Check a page, AI-crawler access, llms.txt and backlinks of a site. Free, read-only.
Connect Remote server
claude mcp add --transport http citedby https://citedby.eu/mcp
{
"mcpServers": {
"citedby": {
"url": "https://citedby.eu/mcp"
}
}
}
{
"servers": {
"citedby": {
"type": "http",
"url": "https://citedby.eu/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://citedby.eu/mcp
Tools 4 found in our last check
check_pageFetch one public web page as CitedBot (robots.txt respected) and return what is wrong with it for AI answers and search: title, description, headings, structured data, canonical, language, links and more. Each finding has why it matters and the exact fix. Deterministic checks on…
check_ai_crawler_accessRead a site's robots.txt and test the server for GPTBot, OAI-SearchBot, ChatGPT-User, PerplexityBot, ClaudeBot, Google-Extended, Bingbot and Googlebot. Returns, per crawler, whether robots.txt allows it and whether the server answers it, so you can see who is blocked and by what.
check_llms_txtFetch /llms.txt of a site and report whether it exists, whether its links work, and whether /llms-full.txt exists. When there is none, the full report holds a draft built from the site's own pages.
backlinksHow many other domains link to a domain, and the strongest referrers, from the Common Crawl domain web graph. Covers domains with 100 or more referring domains under .eu, EU and UK country domains, plus the 5,000 most-linked sites; says plainly when a domain is not in the data.
Details
| Endpoint | https://citedby.eu/mcp (Streamable HTTP) |
| First published | 24 Oct 2026 |
| Last updated | 24 Oct 2026 |
| Registry name | eu.citedby/citedby |
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