Install to Claude Code
Summary
Search 150M+ academic works, journals, and funders via Crossref API.
Overview
Search 150M+ academic works, journals, and funders via Crossref API.
Add crossref-mcp-server to your MCP-capable client — Claude Code, Cursor, Codex, and others — by following the setup at the source, which documents the exact command, configuration, and any required API keys.
Elasticsearch MCP
elastic/mcp-server-elasticsearch
Exa MCP
exa-labs/exa-mcp-server
Firecrawl MCP
mendableai/firecrawl-mcp-server
Perplexity MCP
ppl-ai/modelcontextprotocol
Qdrant MCP
qdrant/mcp-server-qdrant
Tavily MCP
tavily-ai/tavily-mcp