need to connect?

The login page asks for your DNSimple API token. See Before you connect for where to find it.

Do I put my DNSimple key or an Authorization header in the client config?

No. Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your DNSimple API token. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

How do you keep my DNSimple credentials?

The login stores them encrypted in the authorization grant of your connection. The server uses them to call the DNSimple API for you and to derive a private account id for usage metering. usefulapi does not show them on any page or in any reply. To stop all access, remove the connector and change or delete these credentials in DNSimple.

Can the AI change my DNSimple data?

Yes, if you approve it. 3 of the 12 DNSimple tools can create or change data. The other 9 are marked read-only. Most MCP clients ask you to approve a tool call before it runs.

What does it cost?

The Free plan gives 50 tool calls / month. Pro costs $9/mo or $90/yr, with 10,000 tool calls / month. Pro+ costs $39/mo or $390/yr, with 100,000 tool calls / month. Each subscription covers this DNSimple server only. Cancel any time: your paid plan then runs to the end of the paid period. Run dnsimple_usage_status to see how many calls you used.

How do I subscribe or cancel?

Ask the AI to run dnsimple_upgrade and choose Pro or Pro+, billed monthly or yearly: it returns a Stripe Checkout link. If you already have Pro, ask to change it to Pro+. After you confirm, your existing subscription changes in place, keeps its billing interval and charges the price difference for the rest of the period immediately. To cancel, run dnsimple_cancel_subscription. Your paid plan continues to the end of the paid period.

What if a DNSimple tool that I need is missing?

Tell the AI what you wanted to do. It can send the request with dnsimple_request_feature. We store the text with the server name, the type of AI client and the tool you tried, not with your account, and read every request when we plan new tools. You can send up to 5 requests per day.

Which AI clients can I use?

Any client that supports remote MCP servers (Streamable HTTP) with OAuth login: Claude (web and desktop), Claude Code, ChatGPT, Codex, Cursor, VS Code, Windsurf and others.

This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.

Need a tool this server does not have, or a connection to another system? We build custom integrations and MCP servers.

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