CrossRef MCP Server for Claude Code 3 tools — connect in under 2 minutes
Claude Code is Anthropic's agentic CLI for terminal-first development. Add CrossRef as an MCP server in one command and Claude Code will discover every tool at runtime. ideal for automation pipelines, CI/CD integration, and headless workflows via Vinkius.
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Vinkius Desktop App
The modern way to manage MCP Servers — no config files, no terminal commands. Install CrossRef and 2,500+ MCP Servers from a single visual interface.
# Your Vinkius token. get it at cloud.vinkius.com
claude mcp add crossref --transport http "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About CrossRef MCP Server
Give your AI agent direct access to the world's largest registry of scholarly metadata — 140M+ records spanning every DOI ever assigned across all scientific publishers.
Claude Code registers CrossRef as an MCP server in a single terminal command. Once connected, Claude Code discovers all 3 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where CrossRef data drives decisions without human intervention.
What you can do
- Universal Search — Find any published work across journals, books, conference papers, datasets, and dissertations using free-text queries
- DOI Resolution — Instant metadata lookup for any DOI with title, complete author list, journal, year, type, and citation count
- Author Discovery — Search for all publications by a specific researcher name across all major publishers simultaneously
The CrossRef MCP Server exposes 3 tools through the Vinkius. Connect it to Claude Code in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect CrossRef to Claude Code via MCP
Follow these steps to integrate the CrossRef MCP Server with Claude Code.
Install Claude Code
Run npm install -g @anthropic-ai/claude-code if not already installed
Add the MCP Server
Run the command above in your terminal
Verify the connection
Run claude mcp to list connected servers, or type /mcp inside a session
Start using CrossRef
Ask Claude: "Using CrossRef, show me...". 3 tools are ready
Why Use Claude Code with the CrossRef MCP Server
Claude Code provides unique advantages when paired with CrossRef through the Model Context Protocol.
Single-command setup: `claude mcp add` registers the server instantly. no config files to edit or applications to restart
Terminal-native workflow means MCP tools integrate seamlessly into shell scripts, CI/CD pipelines, and automated DevOps tasks
Claude Code runs headlessly, enabling unattended batch processing using CrossRef tools in cron jobs or deployment scripts
Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features
CrossRef + Claude Code Use Cases
Practical scenarios where Claude Code combined with the CrossRef MCP Server delivers measurable value.
CI/CD integration: embed CrossRef tool calls in your deployment pipeline to validate configurations or fetch secrets before shipping
Headless batch processing: schedule Claude Code to query CrossRef nightly and generate reports without human intervention
Shell scripting: pipe CrossRef outputs into other CLI tools for data transformation, filtering, and aggregation
Infrastructure monitoring: run Claude Code in a cron job to query CrossRef status endpoints and alert on anomalies
CrossRef MCP Tools for Claude Code (3)
These 3 tools become available when you connect CrossRef to Claude Code via MCP:
get_crossref_doi
g. 10.1038/nature12373) and get complete metadata: title, all authors, journal, year, type, citation count, and abstract. Look up any scholarly work by its DOI
search_crossref
Every result includes DOI, citation count, and full bibliographic data. The world's largest DOI registry. Search 140M+ scholarly works across all scientific disciplines
search_crossref_author
Returns their publications sorted by relevance with citation counts. Find publications by a specific author
Example Prompts for CrossRef in Claude Code
Ready-to-use prompts you can give your Claude Code agent to start working with CrossRef immediately.
"Look up the paper with DOI 10.1038/nature12373 and show me all its details."
"Find all publications by Jennifer Doudna related to gene editing."
"Search CrossRef for the latest research on quantum computing error correction."
Troubleshooting CrossRef MCP Server with Claude Code
Common issues when connecting CrossRef to Claude Code through the Vinkius, and how to resolve them.
Command not found: claude
npm install -g @anthropic-ai/claude-codeConnection timeout
CrossRef + Claude Code FAQ
Common questions about integrating CrossRef MCP Server with Claude Code.
How do I add an MCP server to Claude Code?
claude mcp add --transport http "" in your terminal. Claude Code registers the server and discovers all tools immediately.Can Claude Code run MCP tools in headless mode?
How do I list all connected MCP servers?
claude mcp in your terminal to see all registered servers and their status, or type /mcp inside an active Claude Code session.Connect CrossRef with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
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Google's framework for building production AI agents.
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TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect CrossRef to Claude Code
Get your token, paste the configuration, and start using 3 tools in under 2 minutes. No API key management needed.