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HomeDocsClaude Documentation 17 Sep 2026
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Literature access changedclaude-science/literature-access

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Upstream edited this page at 17 Sep 2026 15:04 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 28 Sep 2026 22:07 UTC.

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1515Each credential in the **Literature access (journals, etc.)** form is optional and independent.
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17| Credential | Effect |
18| ---------------------------------------------- | ----------------------------------------------------------------------------------- |
19| **Elsevier API key** + institutional token | Enables the Elsevier route (subscription still required) |
20| **Springer Nature API key** | Enables the Springer Nature route |
21| **Semantic Scholar API key** | Speeds the Semantic Scholar step |
22| **NCBI API key** | Raises the PubMed rate limit from 3 to 10 requests per second |
23| **CORE API key** | Saved with your other literature keys. Claude's full-text retrieval doesn't use it. |
24| Institutional **EZproxy URL** + session cookie | Retries publisher links through your library |
17| Credential | Effect |
18| - | - |
19| **Elsevier API key** + institutional token | Enables the Elsevier route (subscription still required) |
20| **Springer Nature API key** | Enables the Springer Nature route |
21| **Semantic Scholar API key** | Speeds the Semantic Scholar step |
22| **NCBI API key** | Raises the PubMed rate limit from 3 to 10 requests per second |
23| **CORE API key** | Saved with your other literature keys. Claude's full-text retrieval doesn't use it. |
24| Institutional **EZproxy URL** + session cookie | Retries publisher links through your library |
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2626OpenAlex has its own entry in the same **Services** list: add a free **OpenAlex API key** there (create one on the [OpenAlex API settings page](https://openalex.org/settings/api)). OpenAlex requires a key on every request, so OpenAlex-backed literature search needs one configured.
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