OpenAlex

API

Search a scholarly graph of papers, authors and institutions via API or MCP

Price: Free daily budget, then paid
Access: Optional key; MCP account sign-in

Docs
MCP
llms.txt

About

OpenAlex serves a CC0 research graph through REST and an official remote MCP server. Search works, follow citations and group institutional output. Basic API use needs no key; a free account gives a daily usage budget, with paid usage beyond it. MCP requires sign-in.

What you can do with it

Find recent open-access papers on a research topic
Follow citations and references between scholarly works
Compare research output across authors, institutions and topics

Get started

Try a REST query without a key or get a free account key
Search or filter works and select the fields you need
Connect MCP to https://mcp.openalex.org/mcp and sign in

Example

curl "https://api.openalex.org/works?search=machine%20learning&filter=is_oa:true&per_page=3"

Details

Hosting: Hosted service
Available in: Worldwide
MCP server: Remote