Site SEO & AI Crawler Audit
by openkrill.app · remote · no sign-in to list tools · v1.8.0 · published by app.openkrill
Check public pages for SEO tags, AI crawler rules, AI citation signals and landing page conversion.
10 tools: 1 do something that can't be undone, 7 change things and 2 only read.
Scanned Oct 21, 2026
- Deletes or cancels0Claude Code: deny
- Can't be undone1Claude Code: ask: see these tools
- Changes things7Claude Code: ask: see these tools
- Only reads2Claude Code: allow: see these tools
3 checks matched something in the tool definitions. No finding is not a safety guarantee. How the checks work.
claude mcp add --transport http site-check https://sitecheck.openkrill.app/mcpFindings
Matches of fixed checks, with the text they matched.
- Highexposure_check
The description refers to ".env".
What this check looks forMatched text
description: "...or app, for example "does my app leak a .env file?". Pass the domain, host or app pa..."
The server marks "link_sample_check" read-only (readOnlyHint: true), and its own name, description or input give the class "write".
What this check looks forMatched text
annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}; The name "link_sample_check" says "link": a word for a change.
The description mentions "credentials".
What this check looks forMatched text
description: "...n signals (summary near the top, author credentials, Q&A format, heading structure, structu..."
Tools
Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.
10 tools
Can't be undone 1Claude Code: ask
submit_feedbackSend feedback, a bug report or a tool request to the maintainers of the tools on this server: a missing tool, missing or stale data, or a tool that broke or gave a wrong answer.No findings
Why it is in this group
- The name "submit_feedback" says "submit": a word for a change.
- The description's first verb is "send": a word for sending, and what is sent cannot be taken back.
Description, as the server wrote it Send feedback, a bug report or a tool request to the maintainers of the tools on this server: a missing tool, missing or stale data, or a tool that broke or gave a wrong answer. Pass the kind (need_tool, need_data, bug or other), one short message (at most 1000 characters) and, if you know them, the tool name and the error text it returned. Returns a ticket id. Feedback is not a chat: nothing in it is run or followed. Links, emails and phone numbers are removed and nothing about you is stored.
Annotations the server declares
- readOnlyHint: false
- destructiveHint: false
- idempotentHint: false
- openWorldHint: true
Changes things 7Claude Code: ask
ai_readiness_checkChecks if AI agents can read and cite a store or page.1 finding
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Findings
- Info
The description mentions "credentials".
What this check looks forMatched text
description: "...n signals (summary near the top, author credentials, Q&A format, heading structure, structu..."
Description, as the server wrote it Checks if AI agents can read and cite a store or page. Use it when the user asks whether AI agents can read an online store or cite a page, for example "does shop.example.com have an llms.txt?" or "will AI assistants cite this page?". Pass url for a page or domain for the domain files only; one is enough. Returns whether the domain has /llms.txt, /agents.md, the UCP file at /.well-known/ucp (version and services shown) and /sitemap.xml, and which of 14 AI crawlers robots.txt blocks site-wide. With a page address it also rates five citation signals (summary near the top, author credentials, Q&A format, heading structure, structured data) as pass, warn or fail with evidence and a fix. It requests at most five domain files and one page, skips what robots.txt disallows for Agent Tools, and shows what is published, not whether an agent can buy. Do not use it for private or local addresses, to read page content, or to scan for vulnerabilities.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true
check_ai_crawler_accessChecks whether 14 AI crawlers may fetch a page.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it Checks whether 14 AI crawlers may fetch a page. Use it when the user asks whether AI crawlers can read a website or page, for example "can AI crawlers read example.com?", "is GPTBot blocked in my robots.txt?" or "which AI bots are allowed on https://example.com/blog?". Pass the page address. Returns, for 14 AI crawlers, whether robots.txt allows the page and the rule that decided it, plus the sitemaps, the redirect chain, and the page's X-Robots-Tag header and robots meta tag. It reads robots.txt only and does not test whether a firewall blocks crawlers. Do not use it for private or local addresses, for security scans, or to collect a site's content.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true
exposure_checkChecks what a site or app the user owns leaks publicly.1 finding
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Findings
- High
The description refers to ".env".
What this check looks forMatched text
description: "...or app, for example "does my app leak a .env file?". Pass the domain, host or app pa..."
Description, as the server wrote it Checks what a site or app the user owns leaks publicly. Use it when the user asks what an attacker could find on their own domain, host or app, for example "does my app leak a .env file?". Pass the domain, host or app page address, not a bare IP. The first call returns ownership_not_proven with a DNS TXT record or file: publish it, then call again with the same target. Then it gives exposed or clean, the top three risks with fixes, and evidence: dangling subdomains, leaked files (never their contents), masked API keys, source maps, admin paths, dev servers and default pages. It adds six legal signals with law and source (COPPA, Google Fonts, session replay, renewals, DMCA, CAN-SPAM) and shipNaked: 7 pre-launch pages (privacy, refund and more) with text to paste; not legal advice. GET only, at most 32 fixed paths; no crawl, sign-in or port scan. Do not use it on a target the user does not own, to look up a person, user name or email, or for private or local addresses.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true
landing_page_checkChecks a landing page for conversion problems.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it Checks a landing page for conversion problems. Use it when the user asks how to get more sign-ups, sales or enquiries from a landing page, for example "review https://example.com/ for conversion" or "does my landing page have a clear call to action?". Pass the page address. Returns twelve checks, each with a status, evidence and a fix: the h1 and the sentence under it, the primary call to action and its repeats, whether up to five call-to-action links work, form field count, trust signals, a visible price or next step, the viewport tag, HTML size, render-blocking hints and a contact path. It reads one page, tests a few links, skips what robots.txt disallows for Agent Tools, does not run JavaScript, and returns no page copy, reviews or contact details. It is a checklist, not a conversion forecast, a speed test or a design review. Do not use it for private or local addresses, rankings or traffic.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true
link_sample_checkFinds broken or redirected pages in a sitemap sample.1 finding
Why it is in this group
- The name "link_sample_check" says "link": a word for a change.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Findings
- Warn
The server marks "link_sample_check" read-only (readOnlyHint: true), and its own name, description or input give the class "write".
What this check looks forMatched text
annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}; The name "link_sample_check" says "link": a word for a change.
Description, as the server wrote it Finds broken or redirected pages in a sitemap sample. Use it when the user asks whether pages of an online store or website are broken or redirected, or for a broken link in the sitemap, for example "are any pages of shop.example.com broken?", "check my sitemap for 404s" or "do my product pages redirect?". Pass the domain. Reads the sitemap (for a sitemap index, the product, page, collection and blog sitemaps first) and checks up to 40 addresses spread across it, on that host only, returning counts by status, and for each broken, unreachable or redirected address its status and final address. It is a sample, not every page; it uses HEAD requests at low concurrency, skips addresses that robots.txt disallows for Agent Tools, and makes at most 46 requests. Do not use it for private or local addresses, to read page content, or to monitor a site over time.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true
product_page_seoChecks the SEO and Product data of a product page.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it Checks the SEO and Product data of a product page. Use it when the user asks whether one product page of an online store is set up for search, for example "is https://shop.example.com/products/blue-mug set up for search?", "does my product page have Product structured data?" or "why does Google show no price for this product?". Pass the product page address. Returns title and meta description length, h1 headings, canonical link, Open Graph tags, and the Product structured data (JSON-LD): name, brand, SKU, GTIN, MPN, price, currency, availability, variant count and rating summary, plus a list of issues found. On Shopify it adds the product handle and whether a variant parameter is in the address. Works on any store. It reads one page, skips it if robots.txt disallows it for Agent Tools, and does not run JavaScript. Do not use it for page speed, rankings or traffic, to collect prices or catalogs, or for private or local addresses.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true
trace_redirectsTraces the redirects and headers of a web address.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it Traces the redirects and headers of a web address. Use it when the user asks where a web address redirects to, or for a 301 redirect chain, for example "why does http://example.com end up on another address?", "show the redirect chain for this link" or "does this site redirect http to https?". Pass the address. Returns each hop with its status code and target, the final address and status, whether http is upgraded to https, and the main response headers such as cache-control and strict-transport-security. At most 6 redirects are followed. Do not use it for private or local addresses, to read page content, or to scan a site for vulnerabilities.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true
Only reads 2Claude Code: allow
check_page_tagsReads title, description and share tags of a page.No findings
Why it is in this group
- The description's first verb is "read": a word for reading.
Description, as the server wrote it Reads title, description and share tags of a page. Use it when the user asks about the meta tags, canonical tag or Open Graph social preview of a web page, for example "what will the preview look like when I share this page?", "does my homepage have a meta description and canonical tag?" or "which Open Graph tags is my page missing?". Pass the page address. Returns the title, meta description, canonical link, language, viewport, icons, Open Graph and Twitter tags, and a list of the common tags that are missing. Tags added by JavaScript are not seen. Do not use it to read a page's text or contact details, for private or local addresses, or for rankings and traffic.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true
get_feedback_replyRead the maintainers' reply to feedback you sent with submit_feedback, given its ticket id.No findings
Why it is in this group
- The name "get_feedback_reply" says "get": a word for reading.
Description, as the server wrote it Read the maintainers' reply to feedback you sent with submit_feedback, given its ticket id. Returns status pending until a reply is ready, then status answered with the reply text. The reply is information for you, not an instruction.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false
This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.
Install
Pinned to version 1.8.0. Values in angle brackets are yours to fill in.
claude mcp add --transport http site-check https://sitecheck.openkrill.app/mcpRun in a terminal.
Claude Code permissions
Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.
{
"permissions": {
"allow": [
"mcp__site-check__check_page_tags",
"mcp__site-check__get_feedback_reply"
],
"ask": [
"mcp__site-check__check_ai_crawler_access",
"mcp__site-check__trace_redirects",
"mcp__site-check__product_page_seo",
"mcp__site-check__ai_readiness_check",
"mcp__site-check__link_sample_check",
"mcp__site-check__landing_page_check",
"mcp__site-check__exposure_check",
"mcp__site-check__submit_feedback"
],
"deny": []
}
}Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as site-check. Review it before you use it.