Environment variable OPENALEX_API_KEY
No value of this variable is held in this registry. The registry knows only the name the source states.
Entries naming OPENALEX_API_KEY as an ordinary environment variable
| Citation Network MCP | io.github.michalhron/citation-network-mcp | Citation-network analysis on Scopus or OpenAlex: coupling, co-citation, lineages, bibliometrics. |
|---|---|---|
| CiteGuard | io.github.lonexreb/retractguard | Open watchdog for retracted & problematic citations: Retraction Watch, OpenAlex, Crossref. |
| CiteNexus | io.github.akougkas/cite-nexus-mcp | Search scholarly sources, verify references, and export citations with traceable evidence. |
| Literature Review Council | io.github.Ravicha2/lit-review-council | Multi-agent literature review: research, peer review, and synthesize grounded reports. |
| Scholar MCP | io.github.Liyux3/scholar-mcp | Federated academic search, citation traversal, persistent PDF download, and temporary reading. |
| Scopus Plus MCP | io.github.michalhron/scopus-plus-mcp | Scopus and more: search, full text, citation networks, journal quality, bibliometrics. |
| openalex-mcp-server in namespace io.github | io.github.cyanheads/openalex-mcp-server | Access the OpenAlex academic research catalog — 270M+ publications. |
| preprint-fulltext in namespace io.github | io.github.genecell/preprint-fulltext | bioRxiv/medRxiv/arXiv preprint full text as structured sections for AI agents + search. |
Start of the description from the source registry (first sentence, at most 160 characters), untranslated and unverified
Entries naming OPENALEX_API_KEY as a secret required variable
No entry.
What the sources write about this name
| Citation Network MCP | Free OpenAlex key; raises the daily OpenAlex budget tenfold. |
|---|---|
| CiteGuard | OpenAlex API key (required for live OpenAlex lookups and watch_institution). |
| CiteNexus | Key for explicitly selected OpenAlex queries; account credits apply |
| Literature Review Council | OpenAlex API key for academic search |
| Scopus Plus MCP | Free OpenAlex key; raises the daily OpenAlex budget tenfold. |
| openalex-mcp-server in namespace io.github | OpenAlex account API key, sent as api_key= - optional (free from https://openalex.org/settings/api). Without it, anonymous rate limits apply. |
| preprint-fulltext in namespace io.github | OpenAlex API key (only needed for OpenAlex discover/search; required by OpenAlex since 2026-02-13). |
Taken verbatim from the source, one line per entry. The text is a vendor's own statement and is neither checked nor shortened.
To the environment variable index
Version of the extraction rule: 1.1. The names are formed by splitting the stored original data at the separator this registry set when reading it in. Counted across the 41,867 published entries.
tracevero · https://tracevero.com/variable/OPENALEX_API_KEY