Best Open Access AI Skills & MCP Servers
4 curated Open Access skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Smithsonian
Model Context Protocol (MCP) server for Smithsonian Open Access collections
Crossref
Resolve DOIs, search ~155M scholarly works, and fetch references via the Crossref REST API. STDIO or Streamable HTTP.
Scholar Sidekick
MCP server for Scholar Sidekick — resolve any scholarly identifier (DOI, PMID, PMCID, ISBN, arXiv, ISSN, ADS, WHO IRIS) into 10,000+ CSL styles or nine export formats, single or batch, plus retraction (Crossref / Retraction Watch), open-access (Unpaywall)
AI Research Assistant
The server provides immediate access to millions of academic papers through Semantic Scholar and arXiv, enabling AI-powered research with comprehensive search, citation analysis, and full-text PDF extraction from multiple sources (arXiv and Wiley open-access). - No API key is r
About Open Access skills on iClaude
iClaude is the universal install layer for AI skills. Every Open Access skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.