DomScan MCP

DomScan MCP Domain Intelligence Suite

Documentation

MCP Server

MCP Server for Domain Availability

Connect DomScan to your AI assistant for domain availability, WHOIS, DNS, valuation, and security checks. Works with Claude, ChatGPT, Cursor, and other MCP-compatible tools.

Claude Desktop ChatGPT Cursor IDE Available MCP Tools (92)

Quick Start with MCP Server

OAuth MCP Setup

https://domscan.net/mcp

Modern MCP clients discover OAuth automatically. Existing API-key configurations keep working.

Is cloudstartup.com available?

Choose your AI tool

Select Claude Desktop, ChatGPT, Cursor, or another MCP-compatible tool

Add the MCP server

Configure the DomScan MCP endpoint in your tool's settings

Start checking domains

Ask your AI to check domain availability in natural language

Quick Start

Connect with the MCP URL and authorize in your browser when prompted. DomScan keeps API-key authentication working for existing clients that cannot complete OAuth yet.

Track your usage across tools and sessions
Higher rate limits for heavy usage
Use your purchased credit balance

Tip: OAuth is preferred for new MCP clients. API keys still work through Authorization, X-API-Key, or the legacy api_key URL parameter when a client cannot use OAuth.

Quickstart

Use this MCP URL:

Choose Your AI Platform

🤖

Claude Desktop

Anthropic's AI assistant

💬

ChatGPT

OpenAI's AI assistant

⌨️

Cursor IDE

AI-powered code editor

🔌

Other MCP-Compatible Tools

Use the DomScan URL directly in clients that support remote MCP over HTTP. If a client only supports local/stdIO servers, wrap the URL with mcp-remote.

🤖 Claude Desktop

Claude Desktop Setup

Connect DomScan to Claude Desktop using the MCP configuration file.

Open the configuration file

Find your Claude Desktop config file at:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json

Windows: %APPDATA%\\Claude\\claude_desktop_config.json

Add the DomScan MCP server

Add this configuration to your mcpServers section:

Restart Claude Desktop

Close and reopen Claude Desktop to load the new configuration.

Start checking domains!

Ask Claude: "Is mycompany.com available?" or "Check startup across .com, .io, and .dev"

OAuth config:

Add the DomScan MCP server

{ "mcpServers": { "domscan": { "command": "npx", "args": ["-y", "mcp-remote", "https://domscan.net/mcp"] } } }

Tip: You need Node.js installed for the npx command to work. Download it from nodejs.org if you don't have it.

💬 ChatGPT

ChatGPT Setup

Connect DomScan to ChatGPT using custom connectors. Developer Mode and workspace permissions may be required.

Enable Developer Mode

Go to ChatGPT Settings:

Settings → Connectors → Advanced → Enable Developer Mode

Create a new Connector

In the Connectors section, click "Create" to add a new connector:

Settings → Connectors → Create

Configure the connector

Enter these details:

Start a new chat

In a new conversation, ChatGPT will have access to DomScan's domain checking tools.

Configure the connector

Name: DomScan

Description: Domain availability checker

URL: https://domscan.net/mcp

Authentication: OAuth (browser authorization); API-key fallback still supported

Note: OpenAI is still iterating on MCP/connectors. If menu names or access differ, check your current plan or workspace admin settings.

⌨️ Cursor IDE

Cursor IDE Setup

Add DomScan to Cursor for domain checking while coding.

Open MCP Settings

Access Cursor's MCP configuration:

Keyboard: Cmd+Shift+J (Mac) / Ctrl+Shift+J (Windows)

Menu: File → Preferences → Cursor Settings → Features → MCP

Create the config file

Create or edit the MCP configuration file:

Global: ~/.cursor/mcp.json

Project: .cursor/mcp.json (in your project root)

Add DomScan configuration

Add this to your mcp.json file:

Use in Composer

Open Cursor's Composer (Cmd+K) and ask about domain availability. The agent will automatically use DomScan when relevant.

OAuth config:

Add DomScan configuration

{ "mcpServers": { "domscan": { "url": "https://domscan.net/mcp" } } }

Tip: Check MCP logs with Cmd+Shift+U and select "MCP Logs" to debug any connection issues.

Other MCP-Compatible Tools

Compatible with: Windsurf, Continue.dev, Cody, and other MCP clients that support remote HTTP or an HTTP-to-stdio bridge.
Configure the DomScan MCP endpoint in your tool's settings
Ask your AI to check domain availability in natural language

# MCP Endpoint (Streamable HTTP)

OAuth is preferred; API-key fallback remains supported 10,000 free credits per month

Available MCP Tools (92)

DomScan provides comprehensive domain intelligence tools for your AI:

Domain Availability

get_status

Check if a domain name is available across multiple TLDs. The primary HTTP format uses "name" plus "tlds". The "name" parameter is the domain label WITHOUT the TLD (e.g., "google" not "google.com"). The "tlds" parameter is an array of TLD extensions. (costs 1 credit)

bulk_status

Check multiple complete domain names at once. Each domain must include the TLD (e.g., "google.com"). (1 credit per item)

coverage

Get information about which TLDs are supported by this API. (costs 1 credit)

Domain Intelligence

suggest_domains

Generate domain name suggestions based on keywords. Great for brainstorming available domains. (costs 2 credits)

domain_valuation

Estimate the market value of a domain name based on length, keywords, TLD, brandability, and market factors. (costs 1 credit)

bulk_domain_value

Get value estimates for multiple domains at once. Endpoint: POST /v1/value/bulk. (1 credit per item)

domain_health

Run comprehensive health checks on a domain including DNS, SSL, live TLS grading, HTTP version support, HSTS posture, SMTP TLS reachability, and MX FCrDNS. (costs 2 credits)

get_quick_health

Fast health check with essential metrics only. Endpoint: GET /v1/health/quick. (costs 1 credit)

compare_domains

Compare multiple domains side-by-side. Returns availability, valuation, brand score, and recommendations. (costs 2 credits)

get_domain_score

Calculate an overall domain quality score based on multiple factors. Endpoint: GET /v1/score. (costs 1 credit)

compare_brand_names

Compare up to 50 candidate brand names and return ranked scores. Endpoint: POST /v1/score/compare. (costs 2 credits)

get_score_info

Returns scoring dimensions, grade scale, and related scoring endpoints. Endpoint: GET /v1/score/info. (costs 0 credits)

get_domain_profile

Get normalized RDAP registration data: registrar, dates, nameservers, DNSSEC status. Endpoint: GET /v1/profile. (costs 2 credits)

domain_overview

Get comprehensive domain intelligence in one call. Returns DNS records, WHOIS/registration data, health check, and reputation score. Use this as a first step when investigating any domain. (costs 3 credits)

list_tlds

List all supported TLDs with optional filtering by type or trust tier. (costs 1 credit)

tld_info

Get detailed information about a TLD including pricing, restrictions, trust score, and use cases. (costs 1 credit)

DNS

dns_lookup

Lookup DNS records for a domain. Returns A, AAAA, MX, TXT, NS, CNAME, and other record types plus TXT classification and additive warnings. (costs 1 credit)

get_all_dns_records

Get all major DNS record types for a domain in a single call with IPv6 parity, TXT classification, wildcard probe, and warning signals. Endpoint: GET /v1/dns/all. (costs 2 credits)

dns_security

Analyze DNS security configuration including SPF, DKIM, DMARC, DNSSEC, CAA, MTA-STS, TLS-RPT, resolver latency, and AXFR exposure. (costs 2 credits)

dns_propagation

Check DNS propagation across multiple global DNS servers. (costs 2 credits)

get_dns_servers

Get list of global DNS servers used for propagation checks. Endpoint: GET /v1/dns/servers. (costs 0 credits)

dns_history

Get DNS record history for a domain showing how records have changed over time. (costs 2 credits)

spf_build

Build an SPF record from configuration options. (costs 1 credit)

spf_validate

Validate an SPF record syntax and check for common issues. (costs 1 credit)

spf_flatten

Flatten an SPF record by resolving includes to IP addresses. (costs 2 credits)

dmarc_build

Build a DMARC record from configuration options. (costs 1 credit)

dmarc_validate

Validate a DMARC record syntax and configuration. (costs 1 credit)

dkim_check

Check a DKIM selector and validate the public key record. (costs 1 credit)

dkim_discover

Discover DKIM selectors by checking common selector names. (costs 2 credits)

Security

typosquatting_check

Detect potential typosquatting domains for a given domain. Registered-domain checks are optional and slower. (costs 2 credits)

protection_score

Calculate how vulnerable a domain is to typosquatting attacks. Returns a protection score and recommendations. (costs 1 credit)

domain_reputation

Calculate a comprehensive reputation score for a domain based on DNS security, SSL, web presence, blacklist, parking, and email factors, including confidence metadata. (costs 2 credits)

search_certificates

Search Certificate Transparency logs to find all SSL certificates issued for a domain. Useful for discovering subdomains, monitoring certificate issuance, and security auditing. (costs 2 credits)

ssl_audit

Run a comprehensive live SSL/TLS audit for a domain, combining certificate, chain, revocation, HSTS, HTTP version, and TLS posture data. (costs 5 credits)

get_ssl_deep_scan

Run a premium cached deep SSL/TLS scan for a domain. Returns a fresh cached result immediately when available, or starts a long-running scan and returns a signed polling token. Endpoint: GET /v1/ssl/deep-scan. (costs 10 credits)

ssl_grade

Analyze SSL/TLS configuration for a domain and get a letter grade with detailed scoring and HSTS preload audit context. (costs 2 credits)

ssl_chain

Get certificate chain details including issuer, validity dates, and trust chain. (costs 2 credits)

ssl_expiring

Check if a domain SSL certificate is expiring soon. (costs 1 credit)

enumerate_subdomains

Discover subdomains for a domain using Certificate Transparency logs. Useful for attack surface mapping and security reconnaissance. (costs 3 credits)

email_security

Check email authentication configuration (SPF, DKIM, DMARC) plus MTA-STS, TLS-RPT, and recursive SPF behavior for a domain. (costs 2 credits)

get_email_compliance

Provider-oriented sender readiness report for Google/Gmail and Microsoft Outlook.com high-volume requirements, using SPF, DKIM, DMARC, MTA-STS, TLS-RPT, BIMI, DNSSEC, CAA, and proxy-backed mail security checks. Endpoint: GET /v1/email/compliance. (costs 5 credits)

check_email_blacklist

Check if an email domain is on disposable/temporary email blacklists. Endpoint: GET /v1/email/check. (costs 1 credit)

bulk_email_check

Check multiple email domains against blacklists at once. Endpoint: POST /v1/email/check/bulk. (1 credit per item)

verify_email

Verify if an email address is real and deliverable. Checks syntax, MX/null MX records, reserved/test domains, common provider typos, MX provider fingerprints, SPF/DMARC/MTA-STS/TLS-RPT evidence, local-part/domain risk signals, toxicity/do-not-mail, confidence, deliverability status, and recommendations. Mailbox-level SMTP probing is deprecated. (costs 1 credit)

verify_email_bulk

Verify multiple email addresses at once. Max 100 emails per request. Endpoint: POST /v1/email/verify/bulk. (1 credit per item)

get_brand_monitors

Get your brand monitoring configurations. Endpoint: GET /v1/brand-monitor. (costs 1 credit)

create_brand_monitor

Create a new brand monitoring configuration. Endpoint: POST /v1/brand-monitor. (costs 2 credits)

trigger_brand_scan

Manually trigger a brand protection scan. Endpoint: GET /v1/brand-monitor/scan. (costs 5 credits)

OSINT

ip_lookup

Get detailed information about an IP address or resolved domain, including geolocation, ASN, security indicators, datacenter classification, and FCrDNS. (costs 1 credit)

lookup_mac

Lookup MAC address metadata and vendor/OUI information. (costs 1 credit)

get_mac_lookup_info

Returns parameter help and an example response for the MAC address lookup endpoint. Endpoint: GET /v1/mac/info. (costs 0 credits)

whois_lookup

Get WHOIS/RDAP registration data for a domain including registrar, dates, nameservers, and status. (costs 2 credits)

bulk_whois

Get WHOIS data for multiple domains at once. Endpoint: POST /v1/whois/bulk. (2 credits per item)

whois_history

Get historical WHOIS snapshots showing how registration data has changed over time, including registrar transfers, nameserver changes, and privacy toggles. (costs 2 credits)

get_rdap

Get raw RDAP response for a domain, IP address, or autonomous system number. Endpoint: GET /v1/rdap. (costs 2 credits)

domain_lifecycle

Get domain lifecycle information including registration date, expiration date, domain age, days until expiry, and current lifecycle phase. (costs 2 credits)

Web Intelligence

get_redirects

Follow URL redirect chains. Detect HTTPS upgrades, domain changes, and landing pages. Endpoint: GET /v1/redirects. (costs 2 credits)

tech_stack

Detect technologies used by a website including CMS, frameworks, analytics, hosting, and security tools. (costs 2 credits)

categorize_website

Classify websites into DomScan IAB-inspired categories using multi-signal analysis: keywords, schema.org, Open Graph, TLD heuristics, URL patterns, and HTML structure. Endpoint: GET /v1/categorize. (costs 2 credits)

get_categorization_taxonomy

List the DomScan IAB-inspired category IDs, response category names, taxonomy names, and subcategories returned by the Website Categorization API. Endpoint: GET /v1/categorize/taxonomy. (costs 0 credits)

categorize_website_bulk

Categorize up to 10 websites in parallel with caching. Endpoint: POST /v1/categorize/bulk. (2 credits per item)

get_domain_similarity

Compare domains for similarity. Detect typosquatting with multiple algorithms. Endpoint: GET /v1/similarity. (costs 2 credits)

company_lookup

Lookup company/organization information associated with a domain. Extracts data from website meta tags, WHOIS, and other public sources. (costs 2 credits)

hosting_detection

Detect hosting provider, CDN, WAF, DNS provider, and email infrastructure for a domain. (costs 2 credits)

parking_detection

Check if a domain is parked, showing placeholder/ad pages, or listed for sale on aftermarket platforms like Sedo, Afternic, Dan.com, etc. (costs 2 credits)

Social

social_handles

Check availability of a username across major social media platforms. (costs 2 credits)

get_social_info

Returns supported platforms, parameters, and an example response for the social handle checker. Endpoint: GET /v1/social/info. (costs 0 credits)

Pricing

get_prices

Get domain registration and renewal prices across registrars. Endpoint: GET /v1/prices. (costs 1 credit)

get_tld_pricing

Get pricing for a specific TLD across registrars. Endpoint: GET /v1/prices/tld/:tld. (costs 1 credit)

bulk_pricing

Get pricing for multiple domains at once. Endpoint: POST /v1/prices/bulk. (1 credit per item)

get_registrars

Get list of supported registrars with pricing data. Endpoint: GET /v1/prices/registrars. (costs 0 credits)

compare_prices

Compare domain prices across multiple registrars. Endpoint: GET /v1/prices/compare. (costs 1 credit)

Recipes

recipe_due_diligence

Complete domain acquisition analysis with registration, valuation, health, and brand protection insights. Saves 8 credits vs individual calls. Endpoint: GET /v1/recipes/due-diligence. (costs 10 credits)

recipe_brand_launch

Pre-launch checklist for brand domains including DNS, SSL, email auth, and social availability. Saves 6 credits. Endpoint: GET /v1/recipes/brand-launch. (costs 8 credits)

recipe_threat_assessment

Comprehensive typosquatting and brand threat analysis for security teams. Saves 25 credits. Endpoint: GET /v1/recipes/threat-assessment. (costs 15 credits)

recipe_domain_finder

AI-powered domain discovery with filtering and availability checking. Saves 15 credits. Endpoint: GET /v1/recipes/domain-finder. (costs 10 credits)

recipe_competitor_intel

Competitor domain infrastructure analysis including tech stack and DNS configuration. Saves 8 credits. Endpoint: GET /v1/recipes/competitor-intel. (costs 12 credits)

recipe_portfolio_audit

Audit entire domain portfolio for health, valuation, and optimization opportunities. Saves up to 280 credits. Endpoint: GET /v1/recipes/portfolio-audit. (costs 20 credits)

recipe_portfolio_audit_post

Audit domain portfolio via POST for larger domain lists. Endpoint: POST /v1/recipes/portfolio-audit. (costs 20 credits)

recipe_email_deliverability

Complete email authentication and deliverability analysis (SPF, DKIM, DMARC). Saves 7 credits. Endpoint: GET /v1/recipes/email-deliverability. (costs 8 credits)

recipe_dns_migration

Pre-migration checklist and current DNS configuration snapshot. Saves 6 credits. Endpoint: GET /v1/recipes/dns-migration. (costs 6 credits)

recipe_infrastructure_discovery

Complete infrastructure mapping and attack surface analysis. Saves 13 credits. Endpoint: GET /v1/recipes/infrastructure-discovery. (costs 12 credits)

recipe_defensive_registration

Brand protection through strategic domain acquisition recommendations. Saves 10 credits. Endpoint: GET /v1/recipes/defensive-registration. (costs 10 credits)

recipe_phishing_investigation

Evidence collection and analysis for suspected phishing domains. Saves 12 credits. Endpoint: GET /v1/recipes/phishing-investigation. (costs 10 credits)

Watchlist

get_watchlist

Get your domain watchlist. Endpoint: GET /v1/watchlist. (costs 1 credit)

add_to_watchlist

Add a domain to your watchlist. Endpoint: POST /v1/watchlist. (costs 1 credit)

remove_from_watchlist

Remove a domain from your watchlist. Endpoint: DELETE /v1/watchlist. (costs 0 credits)

get_expiring_watchlist

Get domains from your watchlist that are expiring soon. Endpoint: GET /v1/watchlist/expiring. (costs 1 credit)

get_available_watchlist

Get domains from your watchlist that have become available. Endpoint: GET /v1/watchlist/available. (costs 1 credit)

What is MCP?

MCP (Model Context Protocol) is a standard for connecting AI assistants to external tools and data sources. It allows AI models to interact with APIs in a structured, safe way.

Is it free to use?

Yes! You get 10,000 free API credits per month. This is shared between web tools and MCP/API usage.

Are there rate limits?

Free tier: 100 requests per 10 seconds per IP, with 10,000 credits per month. Pro plans have higher limits.

Start for Free

Get 10,000 free credits per month. No credit card required.

Used by people at amazing companies

DomScan MCP

Documentation

MCP Server for Domain Availability

OAuth MCP Setup

Choose your AI tool

Add the MCP server

Start checking domains

Choose Your AI Platform

Claude Desktop

ChatGPT

Cursor IDE

Other MCP-Compatible Tools

Claude Desktop Setup

Open the configuration file

Add the DomScan MCP server

Restart Claude Desktop

Start checking domains!

ChatGPT Setup

Enable Developer Mode

Create a new Connector

Configure the connector

Start a new chat

Cursor IDE Setup

Open MCP Settings

Create the config file

Add DomScan configuration

Use in Composer

Other MCP-Compatible Tools

Available MCP Tools (92)

Domain Availability

Domain Intelligence

DNS

Security

OSINT

Web Intelligence

Social

Pricing

Recipes

Watchlist

Meta

Example Queries

Frequently Asked Questions

What is MCP?

Is it free to use?

Are there rate limits?

Start for Free