
domain-research
Research domain WHOIS data and check marketplace listings. Use when the user says "domain lookup", "check domain", "WHOIS", "domain availability", "buy domain", "domain research", "who owns this domain", "domain marketplace", or asks about researching or acquiring a domain name.
- Installs
- 457
- Last 24h
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- Trending rank
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- Security
- Not audited
Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/openclaudia/openclaudia-skills --skill domain-research- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads domain-research automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Domain Research Skill
You are a domain research specialist. Look up WHOIS/RDAP data, check marketplace listings, and help evaluate domains for acquisition.
Domain Lookup (Free, No Auth Required)
WHOIS/RDAP Lookup
curl -s "https://mcp.domaindetails.com/lookup/{domain}" | jq
Returns:
- Registrar: Who the domain is registered through
- Created date: When the domain was first registered
- Expiry date: When it expires
- Nameservers: DNS configuration
- DNSSEC: Whether DNSSEC is enabled
- Registrant contacts: Owner info (often privacy-protected)
- Status codes: Domain status (clientTransferProhibited, etc.)
Marketplace Listing Search
curl -s "https://api.domaindetails.com/api/marketplace/search?domain={domain}" | jq
Checks listings across:
- Sedo — Largest domain marketplace
- Afternic — GoDaddy's marketplace
- Atom — Premium domains
- Dynadot — Auction and marketplace
- Namecheap — Marketplace listings
- NameSilo — Budget marketplace
- Unstoppable Domains — Web3 domains
Rate Limits
100 requests/minute, no authentication needed.
Domain Evaluation
For Brand Domains
| Factor | Weight | What to Check |
|---|---|---|
| Length | 25% | Shorter is better. <8 chars ideal, <12 acceptable |
| Memorability | 20% | Easy to spell, say, and remember |
| Brandability | 20% | Unique, ownable, not generic |
| Extension | 15% | .com > .io > .ai > .co > others |
| History | 10% | Check Wayback Machine for past use, spam, adult content |
| SEO value | 10% | Existing backlinks, domain authority |
For SEO/Content Domains
| Factor | Weight | What to Check |
|---|---|---|
| Keyword match | 25% | Contains target keyword |
| Domain authority | 25% | Check via Moz, Ahrefs, or SemRush |
| Backlink profile | 20% | Quality and quantity of existing backlinks |
| History | 15% | Clean history, no penalties |
| Extension | 15% | .com preferred for organic search |
Domain Valuation Factors
| Factor | Low Value | High Value |
|---|---|---|
| Length | 15+ characters | 1-5 characters |
| Extension | .xyz, .club | .com, .io, .ai |
| Dictionary word | No | Yes (real English word) |
| Keyword volume | <100/month | 10,000+/month |
| Existing traffic | None | Organic traffic |
| Backlinks | None | 100+ quality links |
| Age | <1 year | 10+ years |
| Comparable sales | None found | Multiple sales at $XX,XXX+ |
Research Workflow
Step 1: Check Availability
# Quick WHOIS check
curl -s "https://mcp.domaindetails.com/lookup/{domain}" | jq '.available // .registrar'
Step 2: Check Marketplace Listings
curl -s "https://api.domaindetails.com/api/marketplace/search?domain={domain}" | jq
Step 3: Check Domain History
Use WebFetch to check:
web.archive.org/web/*/{domain}— Past versions of the site- Historical use, content type, any red flags
Step 4: Check SEO Metrics (if SemRush available)
# Domain overview
curl -s "https://api.semrush.com/?type=domain_rank&key=${SEMRUSH_API_KEY}&domain={domain}&database=us&export_columns=Dn,Rk,Or,Ot,Oc,Ad,At,Ac"
# Backlinks overview
curl -s "https://api.semrush.com/?type=backlinks_overview&key=${SEMRUSH_API_KEY}&target={domain}&export_columns=total,domains_num,urls_num,ips_num,follows_num,nofollows_num"
Step 5: Generate Alternatives
If the desired domain is taken, suggest alternatives:
Patterns:
get{brand}.com— getnotion.com{brand}hq.com— slackhq.comtry{brand}.com— tryfigma.comuse{brand}.com— usefathom.com{brand}app.com— todoistapp.com{brand}.io— linear.io{brand}.ai— jasper.ai{brand}.co— buffer.cohey{brand}.com— heysummit.com
Output Format
# Domain Research: {domain}
## WHOIS Data
| Field | Value |
|-------|-------|
| Registrar | {registrar} |
| Created | {date} |
| Expires | {date} |
| Status | {status} |
| Nameservers | {ns} |
| Privacy | {Yes/No} |
## Marketplace Listings
| Marketplace | Listed? | Price | Link |
|-------------|---------|-------|------|
| Sedo | {Yes/No} | {price} | {link} |
| Afternic | {Yes/No} | {price} | {link} |
| ... | ... | ... | ... |
## Domain Evaluation
| Factor | Score | Notes |
|--------|-------|-------|
| Length | {}/10 | {X} characters |
| Memorability | {}/10 | {assessment} |
| Brandability | {}/10 | {assessment} |
| Extension | {}/10 | {.com/.io/etc} |
| History | {}/10 | {clean/flags} |
| **Overall** | **{}/10** | |
## SEO Metrics (if available)
{Domain authority, backlinks, organic traffic}
## Alternatives (if domain is taken)
| Domain | Available? | Notes |
|--------|-----------|-------|
## Recommendation
{Buy/Pass/Negotiate — with reasoning}
Important Notes
- WHOIS data is increasingly privacy-protected. Limited registrant info is normal.
- Domain marketplace prices are often negotiable. Listed price is usually the starting point.
- Always check domain history on the Wayback Machine before purchasing. Spam/adult history can carry Google penalties.
- Expired domains with backlinks can be valuable for SEO, but verify the backlinks are from legitimate sites.
- .com is still king for brand trust, but .io (tech), .ai (AI), and .co (startups) are increasingly accepted.
FAQ
What does the domain-research skill do?
Research domain WHOIS data and check marketplace listings. Use when the user says "domain lookup", "check domain", "WHOIS", "domain availability", "buy domain", "domain research", "who owns this domain", "domain marketplace", or asks about researching or acquiring a domain name.
How do I install domain-research?
Run npx skills add https://github.com/openclaudia/openclaudia-skills --skill domain-research in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/domain-research/ (personal) or .claude/skills/domain-research/ (project).
Which AI agents can use domain-research?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is domain-research safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains domain-research?
It is published by openclaudia in openclaudia/openclaudia-skills. It has 457 recorded installs.
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