Open Data

OpenCitations MCP Server

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

3 tools
Agent guide included
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AI Skill
SKILL.md

Domain knowledge for OpenCitations — workflow patterns, data models, and gotchas for your AI agent.

OpenCitations

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

Data Model

  • Citations — works that cite a given DOI; scoped by DOI.
  • References — works cited by a given DOI; scoped by DOI.
  • Metadata — bibliographic info for a DOI.

Gotchas

  • DOI format: Use full DOI (e.g. 10.1038/nature12373); no URL prefix.

Tools in this Server (3)

Opencitations Get Metadata

Fetch bibliographic metadata for a DOI using OpenCitations Meta API.

Opencitations List Citations By Doi

List incoming citations for a DOI using OpenCitations Index API.

Opencitations List References By Doi

List outgoing references for a DOI using OpenCitations Index API.

Frequently Asked Questions

What is the OpenCitations MCP server?

OpenCitations provides open bibliographic and citation data. Use it to fetch citations and references by DOI and to look up bibliographic metadata. It provides 3 tools that AI agents can use through the Model Context Protocol (MCP).

How do I connect OpenCitations to my AI agent?

Add the MCPBundles server URL to your MCP client configuration (Claude Desktop, Cursor, VS Code, etc.). The URL format is: https://mcp.mcpbundles.com/bundle/opencitations. Authentication is handled automatically.

How many tools does OpenCitations provide?

OpenCitations provides 3 tools that can be called by AI agents, along with a SKILL.md that gives your AI agent domain knowledge about when and how to use them.

What authentication does OpenCitations require?

OpenCitations uses open data APIs — no authentication required.

Setup Instructions

Connect OpenCitations to any MCP client in minutes

https://mcp.mcpbundles.com/bundle/opencitations

What is MCP?

Model Context Protocol lets AI tools call external capabilities securely through a single URL. This bundle groups tools behind an MCP endpoint that many clients can use.

Use this bundle in 3 steps

  1. Copy the MCP URL above
  2. Open your AI tool and add a new MCP/connector
  3. Paste the URL and follow any auth prompts

Claude Desktop Users

Skip the manual setup! Use the .mcpb file format for one-click installation. Check the Claude Desktop tab for setup instructions.

Pick your tool tab for exact steps

Select ChatGPT, Cursor, Claude Code, or another tab for copy-paste config.

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OpenCitations MCP Server & Skill — 3 Tools