tldx openai -p get,use -s ly,hub -t com,io,ai --only-available
✅ getopenaily.com is available
✅ useopenaihub.io is available
  ...

Usage:
  tldx [keywords] [flags]
  tldx [command]

Available Commands:
  completion       Generate the autocompletion script for the specified shell
  config           Inspect and manage the tldx config file
  help             Help about any command
  mcp              Start an MCP (Model Context Protocol) server over stdio
  preset           Manage custom TLD presets

Flags:
      --dry-run                 Print domains that would be checked without making network calls
      --for-sale                Check taken domains for an RFC 10023 _for-sale TXT record
  -f, --format string           Format of output (text, json, json-stream, json-array, csv, grouped, grouped-tld) (default "text")
  -h, --help                    help for tldx
  -i, --input string            File to read keywords from. Use "-" to read from stdin.
  -l, --limit int               Stop after finding this many available domains (0 = no limit)
  -m, --max-domain-length int   Maximum length of domain name (default 64)
      --no-color                Disable colored output
  -a, --only-available          Show only available domains
      --only-for-sale           Show only taken domains that are for sale (implies --for-sale)
  -p, --prefixes strings        Prefixes to add (e.g. get,my,use)
  -r, --regex                   Enable regex pattern matching for domain keywords
      --show-stats              Show statistics at the end of execution
  -s, --suffixes strings        Suffixes to add (e.g. ify,ly)
      --tld-preset string       Use a tld preset (e.g. popular, tech)
  -t, --tlds strings            TLDs to check (e.g. com,io,ai)
  -v, --verbose                 Show verbose output
      --version                 version for tldx

$ tldx google
❌ google.com is not available

$ tldx google youtube reddit
  ❌ reddit.com is not available
  ❌ google.com is not available
  ❌ youtube.com is not available

# All 3-letter .com domains
$ tldx '[a-z]{3}' --regex --tlds com --only-available
  ✅ aaa.com is available
  ✅ aab.com is available
  ...

# All 2-letter domains on specific TLDs
$ tldx '[a-z]{2}' --regex --tlds io,ai --only-available
  ✅ qa.io is available
  ✅ zx.ai is available
  ...

# Patterns combine with prefixes
$ tldx '[a-z]{2}' --regex --prefixes my,get --tlds app --only-available
  ✅ myaa.app is available
  ✅ getab.app is available
  ...

$ tldx google --tld-preset popular
  ❌ google.com is not available
  ❌ google.io is not available
  ...

$ tldx google --tld-preset geo
  ❌ google.au is not available
  ❌ google.de is not available
  ❌ google.us is not available
  ...

$ tldx preset list

TLD Presets  (* = custom):

all                     (use all available TLDs)

cheap                   pw fun icu top xyz blog info shop site click
                        space store online website

popular                 ai me app com dev net org

tech                    io ai gg app dev tech codes tools cloud games
                        software digital network security systems
                        data technology
...

# Create a preset
$ tldx preset add myteam com io ai
Saved preset "myteam" (com, io, ai) → ~/.config/tldx/config.toml

# Comma-separated also works
$ tldx preset add myteam com,io,ai

# Use it just like any built-in preset
$ tldx mystartup --tld-preset myteam
  ❌ mystartup.com is not available
  ✅ mystartup.io is available
  ✅ mystartup.ai is available

# List all presets.
$ tldx preset list

TLD Presets  (* = custom):

all                       (use all available TLDs)

myteam *                  ai io com
popular                   ai io app com dev net org
...

Config file: ~/.config/tldx/config.toml

# Remove a custom preset
$ tldx preset remove myteam
Removed preset "myteam"

$ tldx preset default nordic
Default preset set to "nordic" → ~/.config/tldx/config.toml

$ tldx mystartup
  ✅ mystartup.se is available
  ✅ mystartup.nu is available
  ❌ mystartup.dk is not available

# Show the current default, or drop it
$ tldx preset default
Default preset: nordic

$ tldx preset default --clear
Cleared default preset (was "nordic") → ~/.config/tldx/config.toml

[defaults]
# TLDs checked when neither --tlds nor --tld-preset is given
tlds = ["com", "se", "nu"]

# ...or a preset name instead
# tld_preset = "nordic"

prefixes = ["get", "my"]
suffixes = ["ly"]
max_domain_length = 20
format = "json"
limit = 10
only_available = true
show_stats = true
no_color = false
verbose = false

# Read RFC 10023 "_for-sale" records on taken domains.
# only_for_sale implies for_sale.
for_sale = true
only_for_sale = false

# Custom presets, usable via --tld-preset nordic
[presets.nordic]
tlds = ["se", "nu", "dk", "no", "fi"]

$ tldx config path    # where the file lives
$ tldx config show    # what's currently configured
$ tldx config init    # write a commented template (--force to overwrite)

$ tldx google --prefixes get,my --suffixes ly,hub --tlds com,io,ai
  ✅ mygooglely.com is available
  ✅ getgooglely.ai is available
  ❌ mygoogle.ai is not available
  ...

tldx {get,use}{tldx,domains} {star,fork}ongithub
  ✅ gettldx.com is available
  ✅ usetldx.com is available
  ❌ getdomains.com is not available
  ...

$ tldx acme -t com,io --for-sale
  ❌ acme.io is not available
  💰 acme.com is taken but for sale — USD 750 · https://fs.example.com/

$ tldx acme wile coyote -t com,io --only-for-sale
$ tldx acme wile coyote -t com,io --only-available --only-for-sale

_for-sale.acme.com. IN TXT "v=FORSALE1;fval=USD750"
                    IN TXT "v=FORSALE1;furi=https://fs.example.com/"

$ tldx google reddit facebook -p get,my -s ly,hub -t com,io,ai --only-available
  ✅ getgooglely.ai is available
  ✅ getreddithub.com is available
  ...

$ tldx stripe -p get,use -t com,io,ai --only-available --limit 3
  ✅ getstripe.io is available
  ✅ usestripe.ai is available
  ✅ stripe.ai is available

$ tldx stripe -p get,use -t com,io --dry-run
Would check 6 domain(s):
  stripe.com
  stripe.io
  getstripe.com
  ...

$ tldx --input keywords.txt --tlds com,io --only-available
$ echo -e "stripe\natlas\nlinear" | tldx --input - --tlds com,io --only-available

$ tldx openai -p use -s ly -t io --format json-array
[
  { "domain": "useopenaily.io", "available": true, "keyword": "openai", "prefix": "use", "suffix": "ly", "tld": "io" },
  { "domain": "openai.io", "available": false, "keyword": "openai", "tld": "io" },
  ...
]

$ tldx openai -p use -s ly -t io --format json-array --show-stats
{
  "results": [ ... ],
  "stats": { "total": 4, "available": 1, "not_available": 2, "errored": 1 }
}

$ tldx openai -p use -s ly -t io --format json-stream
{"domain":"useopenaily.io","available":true,"keyword":"openai","prefix":"use","suffix":"ly","tld":"io"}
{"domain":"openai.io","available":false,"keyword":"openai","tld":"io"}

$ tldx openai -p use -s ly -t io --format csv
domain,available,keyword,prefix,suffix,tld,details,error
useopenaily.io,true,openai,use,ly,io,
openai.io,false,openai,,,io,

$ tldx openai google -p get,use -t com,io --format grouped

  google
  getgoogle.com
  getgoogle.io
  google.com
  google.io
  usegoogle.com
  usegoogle.io

  openai
  getopenai.com
  ...

$ tldx openai google -p get,use -t com,io --format grouped-tld

  .com
  getgoogle.com
  getopenai.com
  google.com
  openai.com
  usegoogle.com
  useopenai.com

  .io
  getgoogle.io
  ...

tldx mcp

{
  "mcpServers": {
    "tldx": {
      "command": "tldx",
      "args": ["mcp"]
    }
  }
}

brew install tldx

brew tap brandonyoungdev/tldx
brew install tldx

winget install --id=brandonyoungdev.tldx  -e

tar -xzf tldx_<version>_<os>_<arch>.tar.gz
mv tldx /usr/local/bin/

go install github.com/brandonyoungdev/tldx@latest