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Paper Search MCP
MCP, CLI, Skills for searching and downloading academic papers from multiple sources like arXiv, PubMed, bioRxiv, etc.
Install
$
npx -y @smithery/cli install @openags/paper-search-mcp --client claudeClaude Code
claude mcp add paper-search-mcp -- npx -y @smithery/cli install @openags/paper-search-mcp --client claudeCursor / Claude Desktop (mcp.json)
{
"mcpServers": {
"paper-search-mcp": {
"command": "npx",
"args": [
"-y",
"@smithery/cli",
"install",
"@openags/paper-search-mcp",
"--client",
"claude"
]
}
}
}Install command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →Paper Search MCP
A Model Context Protocol (MCP) server for searching and downloading academic papers from multiple sources. The project follows a free-first strategy: prioritize open and public data sources, support optional API keys when they improve stability or coverage, and keep source-specific connectors extensible for advanced users.
Table of Contents
- Overview
- Project Principles
- MCP Authorization Compatibility
- Features
- Source Strategy
- Sci-Hub Notice
- Installation
- Contributing
- Demo
- Star History
- License
- TODO
Overview
paper-search-mcp is a Python-based tool for searching and downloading academic papers from various platforms. It provides tools for searching papers, downloading PDFs, and extracting text, making it ideal for researchers and AI-driven workflows. It can be used as an MCP server (for Claude Desktop and other MCP clients) or as a Claude Code skill with a CLI interface.
Project Principles
- Free-First: Public and open sources are the default roadmap. Paid or restricted sources are not the core direction of this project.
- Optional API Keys: API keys are supported only when they improve stability, rate limits, or metadata quality. The MCP should still be usable without them whenever possible.
- LLM-Friendly Retrieval: Search results should be standardized, deduplicated, and as complete as possible for downstream LLM workflows.
- Source Transparency: Different sources have different strengths. The MCP should make those tradeoffs explicit instead of pretending every source supports full-text retrieval.
MCP Authorization Compatibility
The bundled MCP server supports stdio (the default), sse, and streamable-http. Network transports bind to 127.0.0.1 by default. Optional OAuth protected-resource mode adds standard discovery, JWT bearer-token validation and required scopes to both HTTP transports, using an external authorization server.
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