OpenCitations

OpenCitations provides open bibliographic and citation data. Use it to fetch citations and references by DOI and to look up bibliographic metadata.

This OpenCitations MCP server is compatible with any MCP client including Claude Desktop, Cursor, and other Model Context Protocol implementations.

Open Data

NONE, FIELDS

List incoming citations for a DOI using OpenCitations Index API.

List outgoing references for a DOI using OpenCitations Index API.

Fetch bibliographic metadata for a DOI using OpenCitations Meta API.

CategoryOpen Data

Auth TypeNONE, FIELDS

AddedDecember 27, 2025

UpdatedFebruary 1, 2026

Used By Tools

Having trouble configuring OpenCitations? Check the available resources below.