Official MCP RegistryHosted servergateway.pipeworx.io

Unpaywall

Open-access scholarly paper lookups from the Unpaywall database via the Pipeworx gateway.

Connect to Claude Code

Copy

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

Vendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.

Endpoints

Published in the official MCP registry as “Unpaywall”. Verified through the vendor namespace.