unpaywall 2 tools

MCP server exposing 2 tools for unpaywall.

Endpoint

This URL is a JSON-RPC 2.0 endpoint over HTTP. Issue POST requests with a JSON-RPC body. Browsers and search crawlers land here on GET.

POST https://gateway.pipeworx.io/unpaywall/mcp
Content-Type: application/json

{"jsonrpc":"2.0","id":1,"method":"tools/list"}

Tools

• get_oa — Given a DOI, fetch open-access status and the best free legal copy if one exists. Returns is_oa, oa_status (gold | green | hybrid | bronze | closed), best location (URL, host type, license), and journal metadata.
• search_papers — Keyword search across Unpaywall's coverage of scholarly papers. Optionally restrict to OA-only. Returns up to 50 results per page.

Full documentation

Code samples (curl / TypeScript / one-click client install), schemas, and the live playground are on the pack page:
https://pipeworx.io/packs/unpaywall/

About Pipeworx

Pipeworx is an open MCP gateway connecting AI agents to live data. pipeworx.io