MCP (Model Context Protocol) server for CatchDoms — search expired and auction domains from 16 platforms plus 100k+ aged ccTLD domains at registration price, all enriched with SEO metrics.
Use this server to let AI assistants (Claude, Cursor, Windsurf, etc.) search for expired domains, check auction prices, and find high-value domains programmatically.
Try it instantly — no signup required:
{
"mcpServers": {
"catchdoms": {
"url": "https://catchdoms.com/mcp/catchdoms/free",
"transport": "sse"
}
}
}Free tier includes: Top 50 domains per search, first 10 names visible, basic SEO metrics. Trust Flow, Citation Flow, and GMB detection require Pro.
{
"mcpServers": {
"catchdoms": {
"url": "https://catchdoms.com/mcp/catchdoms",
"transport": "sse",
"headers": {
"Authorization": "Bearer YOUR_API_KEY"
}
}
}
}Get your API key: Sign up for free → API Settings → See pricing
| Feature | Free | Pro | Authority |
|---|---|---|---|
| Domains per search | 50 | Unlimited | Unlimited |
| Visible domain names | 10 | All | All |
| Trust Flow / Citation Flow | Hidden | Yes | Yes |
| GMB detection | Hidden | Yes | Yes |
get_domain tool |
No | Yes | Yes |
| Aged domains (regfee, 100k+) | No | No | Yes |
| Rate limit | 3 req/min | 15 req/min | 60 req/min |
Search for domains with filters. Returns up to 100 results sorted by quality.
Parameters:
| Parameter | Type | Description |
|---|---|---|
source |
string | Filter by platform: dynadot, catched, dropcatch, godaddy, gname, snapnames, ukdroplists, subreg, webexpire, parkio, bloomup, seodomains, nameshift, nicsell, gnews-domains, backorders-domains, regfree (Authority only) |
tld |
string | Filter by TLD (.com, .fr, .de). Comma-separated for multiple. |
score_min |
integer | Minimum quality score (0-100). 50+ = good, 70+ = excellent. |
age_min |
integer | Minimum domain age in years (Wayback first snapshot). |
language |
string | Detected language code (EN, FR, DE, ES, etc.). |
contains |
string | Keyword the domain name must contain. |
has_bids |
boolean | Only domains with active auction bids. |
has_backlinks |
boolean | Only domains with referring domains. |
has_gmb |
boolean | Only domains with a Google Business listing. |
has_edu_gov |
boolean | Only domains with .edu or .gov backlinks. |
da_min |
integer | Minimum Domain Authority (0-100). |
rd_min |
integer | Minimum referring domains count. |
tf_min |
integer | Minimum Trust Flow (0-100). |
cf_min |
integer | Minimum Citation Flow (0-100). |
categories |
string | TTF topic categories, comma-separated (e.g., Business,Health). |
price_min |
number | Minimum price/bid (USD). |
price_max |
number | Maximum price/bid (USD). |
snapshots_min |
integer | Minimum Wayback Machine snapshots. |
limit |
integer | Results to return (1-100, default 50). |
Example prompt:
Find me French .fr domains with a quality score above 50, at least 10 years old, under $500
Get full details for a specific domain.
| Parameter | Type | Description |
|---|---|---|
domain_id |
integer | Domain ID |
domain_name |
string | Domain name (e.g., example.com) |
Get available filter options with counts — sources, TLDs, and languages.
No parameters.
Get platform statistics — total domains, new today, by source, SEO coverage.
No parameters.
16 auction & marketplace sources, refreshed daily:
| Source | Type |
|---|---|
| Dynadot | Closeouts (fixed $5-$30) + auctions |
| GoDaddy | Expiring auctions + closeouts |
| DropCatch | Auctions (Dropped, Pre-Release) |
| Catched | Auctions + backorder |
| Gname | Auctions + buy now |
| SnapNames | Pre-release + closeout |
| UK Backorder | UK dropping/expired |
| Subreg | Expiring auctions |
| WebExpire | French .fr auctions |
| Park.io | Premium auctions |
| BloomUp | French .fr auctions + buy now |
| SEO.Domains | Buy now with SEO metrics |
| NameShift | Premium buy-now / make offer |
| Nicsell | European ccTLD auctions (top-auktionen) |
| Gnews Domains | Hand-curated premium news domains, buy-now |
| Backorders Domains | Niche ccTLD auctions (.ie, .si, .paris, .tw, .ph, .mx…) |
100k+ aged ccTLD domains across 60+ TLDs (.fr, .de, .it, .co.uk, .nl, .id, .kz and dozens more) available at registration price. No auction, no bidding war. Same SEO enrichment (TF/CF/DA/backlinks/Wayback) on every entry. Use source=regfree from the MCP search_domains tool with an Authority API key.
Every domain is enriched with:
- Quality Score (0-100) — composite score based on age, authority, backlinks, name quality
- Domain Authority (0-100) — from DataForSEO
- Trust Flow / Citation Flow (0-100) — from Majestic via SEObserver
- TTF Topic — topical category (e.g.,
Business/Marketing) - Referring Domains — unique linking domains count
- Backlinks — total backlink count
- PageRank (0-10) — Open PageRank
- Domain Age — from Wayback Machine first snapshot
- Language — detected from archived content
- Google Business — GMB listing detection
Each domain includes:
{
"id": 12345,
"name": "example.fr",
"tld": ".fr",
"source": "webexpire",
"type": "auction",
"score": 72,
"price": 150.00,
"max_bid": 210.00,
"bids_count": 4,
"auction_end_date": "2026-04-07T15:00:00+00:00",
"age": 19,
"domain_authority": 28,
"trust_flow": 22,
"citation_flow": 16,
"ttf_topic": "Business/Marketing",
"referring_domains": 216,
"backlinks_count": 2000,
"language": "FR",
"has_gmb": false,
"purchase_url": "https://www.webexpire.com/...",
"purchase_platform": "WebExpire"
}CatchDoms also offers a REST API at https://catchdoms.com/api/domains. Full documentation.
- Website: catchdoms.com
- API Docs: catchdoms.com/api/docs
- Pricing: catchdoms.com/pricing
MIT