MCP server

CitedBy Official

eu.citedby/citedby

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Check a page, AI-crawler access, llms.txt and backlinks of a site. Free, read-only.

Working at last checkVerified publisher: citedby.euAbout 573 tokens per request once connected4 tools

https://citedby.eu/mcp

At a glance

Type: MCP server
Publisher: citedby.eu (verified by the MCP Registry)
Status: Working at last check
Tools: 4
Token cost: About 573 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http citedby https://citedby.eu/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.citedby]
url = "https://citedby.eu/mcp"

Gemini CLI

{"mcpServers":{"citedby":{"httpUrl":"https://citedby.eu/mcp"}}}

Cursor

{"mcpServers":{"citedby":{"url":"https://citedby.eu/mcp"}}}

VS Code

{"servers":{"citedby":{"type":"http","url":"https://citedby.eu/mcp"}}}

Antigravity

agy mcp add citedby https://citedby.eu/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"citedby","server_url":"https://citedby.eu/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"citedby","server_url":"https://citedby.eu/mcp"}

backlinks ~140 tokens
How 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.
check_ai_crawler_access ~150 tokens
Read 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_txt ~124 tokens
Fetch /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.
check_page ~159 tokens
Fetch 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 only; says so when the

SEOmatic
SEO agent: GSC, keyword, backlink and AI-visibility insights, plus approval-gated site actions
SurfacedBy AI Visibility & GEO Audit
Free AI visibility and GEO audit: see what AI reads on your site and whether its answers cite you.
Siteiz
Check which AI crawlers a site allows and see pages the way AI crawlers do. Free, read-only.
Backlinkmcp
Backlink & domain authority MCP for AI agents: referring domains, link gap, toxic review queue
mttr
Reads a site as search engines and AI assistants do, ranks its fixes, and checks them live.
Kliqo AI
Free AI visibility checks, then see if ChatGPT and Google AI name you or your competitors instead.
AuditAE SEO MCP
SEO MCP: Search Console, GA4, SERP and domain data, rank tracking, AI citations and site fixes.
xfix
Check if AI assistants and shopping agents can read a website or online store

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