CitedBy

eu.citedby

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

Add to Cursor Add in Claude Add to VS Code Run on PlugMCP

1{2  "mcpServers": {3    "eu.citedby-citedby": {4      "url": "https://citedby.eu/mcp",5      "headers": {}6    }7  }8}

.cursor/mcp.jsonMCP server

Transport: http
Status: Remote

Power your agent

Add this server

The publisher's own URL. Not a PlugMCP endpoint.

Add to Cursor Add in Claude Add to VS Code Run on PlugMCP

Host a copy with our keys and logs.

Server URL

https://citedby.eu/mcp

The Claude button above opens Claude with the name and URL filled in. You still confirm it there.

shClaude Code

1claude mcp add --transport http eu.citedby-citedby https://citedby.eu/mcp

Run in a terminal.

jsonClaude Desktop

1{2  "mcpServers": {3    "eu.citedby-citedby": {4      "command": "npx",5      "args": [6        "-y",7        "mcp-remote",8        "https://citedby.eu/mcp"9      ]10    }11  }12}

claude_desktop_config.json

Remote · HTTPPublisher installStep-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Server facts

Remote

Transport: http
Version: 1.0.0
Last checked: 2026-10-27

Stars: —
Tools: —
Uptime: —

Tools

No tool list yet. Remote servers get one after the first health check.

FAQ

Questions

How do I install CitedBy?

Copy the http config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does CitedBy need an API key?

No required environment variable is listed on this record.

What transport does CitedBy use?

CitedBy is reached over HTTP.

When was CitedBy last checked?

Last checked 2026-10-27. Check a page, AI-crawler access, llms.txt and backlinks of a site. Free, read-only.

From the publisher

Documentation

CitedBy MCP server

Ask your AI tool to check whether a website can be found and cited by AI assistants and search engines. Free, no account, read-only.

Server address: https://citedby.eu/mcp (MCP Streamable HTTP, no sign-in). Page with the same instructions: https://citedby.eu/mcp-server

Tools

Tool	What you get
`check_page`	One page, fetched as CitedBot (robots.txt respected): what is wrong for AI answers and search, each finding with why it matters and the exact fix. Deterministic checks only.
`check_ai_crawler_access`	For GPTBot, OAI-SearchBot, ChatGPT-User, PerplexityBot, ClaudeBot, Google-Extended, Bingbot and Googlebot: allowed by robots.txt, and answered by the server, or not.
`check_llms_txt`	Whether `/llms.txt` exists, whether its links work, whether `/llms-full.txt` exists.
`backlinks`	How many domains link to a domain, and the strongest ones, from the Common Crawl web graph. Says when a domain is not in the data.

When a site refuses the crawler or does not answer, the tool says so. It does not score what it could not read.

Install

Claude Code

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

or install the plugin, which also adds a skill that picks the right tool for the question:

/plugin marketplace add resaleiq/citedby-mcp
/plugin install citedby@citedby

Claude on the web and desktop: Settings, Connectors, Add custom connector, paste https://citedby.eu/mcp.

Cursor: add CitedBy to Cursor, or add to ~/.cursor/mcp.json:

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

Codex

codex mcp add citedby --url https://citedby.eu/mcp

Any other MCP client: add a remote server with the address above.

Ask it like this

"Check https://example.com/pricing with CitedBy and tell me what to fix first."
"Can GPTBot and PerplexityBot read example.com?"
"Does example.com have a working llms.txt?"
"Which domains link to example.com?"

Limits

40 checks an hour from one address; a result is reused for up to 6 hours (1 hour for a page check). check_page is one page. A whole-site audit, with every page up to your plan's limit and the exact fix for each, is at https://citedby.eu/plans.

Also from CitedBy: citedby-check, the same AI-crawler check as a command-line tool and GitHub Action.

Questions: [email protected]. MIT licence.

CitedBy

eu.citedby

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

Web Scraping

Add to Cursor Add in Claude Add to VS Code Run on PlugMCP

GitHub Website

Add to Cursor Add in Claude Add to VS Code Run on PlugMCP

1{2  "mcpServers": {3    "eu.citedby-citedby": {4      "url": "https://citedby.eu/mcp",5      "headers": {}6    }7  }8}

.cursor/mcp.jsonMCP server

Transport: http
Status: Remote

Power your agent

Add this server

The publisher's own URL. Not a PlugMCP endpoint.

Add to Cursor Add in Claude Add to VS Code Run on PlugMCP

Host a copy with our keys and logs.

Server URL

https://citedby.eu/mcp

The Claude button above opens Claude with the name and URL filled in. You still confirm it there.

shClaude Code

1claude mcp add --transport http eu.citedby-citedby https://citedby.eu/mcp

Run in a terminal.

jsonClaude Desktop

1{2  "mcpServers": {3    "eu.citedby-citedby": {4      "command": "npx",5      "args": [6        "-y",7        "mcp-remote",8        "https://citedby.eu/mcp"9      ]10    }11  }12}

claude_desktop_config.json

Remote · HTTPPublisher installStep-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Server facts

Remote

Transport: http
Version: 1.0.0
Last checked: 2026-10-27

Stars: —
Tools: —
Uptime: —

Tools

No tool list yet. Remote servers get one after the first health check.

FAQ

Questions

How do I install CitedBy?

Copy the http config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does CitedBy need an API key?

No required environment variable is listed on this record.

What transport does CitedBy use?

CitedBy is reached over HTTP.

When was CitedBy last checked?

Last checked 2026-10-27. Check a page, AI-crawler access, llms.txt and backlinks of a site. Free, read-only.

From the publisher

Documentation

CitedBy MCP server

Ask your AI tool to check whether a website can be found and cited by AI assistants and search engines. Free, no account, read-only.

Server address: https://citedby.eu/mcp (MCP Streamable HTTP, no sign-in). Page with the same instructions: https://citedby.eu/mcp-server

Tools

Tool	What you get
`check_page`	One page, fetched as CitedBot (robots.txt respected): what is wrong for AI answers and search, each finding with why it matters and the exact fix. Deterministic checks only.
`check_ai_crawler_access`	For GPTBot, OAI-SearchBot, ChatGPT-User, PerplexityBot, ClaudeBot, Google-Extended, Bingbot and Googlebot: allowed by robots.txt, and answered by the server, or not.
`check_llms_txt`	Whether `/llms.txt` exists, whether its links work, whether `/llms-full.txt` exists.
`backlinks`	How many domains link to a domain, and the strongest ones, from the Common Crawl web graph. Says when a domain is not in the data.

When a site refuses the crawler or does not answer, the tool says so. It does not score what it could not read.

Install

Claude Code

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

or install the plugin, which also adds a skill that picks the right tool for the question:

/plugin marketplace add resaleiq/citedby-mcp
/plugin install citedby@citedby

Claude on the web and desktop: Settings, Connectors, Add custom connector, paste https://citedby.eu/mcp.

Cursor: add CitedBy to Cursor, or add to ~/.cursor/mcp.json:

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

Codex

codex mcp add citedby --url https://citedby.eu/mcp

Any other MCP client: add a remote server with the address above.

Ask it like this

"Check https://example.com/pricing with CitedBy and tell me what to fix first."
"Can GPTBot and PerplexityBot read example.com?"
"Does example.com have a working llms.txt?"
"Which domains link to example.com?"

Limits

Also from CitedBy: citedby-check, the same AI-crawler check as a command-line tool and GitHub Action.

Questions: [email protected]. MIT licence.