SERVER

Unpaywall

Rank #29060

pulsemcp/pipeworx-io-unpaywall

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

First listed
May 11, 2026
Last publish date
May 11, 2026
OVERVIEW

Unpaywall is a Model Context Protocol (MCP) server published by pipeworx-io. It ranks #29060 of 58,832 servers tracked on MCP Toplist. Unpaywall is listed across 2 registries — Official MCP and PulseMCP, with 1 tracked version. It was first listed on May 11, 2026 and most recently updated on May 11, 2026.

STANDING
#29,060of 58,832 tracked serversTop 50%

Ranks ahead of 29,772 of 58,832 servers on MCP Toplist.

REGISTRIES

Listed on 2 registries

ORGANIZATION

pipeworx-io

Organization
Total servers
565
Total versions
440
MORE FROM THIS PUBLISHER

Other servers by pipeworx-io

View all pipeworx-io servers →
VERSIONS

Available versions (1)

VersionPublished
0.1.0May 11, 2026
FAQ

Frequently asked questions

What is Unpaywall?
Unpaywall MCP — open-access lookup for scholarly papers (free, no key)
Who maintains Unpaywall?
Unpaywall is maintained by pipeworx-io, which publishes 565 MCP servers (440 total versions) tracked on MCP Toplist.
Is Unpaywall an official MCP server?
Yes — Unpaywall is listed on the Official MCP Registry, alongside PulseMCP.
How many versions does Unpaywall have?
MCP Toplist tracks 1 version of Unpaywall, most recently published on May 11, 2026.
Where can I find the source code for Unpaywall?
The source code for Unpaywall is hosted at github.com/pipeworx-io/mcp-unpaywall.
EXPLORE
Unpaywall - MCP Server #29060 | MCP Toplist