drwho.me network and developer tools

Name: drwho.me network and developer tools
Author: me.drwho

MCP serverMCP

29 free tools: DNS, email auth (SPF, DKIM, DMARC), TLS, headers, WHOIS, dev utils.

by me.drwhorepository ↗homepage ↗v2.0.0

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Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability107/108 checks ok

Tools observed via MCP handshake

dossier_summary — Run the nine DNS, email-authentication and TLS checks on a domain in parallel and return one graded line per check: DNS records, MX, SPF, DMARC, DKIM, DNSSEC, T
dossier_dns — Fetch a domain's A, AAAA, NS, SOA, CAA and TXT records in one call. Use as the first step of a DNS review; prefer dns_lookup for a single record type or for MX,
dossier_mx — List a domain's MX (mail exchanger) records sorted by priority. Use to see where a domain's inbound mail goes, or before checking SPF and DMARC. Queries Cloudfl
dossier_spf — Find and parse a domain's SPF record into its mechanisms. Use to check which servers may send mail for a domain, or to debug delivery failures; pair with dossie
dossier_dmarc — Find and parse the DMARC policy at _dmarc.<domain> into its tags (p, sp, pct, rua, ruf, adkim, aspf). Use to see whether spoofed mail is rejected, quarantined o
dossier_dkim — Probe a domain for DKIM public keys at <selector>._domainkey.<domain>. Pass selectors when you know them; omit to probe a built-in list of common selectors used
dossier_dnssec — Check whether a domain's zone is signed with DNSSEC and validates: DS and DNSKEY records plus the resolver's AD (authenticated data) flag. Queries Cloudflare DN
dossier_tlsrpt — Look up a domain's SMTP TLS Reporting policy at _smtp._tls.<domain>. Use to confirm the domain receives reports about failed TLS delivery of its inbound mail. Q
dossier_mta_sts — Fetch and validate a domain's MTA-STS policy (mode, mx, max_age). Use to confirm inbound mail to the domain must be delivered over TLS. Resolves the _mta-sts TX
dossier_tls — Read the TLS certificate a domain presents on port 443: subject, issuer, validity dates, days remaining, subject alternative names, SHA-256 fingerprint and whet
dossier_redirects — Trace the redirect chain from https://<domain>/, one entry per hop with its status code and target, up to 10 hops. Use to debug redirect loops or confirm an HTT
dossier_headers — Fetch https://<domain>/ and return every response header, so you can review Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-
dossier_cors — Send a CORS preflight (OPTIONS) to https://<domain>/ and return the access-control-* headers in the answer. Use to check whether a site accepts cross-origin req
dossier_web_surface — Summarise a domain's public web surface: robots.txt, sitemap.xml and the home page's title, description, OpenGraph and Twitter card tags. Use for a quick SEO or
dossier_ai_crawlers — Report what a domain's robots.txt says to the major AI crawlers (GPTBot, ClaudeBot, Google-Extended, PerplexityBot, CCBot, meta-externalagent): allowed, blocked
dossier_llms_txt — Check whether a domain publishes an llms.txt, the markdown index some sites provide for AI agents. Requires a non-HTML content type and a leading markdown headi
dossier_security_txt — Check whether a domain publishes /.well-known/security.txt (RFC 9116), the standard way to tell researchers where to report a vulnerability. Returns the Contact
dossier_whois — Look up a domain's registrar, creation date, expiry date and registry statuses. Use for an ownership or expiry check. Tries WHOIS over TCP port 43, then RDAP ov
dossier_ct_log — List subdomains of a domain that appear in Certificate Transparency logs. Use to map what hosts a domain has exposed through the certificates issued for it. Que
dns_lookup — Resolve one DNS record type (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA or SRV) for a name and return the raw answers. Use for a quick, targeted lookup, including on
ip_lookup — Look up an IPv4 or IPv6 address: city, region, country, coordinates, timezone and the network (ASN and organisation) that announces it. Use when you need locati
user_agent_parse — Parse a User-Agent header into browser, operating system, device and rendering engine. Use when reading server logs or request headers. Runs locally with no net
base64_encode — Encode UTF-8 text as base64. Set url_safe for the URL-safe alphabet (- and _ in place of + and /, no padding), as used in JSON Web Tokens. Runs locally. Returns
base64_decode — Decode base64 to UTF-8 text. Accepts the standard and the URL-safe alphabet, with or without padding or line breaks. Fails when the input is not valid base64 or
jwt_decode — Decode a JSON Web Token's header and payload. It does NOT verify the signature, so never treat the claims as trusted on the strength of this tool. Use to inspec
json_format — Validate JSON and re-print it with an indent of 2 or 4 spaces, or minified with indent 0. Use to check whether a string is valid JSON or to make it readable. Ru
url_encode — Percent-encode text for use in a URL query value or path segment (encodeURIComponent rules: everything except letters, digits and - _ . ! ~ * ' ( ) is encoded).
url_decode — Decode percent-encoded text. Fails on a malformed sequence such as a lone % sign. A plus sign is left as a plus; replace it with a space first if the text came
uuid_generate — Generate UUIDs. Version 4 is fully random. Version 7 starts with a millisecond timestamp, so values sort by creation time, which suits database keys. Runs local

Provenance

Where this record came from

Every source is kept verbatim. Field changes are logged as events.

Official MCP Registryme.drwho/tools

first seen 1 mo ago · fetched 32 h agoopen ↗

Field history (11 recent events)

22 d ago · declared · name → "drwho.me network and developer tools"
22 d ago · declared · summary → "29 free tools: DNS, email auth (SPF, DKIM, DMARC), TLS, headers, WHOIS, dev utils."
22 d ago · declared · description → "29 free tools: DNS, email auth (SPF, DKIM, DMARC), TLS, headers, WHOIS, dev utils."
22 d ago · declared · homepageUrl → "https://drwho.me/mcp"
22 d ago · declared · version → "2.0.0"
1 mo ago · declared · summary → "Remote MCP server: 10 developer utilities (base64, JWT, DNS, UUID, URL, JSON, UA, IP lookup)."
1 mo ago · declared · protocols → ["mcp"]
1 mo ago · declared · description → "Remote MCP server: 10 developer utilities (base64, JWT, DNS, UUID, URL, JSON, UA, IP lookup)."
1 mo ago · declared · publisherName → "me.drwho"
1 mo ago · declared · repoUrl → "https://github.com/hikmahtech/drwhome"
1 mo ago · declared · version → "0.1.0"

when	check	result	http	latency	detail
31 min ago	mcp initialize	ok	200	686 ms	server drwho.me 2.0.0 · protocol 2025-06-18 · 29 tools
6 h ago	mcp initialize	ok	200	928 ms	server drwho.me 2.0.0 · protocol 2025-06-18 · 29 tools
12 h ago	mcp initialize	ok	200	428 ms	server drwho.me 2.0.0 · protocol 2025-06-18 · 29 tools
19 h ago	mcp initialize	ok	200	743 ms	server drwho.me 2.0.0 · protocol 2025-06-18 · 29 tools
25 h ago	mcp initialize	ok	200	443 ms	server drwho.me 2.0.0 · protocol 2025-06-18 · 29 tools
32 h ago	mcp initialize	ok	200	735 ms	server drwho.me 2.0.0 · protocol 2025-06-18 · 29 tools
2 d ago	mcp initialize	ok	200	778 ms	server drwho.me 2.0.0 · protocol 2025-06-18 · 29 tools
2 d ago	mcp initialize	ok	200	700 ms	server drwho.me 2.0.0 · protocol 2025-06-18 · 29 tools
2 d ago	mcp initialize	ok	200	466 ms	server drwho.me 2.0.0 · protocol 2025-06-18 · 29 tools
2 d ago	mcp initialize	ok	200	772 ms	server drwho.me 2.0.0 · protocol 2025-06-18 · 29 tools

drwho.me network and developer tools

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Evidence

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Where this record came from