Web & domain tools

Read any public page as markdown, link previews, URL safety, page audits, domain availability and…

Connector by fourzerotwo.si · Domain verified by the MCP Registry

IndexedLicense unknownRemote (HTTP)

Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/fourzerotwo-si-web

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

https://fourzerotwo.si/mcp/v/web Remote (HTTP)

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About

Read any public page as markdown, link previews, URL safety, page audits, domain availability and…

Reviews

Write a review

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools: 25 read · 0 write · 0 deleteRead-only
Secrets: 1 (API keys, tokens or passwords)
Install scripts: Nothing to install (hosted)
Runs as: Hosted (remote endpoint)

Tools by what they do 25

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 25 · Look things up without changing anything.

domains__abuse-contacts
domains__availability
domains__dmca-agent
domains__dns
domains__email-auth
domains__facts
domains__ideas
domains__ip-owner
ip-geolocation__asn
ip-geolocation__batch
ip-geolocation__country
ip-geolocation__lookup

Show 13 more tools

seo__keyword-intent
seo__links
seo__page-audit
seo__robots-check
validators__email
validators__iban
validators__imei
validators__uk-phone
validators__uk-postcode
validators__vin
web__read
web__unfurl
web__url-safety

Secrets and settings it asks for

Secrets: values you paste in that let it act as you.

X-API-Key

Network hosts it talks to 1

fourzerotwo.si · found in remote endpoint, install command

Tools (25)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

domains__abuse-contactsDomains & DNS: Where to report a siteread-only
Everyone to send an abuse or takedown report to for a site: platform agent, hosting network (+ abuse email, CDN flag) and registrar. A few free samples a day, then $0.005 USDC per call via x402.
domains__availabilityDomains & DNS: Domain availabilityread-only
Registered or available, straight from the TLD registry. A few free samples a day, then $0.002 USDC per call via x402.
domains__dmca-agentDomains & DNS: DMCA agentread-only
Published DMCA / abuse contact (email or form) for a major platform, host, CDN or registrar. A few free samples a day, then $0.002 USDC per call via x402.
domains__dnsDomains & DNS: DNS recordsread-only
A, AAAA, MX, NS, TXT, CNAME and CAA records (or one type). A few free samples a day, then $0.001 USDC per call via x402.
domains__email-authDomains & DNS: Email authentication checkread-only
MX, SPF and DMARC for a domain, the mail provider, issues found and a grade. A few free samples a day, then $0.003 USDC per call via x402.
domains__factsDomains & DNS: Domain registration factsread-only
Registrar, created, expiry, age, status codes, nameservers and DNSSEC. A few free samples a day, then $0.002 USDC per call via x402.
domains__ideasDomains & DNS: Domain name ideasread-only
Rule-based domain candidates for a keyword: exact, stopword-free, hyphenated, prefixed and suffixed, across chosen TLDs, with a trademark flag. Free within the daily allowance, then $0.002 USDC per call via x402.
domains__ip-ownerDomains & DNS: IP ownerread-only
Network, organisation, range, country and abuse email for an IP, from the regional internet registry. A few free samples a day, then $0.002 USDC per call via x402.
ip-geolocation__asnIP Geolocation & ASN: IP to network ownerread-only
ASN, organisation and hosting flag for one IP. Free within the daily allowance, then $0.0005 USDC per call via x402.
ip-geolocation__batchIP Geolocation & ASN: Batch lookupread-only
Full lookup for up to 100 IPs in one call. A few free samples a day, then $0.02 USDC per call via x402.
ip-geolocation__countryIP Geolocation & ASN: IP to countryread-only
Country and continent for one IP. Free within the daily allowance, then $0.0005 USDC per call via x402.
ip-geolocation__lookupIP Geolocation & ASN: IP lookupread-only
Country, continent, EU membership, network block, ASN, organisation and hosting flag for one IP. Free within the daily allowance, then $0.001 USDC per call via x402.
seo__keyword-intentSEO Tools: Keyword intentread-only
Classify a search keyword as transactional, commercial, navigational or informational. A few free samples a day, then $0.0005 USDC per call via x402.
seo__linksSEO Tools: Extract linksread-only
Internal and external links on a page with anchor text and nofollow flags. A few free samples a day, then $0.003 USDC per call via x402.
seo__page-auditSEO Tools: On-page SEO auditread-only
Title, meta, H1, canonical, noindex, hreflang, structured data, OG tags, word count, links, alt text, issues and a score. A few free samples a day, then $0.005 USDC per call via x402.

Show 10 more tools

seo__robots-checkSEO Tools: robots.txt checkread-only
Whether a crawler (Googlebot, GPTBot, ClaudeBot…) may fetch a URL, the rule that decided it, and declared sitemaps. A few free samples a day, then $0.002 USDC per call via x402.
validators__emailValidators: Email checkread-only
Email syntax, whether the domain accepts mail, disposable and role-account flags. Free within the daily allowance, then $0.001 USDC per call via x402.
validators__ibanValidators: IBAN checkread-only
IBAN mod-97 checksum and country length; UK sort code extracted. Free within the daily allowance, then $0.0005 USDC per call via x402.
validators__imeiValidators: IMEI check digitread-only
Validate an IMEI (length + Luhn) and split TAC, serial and check digit. Free within the daily allowance, then $0.0005 USDC per call via x402.
validators__uk-phoneValidators: UK phone numberread-only
Classify a UK number (mobile, landline, freephone, premium…) and format as E.164. Free within the daily allowance, then $0.0005 USDC per call via x402.
validators__uk-postcodeValidators: UK postcode formatread-only
Validate and normalise UK postcode format; split outward/inward codes. Free within the daily allowance, then $0.0005 USDC per call via x402.
validators__vinValidators: VIN checkread-only
VIN format, check digit, WMI and model-year candidates. Free within the daily allowance, then $0.0005 USDC per call via x402.
web__readWeb Reader: Read a page as markdownread-only
Main content of a public web page as clean markdown, with title, byline, published date, canonical URL, language, word count and links. A few free samples a day, then $0.003 USDC per call via x402.
web__unfurlWeb Reader: Link preview (unfurl)read-only
Open Graph and Twitter card data, favicon, theme colour, JSON-LD types, RSS/Atom feeds and sitemaps for a URL. Free within the daily allowance, then $0.002 USDC per call via x402.
web__url-safetyWeb Reader: URL safety checkread-only
Warning signs for a URL: redirect chain and final destination, TLS certificate, domain age, punycode and brand-lookalike tricks, bare IPs, and security-header grade. Free within the daily allowance, then $0.003 USDC per call via x402.

Signals

Last release: Oct 11, 2026 (18 days ago)

Details

Registry name: si.fourzerotwo/web
Version: 1.0.1
Auth: API key
License: License unknown
Website: fourzerotwo.si
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Official MCP Registry

Rank

of 44,833 in Connectors

Score

0.562

Security 30%not yet
Popularity 25%0.30
Freshness 20%1.00
Rating 15%not yet
Docs 10%0.62

How ranking works →

Grades

Freshness

Active in the last 30 days. Last activity 18 days ago.

–

Security

Security scan: in progress. Grades from our dependency, secret, code and prompt-injection checks appear here once they launch. Until then, check the code before you install.

Indexed

Found automatically from a public source. Not yet claimed by its publisher.

How grades work →

Availability

100% uptime, last 30 days (1 check)

Last check: 4 days ago
Status: Up
Median response: 539 ms

Up
Up, auth required
Down
Not checked
No data

A daily MCP handshake with the remote endpoint. “Auth required” means it answered and wants a login or key. “Not checked” means the URL needs your own account or blocks automated checks.

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Cite this page

Web & domain tools MCP server. Agent Mart. https://agentmart.dev/connectors/fourzerotwo-si-web (last updated 2026-10-24)