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Citation Check

Official registry Other

Does a cited URL exist, and does the source name what your claim names? Two answers.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http citation-check 'https://exmachina-ai.fly.dev/verify'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "citation-check": {
            "type": "http",
            "url": "https://exmachina-ai.fly.dev/verify"
        }
    }
}

Frequently asked questions

What is Citation Check?

Does a cited URL exist, and does the source name what your claim names? Two answers.

How do I install Citation Check?

It runs as a remote server. In Claude Code: claude mcp add --transport http citation-check 'https://exmachina-ai.fly.dev/verify'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Citation Check need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains Citation Check?

It is published by SecondStageTurbine. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.