Unpaywall MCP Server: Install & Setup

Install Unpaywall in Claude Code

Remote URL

Claude Code

claude mcp add --transport http pipeworx-io-unpaywall https://gateway.pipeworx.io/unpaywall/mcp

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

{
  "mcpServers": {
    "pipeworx-io-unpaywall": {
      "url": "https://gateway.pipeworx.io/unpaywall/mcp"
    }
  }
}

npm

Claude Code

claude mcp add pipeworx-io-unpaywall -- npx -y @pipeworx/mcp-unpaywall

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

{
  "mcpServers": {
    "pipeworx-io-unpaywall": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-unpaywall"
      ]
    }
  }
}

Frequently asked questions

What does the Unpaywall MCP server do?

Unpaywall MCP — open-access lookup for scholarly papers (free, no key)

Is the Unpaywall MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Unpaywall run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add Unpaywall to Claude Code?

Run: claude mcp add --transport http pipeworx-io-unpaywall https://gateway.pipeworx.io/unpaywall/mcp

More other tools & integrations MCP servers

View all

Reactive Resume

45k

reactive-resume/reactive-resume

Free open-source resume builder with remote MCP tools for resumes and job applications.

RemoteFree

Puter

44k

HeyPuter/puter

Puter MCP enables AI tools to interact with Puter: manage files, websites, workers, and more

RemoteAccount needed

Pascal 3D Editor

25k

pascalorg/editor

Create, inspect, validate, and save editable 3D building scenes with Pascal's MCP server.

Local + RemoteFree

Oh My Posh Validator

24k

JanDeDobbeleer/oh-my-posh

Validate oh-my-posh configurations and segment snippets against the official schema.

RemoteAccount needed

InstantDB

11k

instantdb/instant

Create, manage, and update applications on InstantDB, the modern Firebase.

LocalFree

Nhost

9.4k

nhost/nhost

Let your users work with their own data through an AI assistant, limited to what they can see.

LocalFree