Marginalia

Ask your library

Marginalia finds the items most relevant to your question, feeds them to the model, and answers with citations to your saved sources.

Your API key

Marginalia is a bring-your-own-key app. Your Anthropic key is stored only in this browser's local storage and sent directly to the Anthropic API from your browser — never to any server of ours (there is no server).

Get a key at console.anthropic.com.