Arxivsub MCP Server: Install & Setup

Install Arxivsub in Claude Code

Claude Code

claude mcp add arxivsub -e ARXIVSUB_SKILL_KEY=... -- npx -y arxivsub-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "arxivsub": {
      "command": "npx",
      "args": [
        "-y",
        "arxivsub-mcp"
      ],
      "env": {
        "ARXIVSUB_SKILL_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Arxivsub MCP server do?

Search arXiv and major AI/ML/CV/NLP/robotics conference papers and their related work.

Is the Arxivsub MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Arxivsub run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Arxivsub to Claude Code?

Run: claude mcp add arxivsub -e ARXIVSUB_SKILL_KEY=... -- npx -y arxivsub-mcp

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