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Unpaywall MCP Server

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Unpaywall API providing open access status and full-text availability for scholarly articles.

5 tools
Agent guide included
No auth required
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AI Skill
SKILL.md

Domain knowledge for Unpaywall — workflow patterns, data models, and gotchas for your AI agent.

Unpaywall

Unpaywall provides open access status and full-text links for scholarly articles. Look up by DOI or search. No auth required.

Data Model

  • OA Status — open access status for a DOI.
  • DOI Metadata — metadata for a DOI.
  • Search — search OA articles.
  • Publisher Info — publisher data.
  • OA Statistics — aggregate OA statistics.

Gotchas

  • DOI required: Most lookups require DOI. Use format 10.1234/example.
  • Email param: Including email in requests improves rate limits (polite pool).

Tools in this Server (5)

Unpaywall Get Doi Metadata

Retrieve DOI metadata and registration information. Returns detailed DOI data including title, authors, journal, and publication details.

Unpaywall Get Oa Statistics

Retrieve open access statistics and trends from Unpaywall. Returns aggregated OA adoption statistics and trends (simulated for this implementation).

Unpaywall Get Oa Status

Check open access status and availability for scholarly articles using Unpaywall. Returns detailed information about article accessibility including ...

Unpaywall Get Publisher Info

Retrieve publisher information and OA policies for a given DOI. Returns publisher details and open access policies from Unpaywall data.

Unpaywall Search Oa Articles

Search for open access articles in the Unpaywall database. Returns articles that are available as open access, useful for finding freely available re...

Frequently Asked Questions

What is the Unpaywall MCP server?

Unpaywall API providing open access status and full-text availability for scholarly articles. It provides 5 tools that AI agents can use through the Model Context Protocol (MCP).

How do I connect Unpaywall to my AI agent?

Add the MCPBundles server URL to your MCP client configuration (Claude Desktop, Cursor, VS Code, etc.). The URL format is: https://mcp.mcpbundles.com/bundle/unpaywall. Authentication is handled automatically.

How many tools does Unpaywall provide?

Unpaywall provides 5 tools that can be called by AI agents, along with a SKILL.md that gives your AI agent domain knowledge about when and how to use them.

What authentication does Unpaywall require?

Unpaywall uses open data APIs — no authentication required.

Setup Instructions

Connect Unpaywall to any MCP client in minutes

https://mcp.mcpbundles.com/bundle/unpaywall

What is MCP?

Model Context Protocol lets AI tools call external capabilities securely through a single URL. This bundle groups tools behind an MCP endpoint that many clients can use.

Use this bundle in 3 steps

  1. Copy the MCP URL above
  2. Open your AI tool and add a new MCP/connector
  3. Paste the URL and follow any auth prompts

Claude Desktop Users

Skip the manual setup! Use the .mcpb file format for one-click installation. Check the Claude Desktop tab for setup instructions.

Pick your tool tab for exact steps

Select ChatGPT, Cursor, Claude Code, or another tab for copy-paste config.

Ready to chat with Unpaywall?

Same flow: Studio opens on this server after sign-in. Keep chatting to call tools from the conversation.

Unpaywall MCP Server & Skill — 5 Tools