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Research papers

Official registry Search and web

arXiv, PubMed, Crossref and OpenAlex scholarly metadata.

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 research-papers 'https://fourzerotwo.si/mcp/v/research' --header 'X-API-Key: <Optional free key from https://fourzerotwo.si/free (raises the free allowance from 100 to 500 calls/day)>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "research-papers": {
            "type": "http",
            "url": "https://fourzerotwo.si/mcp/v/research",
            "headers": {
                "X-API-Key": "<Optional free key from https://fourzerotwo.si/free (raises the free allowance from 100 to 500 calls/day)>"
            }
        }
    }
}

Frequently asked questions

What is Research papers?

arXiv, PubMed, Crossref and OpenAlex scholarly metadata.

How do I install Research papers?

It runs as a remote server. In Claude Code: claude mcp add --transport http research-papers 'https://fourzerotwo.si/mcp/v/research' --header 'X-API-Key: <Optional free key from https://fourzerotwo.si/free (raises the free allowance from 100 to 500 calls/day)>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Research papers need an API key?

Yes. It expects X-API-Key, which you set in its configuration.

Who maintains Research papers?

It is published by si.fourzerotwo. 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.