📎 Paperclip is a Model Context Protocol (MCP) server that enables searching and retrieving research papers from Arxiv, the Open Science Framework (OSF) API, and OpenAlex.

Important the server is no longer hosted on paperclip.matsjfunke.com/mcp you need to host it yourself! For that you can fork this repo and use the deploy.yml Github Action to host on a simple VPS (my simple VPS setup guide)

Quick Start

Setup the paperclip MCP server in your host via the server url no authentication is needed.

Example JSON for cursor:

{
  "mcpServers": {
    "paperclip": {
      "url": "https://<your-server-domain.com>/mcp"
    }
  }
}

Table of Contents

• Quick Start
• Usage Examples
• Supported Paper providers
• Preprint Providers to be added
• Contributing

Usage Examples

Here are examples of Paperclip integrated with popular MCP clients:

Cursor IDE:

Langdock:

Supported Paper providers

• AfricArXiv
• AgriXiv
• ArabXiv
• arXiv
• BioHackrXiv
• BodoArXiv
• COP Preprints
• EarthArXiv
• EcoEvoRxiv
• ECSarxiv
• EdArXiv
• EngrXiv
• FocusArchive
• Frenxiv
• INArxiv
• IndiaRxiv
• Law Archive
• LawArXiv
• LISSA
• LiveData
• MarXiv
• MediArXiv
• MetaArXiv
• MindRxiv
• NewAddictionSx
• NutriXiv
• OpenAlex
• OSF Preprints
• PaleoRxiv
• PsyArXiv
• SocArXiv
• SportRxiv
• Thesis Commons

Preprint Providers to be added

List of preprint repositorys

• bioRxiv & medRxiv both share the underlying api structure (https://api.biorxiv.org/pubs/[server]/[interval]/[cursor] where [server] can be "biorxiv" or "medrxiv")
• ChemRxiv
• hal open science
• research square
• osf preprints
• preprints.org
• science open
• SSRN
• synthical

Contributing

Interested in contributing to Paperclip? Check out our Contributing Guide for development setup instructions, testing procedures, and more!