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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Communication & messaging

AstraVerify Domain Trust Check

Email security and AI discoverability scores for any domain, with the exact record or tag to fix.

Checks passed
13 / 22

1 failed · 8 not measured

Median response
660 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
5

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Outdated check

Last connection measurement is over 24 hours old. Current availability is unknown.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
312

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 660 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-06-18, serverInfo.name astraverify.

  • Pass
    Lists tools

    tools/list returned 5 tools.

  • Pass
    Current protocol

    Negotiated 2025-06-18. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 660 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 660 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    9 of 11 parameters have a description (82%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-09-21T06:43:59.30134Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using AstraVerify Domain Trust Check

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http astraverify-domain-trust-check https://astraverify.com/mcp

Capabilities

Tools 5

check_discoverability

Check whether search engines and AI assistants can crawl, read and quote this site. Use when the person asks about SEO basics, robots.txt, sitemaps, llms.txt, or whether Google, ChatGPT, Claude or Perplexity can see their site. Input: a bare domain like example.com. Returns a Discoverability score 0-100 broken into crawl access (25: robots.txt, plus what the edge actually serves to Googlebot, Bingbot, OAI-SearchBot, PerplexityBot, ClaudeBot and GPTBot), site plumbing (20: HTTPS, one canonical host, sitemap, real 404s), page metadata (20), structured data (20) and answer-engine readiness (15: llms.txt, a definitional opening, question-form headings). Every finding carries the exact file, tag or record to publish. It makes roughly 15 fetches over a few seconds - robots.txt, the sitemap, the root page, up to four pages listed in the sitemap, llms.txt, the preview image, one deliberately missing URL to see how 404s are handled, and the root page once as each of the six crawlers. It identifies itself as AstraVerifyBot, except on those six checks, where the point is to send the crawler's own user-agent. It fetches nothing off that domain and crawls no further. Cached 15 minutes. It changes nothing on the site. This is a separate scan from check_email_security and does not include it. It scores crawl access across all six crawlers at once; for the exact response a single named crawler receives - status, redirect chain, headers, the text it would index - use fetch_as_crawler.

Discovered
check_email_security

Check whether anyone can send email as this domain, and whether its own mail reaches the inbox. Use when the person asks about email security, spoofing or phishing risk, SPF, DKIM or DMARC setup, or why their mail goes to spam. Input: a bare domain like example.com - no scheme, no path. Given a URL or an email address, extract the domain and say what you extracted. Subdomains score in their own right: mail from the apex is not evidence about mail.example.com. Returns an Email Security score 0-100 broken into MX (25), SPF (25), DKIM (20) and DMARC (30), the status of each published record, the mail provider identified from MX, and the exact DNS record to publish for every finding. DNS-only, so it answers in about a second; cached 15 minutes, and refresh is for when DNS has just changed. One caveat to pass on rather than hide: DKIM selectors cannot be enumerated from DNS. They are found by probing the selectors known for the mail provider plus a list of a few hundred common names. A provider that issues random selectors - Amazon SES and Postmark among them - can only be confirmed from a live email, so report DKIM as not found by probing, never as proof the domain does not sign.

Discovered
fetch_as_crawler

Show exactly what one named crawler receives from the domain's root page. Use when the person asks "what does Google see?" or "can ChatGPT read my site?", and whenever check_discoverability reports a crawl-access problem. check_discoverability scores crawl access across all six crawlers; this returns the one raw response behind that score, which is what explains such a result rather than restating it. robots.txt can read perfectly while a CDN or firewall returns 403 to one crawler and 200 to another, and only a real fetch shows that. Inputs: domain (bare, like example.com) and agent, exactly one of googlebot, bingbot, oai-searchbot, perplexitybot, claudebot, gptbot. Call it once per crawler to compare them. Returns the HTTP status, the full redirect chain, response headers, content type, the text that crawler would index, and flags for an outright block or a bot-challenge page - which is how cloaking becomes visible. One live fetch of the root page, nothing else, and it changes nothing.

Discovered
get_report

Both AstraVerify scores for a domain, plus a shareable report link. Reach for this first on any broad question - "is my domain set up right?", "check my domain", "what should I fix first?" - and use the single-subject tools only once the person has narrowed it to email or to the website. Input: a bare domain like example.com. Returns the Email Security score, the Discoverability score, every open fix ranked critical then important then informational, and report_url. Work down that order. Some findings are marked as needing no action - a weak key the provider generates and the owner cannot replace, for instance - so do not present those as work. Unlike the other tools here, this one creates something: report_url is a snapshot of these findings saved to a new unlisted page at astraverify.com/r/..., and that page is what the person can send to whoever administers the domain. It opens later without rescanning, after the scan itself has aged out. Running the tool again on an unchanged scan returns the same page rather than a second one. Nothing is written anywhere the person owns. Set include_history to answer "has this improved?" or "did my fix land?": it adds the first and latest reading of each score, the move between them, and only the dates the score actually changed. A domain we have not watched before says so rather than reporting a flat line.

Discovered
verify_fix

Re-check a single discoverability component after the person has fixed it. Use only once check_discoverability has reported that component failing and the person says the fix is done - never speculatively. Without a previous scan to compare against it returns NOT_READY. Inputs: domain (bare, like example.com) and component, one of crawl, plumbing, metadata, structured, answer - the identifier from the earlier scan's findings. Returns that component re-measured and the updated Discoverability score, so you can tell the person plainly whether the change worked. Always a live re-fetch, never served from cache, which is exactly why it beats a second check_discoverability straight after an edit. It draws on the discoverability fresh-scan budget for that domain (30 an hour, counted across all callers), so use a full check_discoverability instead when several areas changed. It only re-reads public pages; it changes nothing on the site.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected660 ms5