Paper Search MCP
A Model Context Protocol (MCP) server for searching and downloading academic papers from multiple sources, including arXiv, PubMed, bioRxiv, and Sci-Hub (optional). Designed for seamless integration with large language models like Claude Desktop.

Table of Contents
Overview
paper-search-mcp is a Python-based MCP server that enables users to search and download academic papers from various platforms. It provides tools for searching papers (e.g., search_arxiv) and downloading PDFs (e.g., download_arxiv), making it ideal for researchers and AI-driven workflows. Built with the MCP Python SDK, it integrates seamlessly with LLM clients like Claude Desktop.
Features
- Multi-Source Support: Search and download papers from arXiv, PubMed, bioRxiv, medRxiv, Google Scholar, IACR ePrint Archive, Semantic Scholar.
- Deep Research Ready: Provides the standardized
search and fetch tools required by OpenAI Deep Research and ChatGPT connectors.
- Standardized Output: Papers are returned in a consistent dictionary format via the
Paper class.
- Asynchronous Tools: Efficiently handles network requests using
httpx.
- MCP Integration: Compatible with MCP clients for LLM context enhancement.
- Extensible Design: Easily add new academic platforms by extending the
academic_platforms module.
Installation
paper-search-mcp can be installed using uv or pip. Below are two approaches: a quick start for immediate use and a detailed setup for development.
Installing via Smithery
To install paper-search-mcp for Claude Desktop automatically via Smithery:
npx -y @smithery/cli install @openags/paper-search-mcp --client claude
Quick Start
For users who want to quickly run the server:
-
Install Package:
-
Configure Claude Desktop:
Add this configuration to ~/Library/Application Support/Claude/claude_desktop_config.json (Mac) or %APPDATA%\Claude\claude_desktop_config.json (Windows):
{
"mcpServers": {
"paper_search_server": {
"command": "uv",
"args": [
"run",
"--directory",
"/path/to/your/paper-search-mcp",
"-m",
"paper_search_mcp.server"
],
"env": {
"SEMANTIC_SCHOLAR_API_KEY": ""
}
}
}
}
Note: Replace /path/to/your/paper-search-mcp with your actual installation path.
For Development
For developers who want to modify the code or contribute:
-
Setup Environment:
curl -LsSf https://astral.sh/uv/install.sh | sh
git clone https://github.com/openags/paper-search-mcp.git
cd paper-search-mcp
uv venv
source .venv/bin/activate
-
Install Dependencies:
uv add -e .
uv add pytest flake8
Contributing
We welcome contributions! Here's how to get started:
-
Fork the Repository:
Click "Fork" on GitHub.
-
Clone and Set Up:
git clone https://github.com/yourusername/paper-search-mcp.git
cd paper-search-mcp
pip install -e ".[dev]"
-
Make Changes:
- Add new platforms in
academic_platforms/.
- Update tests in
tests/.
-
Submit a Pull Request:
Push changes and create a PR on GitHub.
Demo
TODO
License
This project is licensed under the MIT License. See the LICENSE file for details.
Happy researching with paper-search-mcp! If you encounter issues, open a GitHub issue.