Domain research for AI agents

Every good .com is taken. Find the ones that aren't.

Ask your AI assistant for 500 name ideas, and DomainScout checks every one of them against the registries - which are free, what they cost and where to buy them.

It runs in Claude, Cursor or any MCP client, on your own machine: hundreds of names in parallel within polite rate limits, DNS first, then the registry itself over RDAP or WHOIS. No account, no API keys, no server in the middle.

Claude Code and other clients MCP Registry GitHub

  • MIT license
  • No API keys needed
  • Node 20+
  • v1.1.2
You I'm naming a note-taking app. Brainstorm 500 names and tell me which .com domains are free.
DomainScout check_domains

500 names checked in 20s: 27 free .com, 473 taken

  • quillloom.comAvailable$10.46/yr at Cloudflare
  • scribeloom.comAvailable$10.46/yr at Cloudflare
  • scribebloom.comAvailable$10.46/yr at Cloudflare
  • foliobloom.comAvailable$10.46/yr at Cloudflare
  • glyphbloom.comAvailable$10.46/yr at Cloudflare

…and 22 more free

Why DomainScout

Hundreds of names at once

Finding a free .com one name at a time is hopeless. Hand over the whole brainstorm - 500 names in one call - and get back the short list that is actually free.

Registry-accurate

Answers come from the registry itself over RDAP or WHOIS, not from a guess based on DNS. A domain bought but never set up still shows as taken.

Runs on your machine

No server in the middle: queries go straight from your computer to DNS, the registries and public price lists, in parallel within limits per registry, so nobody gets flooded.

Prices and where to buy

Standard prices from public price lists and links to nine registrars, sorted by what the first years really cost - promos included.

Premium names caught

Add a registrar API key - Name.com, Cloudflare, Spaceship or Porkbun - and every free-looking name is confirmed, premium names flagged, prices exact.

Works wherever MCP does

Claude Desktop, Claude Code, Cursor and any other MCP client - plus a command line for scripts and quick checks.

How a domain is checked

Each name goes through the cheapest step that can answer for sure, and only moves on when it cannot.

  1. Normalize

    URLs, www, capitals and international names become clean domains. Names without a TLD get .com, .net and .ai - or yours.

  2. DNS

    A domain with nameservers is taken. Fast, free, and it spares the registries.

  3. Registry (RDAP)

    The authoritative answer, with expiry dates, and domains that are about to be deleted.

  4. WHOIS

    For TLDs without RDAP, such as .io or .de - read with care, so a rate-limit notice never passes for "free".

  5. Registrar API optional

    Confirms the name can be bought, flags premium names and gives the exact price.

  6. Prices and links

    Cheapest first, with first-year and renewal prices and any minimum term.

Examples

Real output, generated on 2026-10-07. Availability and prices change over time.

The assistant calls the tool:

{
  "name": "check_domains",
  "arguments": {
    "domains": [
      "quillwise",
      "quillnest",
      "quillflow",
      "quillhub",
      "… 496 more"
    ],
    "tlds": [
      "com"
    ]
  }
}

The tool answers with this text, plus the same data as structured JSON:

Checked 500 domain(s) in 20.5s: 27 available, 473 taken.

AVAILABLE (cheapest known offer for each):
- quillloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=quillloom.com
- scribeloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=scribeloom.com
- scribebloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=scribebloom.com
- foliobloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=foliobloom.com
- glyphbloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=glyphbloom.com
- outlinenest.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinenest.com
- outlineloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlineloom.com
- outlinemint.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinemint.com
- outlinespark.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinespark.com
- outlinestack.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinestack.com
- outlinewave.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinewave.com
- outlinegrove.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinegrove.com
- outlinehaven.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinehaven.com
- pencilloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=pencilloom.com
- pencilmint.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=pencilmint.com
- pencilstack.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=pencilstack.com
- pencilwave.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=pencilwave.com
- pencilhaven.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=pencilhaven.com
- pencilbloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=pencilbloom.com
- notchloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchloom.com
- notchmint.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchmint.com
- notchspark.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchspark.com
- notchvault.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchvault.com
- notchgrove.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchgrove.com
- notchhaven.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchhaven.com
- notchforge.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchforge.com
- notchbloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchbloom.com
Not confirmed by a registrar means: not found in the registry or DNS. Prices are standard list
prices; premium or reserved names look the same, so the registrar's page shows the final price.
Each line shows the cheapest known offer. Check a few chosen names again to see every registrar,
including links for registrars without public prices.

TAKEN: quillwise.com, quillnest.com, quillflow.com, quillhub.com, quillpad.com, quillbox.com,
  quillbase.com, quillkit.com, quilllab.com, quillcraft.com, quillmint.com, quillspark.com,
  quillstack.com, quillvault.com, quillwave.com, quillgrove.com, quillhaven.com, quillforge.com,
  quillbloom.com, jotwise.com, jotnest.com, jotflow.com, jothub.com, jotloom.com, jotpad.com,
  jotbox.com, jotbase.com, jotkit.com, jotlab.com, jotcraft.com, jotmint.com, jotspark.com,
  jotstack.com, jotvault.com, jotwave.com, jotgrove.com, jothaven.com, jotforge.com, jotbloom.com,
  notewise.com, notenest.com, noteflow.com, notehub.com, noteloom.com, notepad.com, notebox.com,
  notebase.com, notekit.com, notelab.com, notecraft.com, notemint.com, notespark.com, notestack.com,
  notevault.com, notewave.com, notegrove.com, notehaven.com, noteforge.com, notebloom.com,
  inkwise.com, inknest.com, inkflow.com, inkhub.com, inkloom.com, inkpad.com, inkbox.com,
  inkbase.com, inkkit.com, inklab.com, inkcraft.com, inkmint.com, inkspark.com, inkstack.com,
  inkvault.com, inkwave.com, inkgrove.com, inkhaven.com, inkforge.com, inkbloom.com, pagewise.com,
  pagenest.com, pageflow.com, pagehub.com, pageloom.com, pagepad.com, pagebox.com, pagebase.com,
  pagekit.com, pagelab.com, pagecraft.com, pagemint.com, pagespark.com, pagestack.com,
  pagevault.com, pagewave.com, pagegrove.com, pagehaven.com, pageforge.com, pagebloom.com,
  memowise.com, memonest.com, memoflow.com, memohub.com, memoloom.com, memopad.com, memobox.com,
  memobase.com, memokit.com, memolab.com, memocraft.com, memomint.com, memospark.com, memostack.com,
  memovault.com, memowave.com, memogrove.com, memohaven.com, memoforge.com, memobloom.com,
  scribewise.com, scribenest.com, scribeflow.com, scribehub.com, scribepad.com, scribebox.com,
  scribebase.com, scribekit.com, scribelab.com, scribecraft.com, scribemint.com, scribespark.com,
  scribestack.com, scribevault.com, scribewave.com, scribegrove.com, scribehaven.com,
  scribeforge.com, draftwise.com, draftnest.com, draftflow.com, drafthub.com, draftloom.com,
  draftpad.com, draftbox.com, draftbase.com, draftkit.com, draftlab.com, draftcraft.com,
  draftmint.com, draftspark.com, draftstack.com, draftvault.com, draftwave.com, draftgrove.com,
  drafthaven.com, draftforge.com, draftbloom.com, ideawise.com, ideanest.com, ideaflow.com,
  ideahub.com, idealoom.com, ideapad.com, ideabox.com, ideabase.com, ideakit.com, idealab.com,
  ideacraft.com, ideamint.com, ideaspark.com, ideastack.com, ideavault.com, ideawave.com,
  ideagrove.com, ideahaven.com, ideaforge.com, ideabloom.com, mindwise.com, mindnest.com,
  mindflow.com, mindhub.com, mindloom.com, mindpad.com, mindbox.com, mindbase.com, mindkit.com,
  mindlab.com, mindcraft.com, mindmint.com, mindspark.com, mindstack.com, mindvault.com,
  mindwave.com, mindgrove.com, mindhaven.com, mindforge.com, mindbloom.com, brainwise.com,
  brainnest.com, brainflow.com, brainhub.com, brainloom.com, brainpad.com, brainbox.com,
  brainbase.com, brainkit.com, brainlab.com, braincraft.com, brainmint.com, brainspark.com,
  brainstack.com, brainvault.com, brainwave.com, braingrove.com, brainhaven.com, brainforge.com,
  brainbloom.com, thinkwise.com, thinknest.com, thinkflow.com, thinkhub.com, thinkloom.com,
  thinkpad.com, thinkbox.com, thinkbase.com, thinkkit.com, thinklab.com, thinkcraft.com,
  thinkmint.com, thinkspark.com, thinkstack.com, thinkvault.com, thinkwave.com, thinkgrove.com,
  thinkhaven.com, thinkforge.com, thinkbloom.com, clipwise.com, clipnest.com, clipflow.com,
  cliphub.com, cliploom.com (in deletion, may become available soon), clippad.com, clipbox.com,
  clipbase.com, clipkit.com, cliplab.com, clipcraft.com, clipmint.com, clipspark.com, clipstack.com,
  clipvault.com, clipwave.com, clipgrove.com, cliphaven.com, clipforge.com, clipbloom.com,
  snapwise.com, snapnest.com, snapflow.com, snaphub.com, snaploom.com, snappad.com, snapbox.com,
  snapbase.com, snapkit.com, snaplab.com, snapcraft.com, snapmint.com, snapspark.com, snapstack.com,
  snapvault.com, snapwave.com, snapgrove.com, snaphaven.com, snapforge.com, snapbloom.com,
  storywise.com, storynest.com, storyflow.com, storyhub.com, storyloom.com, storypad.com,
  storybox.com, storybase.com, storykit.com, storylab.com, storycraft.com, storymint.com,
  storyspark.com, storystack.com, storyvault.com, storywave.com, storygrove.com, storyhaven.com,
  storyforge.com, storybloom.com, leafwise.com, leafnest.com, leafflow.com, leafhub.com,
  leafloom.com, leafpad.com, leafbox.com, leafbase.com, leafkit.com, leaflab.com, leafcraft.com,
  leafmint.com, leafspark.com, leafstack.com, leafvault.com, leafwave.com, leafgrove.com,
  leafhaven.com, leafforge.com, leafbloom.com, foliowise.com, folionest.com, folioflow.com,
  foliohub.com, folioloom.com, foliopad.com, foliobox.com, foliobase.com, foliokit.com,
  foliolab.com, foliocraft.com, foliomint.com, foliospark.com, foliostack.com, foliovault.com,
  foliowave.com, foliogrove.com, foliohaven.com, folioforge.com, glyphwise.com,
  glyphnest.com (in deletion, may become available soon), glyphflow.com, glyphhub.com,
  glyphloom.com, glyphpad.com, glyphbox.com, glyphbase.com, glyphkit.com, glyphlab.com,
  glyphcraft.com, glyphmint.com, glyphspark.com, glyphstack.com, glyphvault.com, glyphwave.com,
  glyphgrove.com, glyphhaven.com, glyphforge.com, marginwise.com, marginnest.com, marginflow.com,
  marginhub.com, marginloom.com, marginpad.com, marginbox.com, marginbase.com, marginkit.com,
  marginlab.com, margincraft.com, marginmint.com, marginspark.com, marginstack.com, marginvault.com,
  marginwave.com, margingrove.com, marginhaven.com, marginforge.com, marginbloom.com,
  outlinewise.com, outlineflow.com, outlinehub.com, outlinepad.com, outlinebox.com, outlinebase.com,
  outlinekit.com, outlinelab.com, outlinecraft.com, outlinevault.com, outlineforge.com,
  outlinebloom.com, pencilwise.com, pencilnest.com, pencilflow.com, pencilhub.com, pencilpad.com,
  pencilbox.com, pencilbase.com, pencilkit.com, pencillab.com, pencilcraft.com, pencilspark.com,
  pencilvault.com, pencilgrove.com, pencilforge.com, paperwise.com, papernest.com, paperflow.com,
  paperhub.com, paperloom.com, paperpad.com, paperbox.com, paperbase.com, paperkit.com,
  paperlab.com, papercraft.com, papermint.com, paperspark.com, paperstack.com, papervault.com,
  paperwave.com, papergrove.com, paperhaven.com, paperforge.com, paperbloom.com, notchwise.com,
  notchnest.com, notchflow.com, notchhub.com, notchpad.com, notchbox.com, notchbase.com,
  notchkit.com, notchlab.com, notchcraft.com, notchstack.com, notchwave.com, versewise.com,
  versenest.com, verseflow.com, versehub.com, verseloom.com, versepad.com, versebox.com,
  versebase.com, versekit.com, verselab.com, versecraft.com, versemint.com, versespark.com,
  versestack.com, versevault.com, versewave.com, versegrove.com, versehaven.com, verseforge.com,
  versebloom.com, threadwise.com, threadnest.com, threadflow.com, threadhub.com, threadloom.com,
  threadpad.com, threadbox.com, threadbase.com, threadkit.com, threadlab.com, threadcraft.com,
  threadmint.com, threadspark.com, threadstack.com, threadvault.com, threadwave.com,
  threadgrove.com, threadhaven.com, threadforge.com, threadbloom.com

The everyday case: almost every good .com is taken, so an assistant brainstorms hundreds of names and checks them all in one call.

$ npx @dakaio/domainscout-mcp check quillwise quillnest quillflow quillhub "… 496 more" --tlds com
Checked 500 domain(s) in 20.5s: 27 available, 473 taken.

AVAILABLE (cheapest known offer for each):
- quillloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=quillloom.com
- scribeloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=scribeloom.com
- scribebloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=scribebloom.com
- foliobloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=foliobloom.com
- glyphbloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=glyphbloom.com
- outlinenest.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinenest.com
- outlineloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlineloom.com
- outlinemint.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinemint.com
- outlinespark.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinespark.com
- outlinestack.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinestack.com
- outlinewave.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinewave.com
- outlinegrove.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinegrove.com
- outlinehaven.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=outlinehaven.com
- pencilloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=pencilloom.com
- pencilmint.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=pencilmint.com
- pencilstack.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=pencilstack.com
- pencilwave.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=pencilwave.com
- pencilhaven.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=pencilhaven.com
- pencilbloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=pencilbloom.com
- notchloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchloom.com
- notchmint.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchmint.com
- notchspark.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchspark.com
- notchvault.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchvault.com
- notchgrove.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchgrove.com
- notchhaven.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchhaven.com
- notchforge.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchforge.com
- notchbloom.com: $10.46/yr at Cloudflare https://www.cloudflare.com/domains/search/?q=notchbloom.com
Not confirmed by a registrar means: not found in the registry or DNS. Prices are standard list
prices; premium or reserved names look the same, so the registrar's page shows the final price.
Each line shows the cheapest known offer. Check a few chosen names again to see every registrar,
including links for registrars without public prices.

TAKEN: quillwise.com, quillnest.com, quillflow.com, quillhub.com, quillpad.com, quillbox.com,
  quillbase.com, quillkit.com, quilllab.com, quillcraft.com, quillmint.com, quillspark.com,
  quillstack.com, quillvault.com, quillwave.com, quillgrove.com, quillhaven.com, quillforge.com,
  quillbloom.com, jotwise.com, jotnest.com, jotflow.com, jothub.com, jotloom.com, jotpad.com,
  jotbox.com, jotbase.com, jotkit.com, jotlab.com, jotcraft.com, jotmint.com, jotspark.com,
  jotstack.com, jotvault.com, jotwave.com, jotgrove.com, jothaven.com, jotforge.com, jotbloom.com,
  notewise.com, notenest.com, noteflow.com, notehub.com, noteloom.com, notepad.com, notebox.com,
  notebase.com, notekit.com, notelab.com, notecraft.com, notemint.com, notespark.com, notestack.com,
  notevault.com, notewave.com, notegrove.com, notehaven.com, noteforge.com, notebloom.com,
  inkwise.com, inknest.com, inkflow.com, inkhub.com, inkloom.com, inkpad.com, inkbox.com,
  inkbase.com, inkkit.com, inklab.com, inkcraft.com, inkmint.com, inkspark.com, inkstack.com,
  inkvault.com, inkwave.com, inkgrove.com, inkhaven.com, inkforge.com, inkbloom.com, pagewise.com,
  pagenest.com, pageflow.com, pagehub.com, pageloom.com, pagepad.com, pagebox.com, pagebase.com,
  pagekit.com, pagelab.com, pagecraft.com, pagemint.com, pagespark.com, pagestack.com,
  pagevault.com, pagewave.com, pagegrove.com, pagehaven.com, pageforge.com, pagebloom.com,
  memowise.com, memonest.com, memoflow.com, memohub.com, memoloom.com, memopad.com, memobox.com,
  memobase.com, memokit.com, memolab.com, memocraft.com, memomint.com, memospark.com, memostack.com,
  memovault.com, memowave.com, memogrove.com, memohaven.com, memoforge.com, memobloom.com,
  scribewise.com, scribenest.com, scribeflow.com, scribehub.com, scribepad.com, scribebox.com,
  scribebase.com, scribekit.com, scribelab.com, scribecraft.com, scribemint.com, scribespark.com,
  scribestack.com, scribevault.com, scribewave.com, scribegrove.com, scribehaven.com,
  scribeforge.com, draftwise.com, draftnest.com, draftflow.com, drafthub.com, draftloom.com,
  draftpad.com, draftbox.com, draftbase.com, draftkit.com, draftlab.com, draftcraft.com,
  draftmint.com, draftspark.com, draftstack.com, draftvault.com, draftwave.com, draftgrove.com,
  drafthaven.com, draftforge.com, draftbloom.com, ideawise.com, ideanest.com, ideaflow.com,
  ideahub.com, idealoom.com, ideapad.com, ideabox.com, ideabase.com, ideakit.com, idealab.com,
  ideacraft.com, ideamint.com, ideaspark.com, ideastack.com, ideavault.com, ideawave.com,
  ideagrove.com, ideahaven.com, ideaforge.com, ideabloom.com, mindwise.com, mindnest.com,
  mindflow.com, mindhub.com, mindloom.com, mindpad.com, mindbox.com, mindbase.com, mindkit.com,
  mindlab.com, mindcraft.com, mindmint.com, mindspark.com, mindstack.com, mindvault.com,
  mindwave.com, mindgrove.com, mindhaven.com, mindforge.com, mindbloom.com, brainwise.com,
  brainnest.com, brainflow.com, brainhub.com, brainloom.com, brainpad.com, brainbox.com,
  brainbase.com, brainkit.com, brainlab.com, braincraft.com, brainmint.com, brainspark.com,
  brainstack.com, brainvault.com, brainwave.com, braingrove.com, brainhaven.com, brainforge.com,
  brainbloom.com, thinkwise.com, thinknest.com, thinkflow.com, thinkhub.com, thinkloom.com,
  thinkpad.com, thinkbox.com, thinkbase.com, thinkkit.com, thinklab.com, thinkcraft.com,
  thinkmint.com, thinkspark.com, thinkstack.com, thinkvault.com, thinkwave.com, thinkgrove.com,
  thinkhaven.com, thinkforge.com, thinkbloom.com, clipwise.com, clipnest.com, clipflow.com,
  cliphub.com, cliploom.com (in deletion, may become available soon), clippad.com, clipbox.com,
  clipbase.com, clipkit.com, cliplab.com, clipcraft.com, clipmint.com, clipspark.com, clipstack.com,
  clipvault.com, clipwave.com, clipgrove.com, cliphaven.com, clipforge.com, clipbloom.com,
  snapwise.com, snapnest.com, snapflow.com, snaphub.com, snaploom.com, snappad.com, snapbox.com,
  snapbase.com, snapkit.com, snaplab.com, snapcraft.com, snapmint.com, snapspark.com, snapstack.com,
  snapvault.com, snapwave.com, snapgrove.com, snaphaven.com, snapforge.com, snapbloom.com,
  storywise.com, storynest.com, storyflow.com, storyhub.com, storyloom.com, storypad.com,
  storybox.com, storybase.com, storykit.com, storylab.com, storycraft.com, storymint.com,
  storyspark.com, storystack.com, storyvault.com, storywave.com, storygrove.com, storyhaven.com,
  storyforge.com, storybloom.com, leafwise.com, leafnest.com, leafflow.com, leafhub.com,
  leafloom.com, leafpad.com, leafbox.com, leafbase.com, leafkit.com, leaflab.com, leafcraft.com,
  leafmint.com, leafspark.com, leafstack.com, leafvault.com, leafwave.com, leafgrove.com,
  leafhaven.com, leafforge.com, leafbloom.com, foliowise.com, folionest.com, folioflow.com,
  foliohub.com, folioloom.com, foliopad.com, foliobox.com, foliobase.com, foliokit.com,
  foliolab.com, foliocraft.com, foliomint.com, foliospark.com, foliostack.com, foliovault.com,
  foliowave.com, foliogrove.com, foliohaven.com, folioforge.com, glyphwise.com,
  glyphnest.com (in deletion, may become available soon), glyphflow.com, glyphhub.com,
  glyphloom.com, glyphpad.com, glyphbox.com, glyphbase.com, glyphkit.com, glyphlab.com,
  glyphcraft.com, glyphmint.com, glyphspark.com, glyphstack.com, glyphvault.com, glyphwave.com,
  glyphgrove.com, glyphhaven.com, glyphforge.com, marginwise.com, marginnest.com, marginflow.com,
  marginhub.com, marginloom.com, marginpad.com, marginbox.com, marginbase.com, marginkit.com,
  marginlab.com, margincraft.com, marginmint.com, marginspark.com, marginstack.com, marginvault.com,
  marginwave.com, margingrove.com, marginhaven.com, marginforge.com, marginbloom.com,
  outlinewise.com, outlineflow.com, outlinehub.com, outlinepad.com, outlinebox.com, outlinebase.com,
  outlinekit.com, outlinelab.com, outlinecraft.com, outlinevault.com, outlineforge.com,
  outlinebloom.com, pencilwise.com, pencilnest.com, pencilflow.com, pencilhub.com, pencilpad.com,
  pencilbox.com, pencilbase.com, pencilkit.com, pencillab.com, pencilcraft.com, pencilspark.com,
  pencilvault.com, pencilgrove.com, pencilforge.com, paperwise.com, papernest.com, paperflow.com,
  paperhub.com, paperloom.com, paperpad.com, paperbox.com, paperbase.com, paperkit.com,
  paperlab.com, papercraft.com, papermint.com, paperspark.com, paperstack.com, papervault.com,
  paperwave.com, papergrove.com, paperhaven.com, paperforge.com, paperbloom.com, notchwise.com,
  notchnest.com, notchflow.com, notchhub.com, notchpad.com, notchbox.com, notchbase.com,
  notchkit.com, notchlab.com, notchcraft.com, notchstack.com, notchwave.com, versewise.com,
  versenest.com, verseflow.com, versehub.com, verseloom.com, versepad.com, versebox.com,
  versebase.com, versekit.com, verselab.com, versecraft.com, versemint.com, versespark.com,
  versestack.com, versevault.com, versewave.com, versegrove.com, versehaven.com, verseforge.com,
  versebloom.com, threadwise.com, threadnest.com, threadflow.com, threadhub.com, threadloom.com,
  threadpad.com, threadbox.com, threadbase.com, threadkit.com, threadlab.com, threadcraft.com,
  threadmint.com, threadspark.com, threadstack.com, threadvault.com, threadwave.com,
  threadgrove.com, threadhaven.com, threadforge.com, threadbloom.com

Names without a TLD are tried in .com, .net and .ai. With only a few free domains, each gets links to every registrar.

$ npx @dakaio/domainscout-mcp check quillfern lumaforge getquillfern
Checked 9 domain(s) in 1.5s: 5 available, 4 taken.

AVAILABLE (where to buy, cheapest first):
- quillfern.net
  Cloudflare: $11.86/yr, renews at $11.86/yr: https://www.cloudflare.com/domains/search/?q=quillfern.net
  Porkbun: $12.52/yr, renews at $12.52/yr: https://porkbun.com/checkout/search?q=quillfern.net
  Namecheap: https://www.namecheap.com/domains/registration/results/?domain=quillfern.net
  Spaceship: https://www.spaceship.com/domain-search/?query=quillfern.net
  GoDaddy: https://www.godaddy.com/domainsearch/find?domainToCheck=quillfern.net
  Name.com: https://www.name.com/domain/search/quillfern.net
  Dynadot: https://www.dynadot.com/domain/search?domain=quillfern.net
  NameSilo: https://www.namesilo.com/domain/search-domains?query=quillfern.net
  Hover: https://www.hover.com/domains/results?q=quillfern.net
- quillfern.ai
  Sold for at least 2 years at a time.
  Cloudflare: $80.00/yr, renews at $80.00/yr: https://www.cloudflare.com/domains/search/?q=quillfern.ai
  Porkbun: $82.70/yr, renews at $82.70/yr: https://porkbun.com/checkout/search?q=quillfern.ai
  Namecheap: https://www.namecheap.com/domains/registration/results/?domain=quillfern.ai
  Spaceship: https://www.spaceship.com/domain-search/?query=quillfern.ai
  GoDaddy: https://www.godaddy.com/domainsearch/find?domainToCheck=quillfern.ai
  Name.com: https://www.name.com/domain/search/quillfern.ai
  Dynadot: https://www.dynadot.com/domain/search?domain=quillfern.ai
  NameSilo: https://www.namesilo.com/domain/search-domains?query=quillfern.ai
  Hover: https://www.hover.com/domains/results?q=quillfern.ai
- getquillfern.com
  Cloudflare: $10.46/yr, renews at $10.46/yr: https://www.cloudflare.com/domains/search/?q=getquillfern.com
  Porkbun: $11.08/yr, renews at $11.08/yr: https://porkbun.com/checkout/search?q=getquillfern.com
  Namecheap: https://www.namecheap.com/domains/registration/results/?domain=getquillfern.com
  Spaceship: https://www.spaceship.com/domain-search/?query=getquillfern.com
  GoDaddy: https://www.godaddy.com/domainsearch/find?domainToCheck=getquillfern.com
  Name.com: https://www.name.com/domain/search/getquillfern.com
  Dynadot: https://www.dynadot.com/domain/search?domain=getquillfern.com
  NameSilo: https://www.namesilo.com/domain/search-domains?query=getquillfern.com
  Hover: https://www.hover.com/domains/results?q=getquillfern.com
- getquillfern.net
  Cloudflare: $11.86/yr, renews at $11.86/yr: https://www.cloudflare.com/domains/search/?q=getquillfern.net
  Porkbun: $12.52/yr, renews at $12.52/yr: https://porkbun.com/checkout/search?q=getquillfern.net
  Namecheap: https://www.namecheap.com/domains/registration/results/?domain=getquillfern.net
  Spaceship: https://www.spaceship.com/domain-search/?query=getquillfern.net
  GoDaddy: https://www.godaddy.com/domainsearch/find?domainToCheck=getquillfern.net
  Name.com: https://www.name.com/domain/search/getquillfern.net
  Dynadot: https://www.dynadot.com/domain/search?domain=getquillfern.net
  NameSilo: https://www.namesilo.com/domain/search-domains?query=getquillfern.net
  Hover: https://www.hover.com/domains/results?q=getquillfern.net
- getquillfern.ai
  Sold for at least 2 years at a time.
  Cloudflare: $80.00/yr, renews at $80.00/yr: https://www.cloudflare.com/domains/search/?q=getquillfern.ai
  Porkbun: $82.70/yr, renews at $82.70/yr: https://porkbun.com/checkout/search?q=getquillfern.ai
  Namecheap: https://www.namecheap.com/domains/registration/results/?domain=getquillfern.ai
  Spaceship: https://www.spaceship.com/domain-search/?query=getquillfern.ai
  GoDaddy: https://www.godaddy.com/domainsearch/find?domainToCheck=getquillfern.ai
  Name.com: https://www.name.com/domain/search/getquillfern.ai
  Dynadot: https://www.dynadot.com/domain/search?domain=getquillfern.ai
  NameSilo: https://www.namesilo.com/domain/search-domains?query=getquillfern.ai
  Hover: https://www.hover.com/domains/results?q=getquillfern.ai
Not confirmed by a registrar means: not found in the registry or DNS. Prices are standard list
prices; premium or reserved names look the same, so the registrar's page shows the final price.

TAKEN: quillfern.com, lumaforge.com, lumaforge.net (until 2027-08-13), lumaforge.ai

A name with a TLD is checked exactly as given; URLs are reduced to their domain.

$ npx @dakaio/domainscout-mcp check getacme.io https://www.example.org/about acme --tlds dev,app
Checked 4 domain(s) in 3.0s: 1 available, 3 taken.

AVAILABLE (where to buy, cheapest first):
- getacme.io
  Porkbun: $28.12/yr, renews at $51.80/yr: https://porkbun.com/checkout/search?q=getacme.io
  Cloudflare: $32.00/yr, renews at $50.00/yr: https://www.cloudflare.com/domains/search/?q=getacme.io
  Namecheap: https://www.namecheap.com/domains/registration/results/?domain=getacme.io
  Spaceship: https://www.spaceship.com/domain-search/?query=getacme.io
  GoDaddy: https://www.godaddy.com/domainsearch/find?domainToCheck=getacme.io
  Name.com: https://www.name.com/domain/search/getacme.io
  Dynadot: https://www.dynadot.com/domain/search?domain=getacme.io
  NameSilo: https://www.namesilo.com/domain/search-domains?query=getacme.io
  Hover: https://www.hover.com/domains/results?q=getacme.io
Not confirmed by a registrar means: not found in the registry or DNS. Prices are standard list
prices; premium or reserved names look the same, so the registrar's page shows the final price.

TAKEN: example.org, acme.dev, acme.app

The same data the MCP tool returns as structured content.

$ npx @dakaio/domainscout-mcp check getquillfern.com --json
{
  "summary": {
    "available": 0,
    "likely_available": 1,
    "taken": 0,
    "reserved": 0,
    "unknown": 0,
    "total": 1,
    "elapsed_ms": 1049
  },
  "results": [
    {
      "domain": "getquillfern.com",
      "display": "getquillfern.com",
      "input": "getquillfern.com",
      "tld": "com",
      "status": "likely_available",
      "note": "Not in the registry. Premium or reserved names can look the same; the registrar shows the final price.",
      "evidence": [
        {
          "source": "dns",
          "result": "nxdomain",
          "ms": 33
        },
        {
          "source": "rdap",
          "result": "not_found",
          "server": "rdap.verisign.com",
          "ms": 660
        }
      ],
      "buy": [
        {
          "registrar": "Cloudflare",
          "url": "https://www.cloudflare.com/domains/search/?q=getquillfern.com",
          "affiliate": false,
          "price": {
            "registration": 10.46,
            "renewal": 10.46,
            "currency": "USD",
            "minYears": 1,
            "source": "cfdomainpricing.com (community mirror of Cloudflare's prices)",
            "updated": "2026-10-06"
          }
        },
        {
          "registrar": "Porkbun",
          "url": "https://porkbun.com/checkout/search?q=getquillfern.com",
          "affiliate": false,
          "price": {
            "registration": 11.08,
            "renewal": 11.08,
            "currency": "USD",
            "minYears": 1,
            "source": "Porkbun price API"
          }
        },
        {
          "registrar": "Namecheap",
          "url": "https://www.namecheap.com/domains/registration/results/?domain=getquillfern.com",
          "affiliate": false
        },
        {
          "registrar": "Spaceship",
          "url": "https://www.spaceship.com/domain-search/?query=getquillfern.com",
          "affiliate": false
        },
        {
          "registrar": "GoDaddy",
          "url": "https://www.godaddy.com/domainsearch/find?domainToCheck=getquillfern.com",
          "affiliate": false
        },
        {
          "registrar": "Name.com",
          "url": "https://www.name.com/domain/search/getquillfern.com",
          "affiliate": false
        },
        {
          "registrar": "Dynadot",
          "url": "https://www.dynadot.com/domain/search?domain=getquillfern.com",
          "affiliate": false
        },
        {
          "registrar": "NameSilo",
          "url": "https://www.namesilo.com/domain/search-domains?query=getquillfern.com",
          "affiliate": false
        },
        {
          "registrar": "Hover",
          "url": "https://www.hover.com/domains/results?q=getquillfern.com",
          "affiliate": false
        }
      ]
    }
  ],
  "invalid": [],
  "tlds": [
    "com",
    "net",
    "ai"
  ],
  "warnings": [],
  "elapsedMs": 1049
}

Install

Node 20 or newer. Then add the server to your MCP client and ask about any names.

claude mcp add domainscout -- npx -y @dakaio/domainscout-mcp

One click: download the DomainScout extension and open it; Claude Desktop installs it and lets you set the options. Or add the server to claude_desktop_config.json by hand (Settings → Developer → Edit Config):

{
  "mcpServers": {
    "domainscout": {
      "command": "npx",
      "args": ["-y", "@dakaio/domainscout-mcp"],
      "env": { "DOMAINSCOUT_TLDS": "com,net,ai,io" }
    }
  }
}

On Windows, if npx is not found, use "command": "cmd" with "args": ["/c", "npx", "-y", "@dakaio/domainscout-mcp"].

Add to .cursor/mcp.json in your project, or to the global MCP settings:

{
  "mcpServers": {
    "domainscout": {
      "command": "npx",
      "args": ["-y", "@dakaio/domainscout-mcp"]
    }
  }
}
npx @dakaio/domainscout-mcp check acme getacme --tlds com,io,dev

Settings

All optional, set as environment variables in the MCP config.

VariableDefaultWhat it does
DOMAINSCOUT_TLDScom,net,aiTLDs tried for names given without one
DOMAINSCOUT_REGISTRARSallRegistrars to show buy links for
DOMAINSCOUT_MAX_CONCURRENCY10Network requests in flight at once
DOMAINSCOUT_CONFIRM_MAX50Free domains per call confirmed through your registrar API
DOMAINSCOUT_PRICESonPublic price lists
DOMAINSCOUT_AFFILIATEonAffiliate buy links; off gives plain links

Registrar API keys (Name.com, Cloudflare, Spaceship, Porkbun) and every other setting are described in the README.

Questions and answers

If a domain is not in WHOIS, is it really free?

Almost always. Premium and registry-reserved names look the same in the registry, so DomainScout reports them as likely available, and confirms them when you add a registrar API key.

Is a domain without a website free?

No. A domain that was bought but never set up has no DNS, but the registry still lists it, so DomainScout reports it as taken.

How many names can I check at once?

Up to 500 domains in one call by default - a whole AI brainstorm at once - and DOMAINSCOUT_MAX_DOMAINS raises the limit to 10,000. Names that are already taken are settled in DNS within seconds; only the rest go to the registries, at a polite pace.

Do I need an account or an API key?

No. Everything works without keys. A registrar API key is optional and makes the answer exact for premium names and prices.

Which TLDs can it check?

Any TLD with RDAP or WHOIS, which is nearly all of them. Names without a TLD are tried in .com, .net and .ai unless you set others.

Is DomainScout free?

Yes, open source under the MIT license. Some buy links may be affiliate links: buying through them can support the project at no extra cost to you. Links are always sorted by price, never by commission, and DOMAINSCOUT_AFFILIATE=off turns them off.

Where does my data go?

Straight from your machine to DNS, the registries, two public price lists and, if you add keys, your registrar's API. There is no DomainScout server.