A calmer second brain · now in private beta

Cultivate your roost.

A second brain that lives in the cloud — one private library for the articles, quotes, and personal notes worth keeping. Browse it like a magazine, ask your AI anything, and share collections with friends.

Free while in beta · your library is yours, never sold

Clip from anywhere you read

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The library

A library worth looking at.

No folders of forgotten links. Every clip, quote, and note laid out like a magazine you’d actually want to open — and findable the moment it matters.

the-atlantic.com

The quiet web is still out there

Away from the feeds, a slower internet of personal sites and small rooms keeps growing.

The point isn't to save more — it's to make what you saved findable when it matters.

I want my tools to feel less like productivity and more like a long Sunday afternoon.

@robinrendle

The function of a library is to make doubt productive.

Umberto Eco

A garden is a grammatical place. Things grow because of the order you put them in.

themarginalian.org

On keeping a commonplace book

For centuries, readers copied what moved them into a book of their own.

Re-read ch. 4 before writing the capture spec. Make it calm, make it yours.

Ask anything

You browse it.
Your AI queries it.

It all lives in the cloud as one structured library — open it like a magazine, or connect Claude, ChatGPT, or Gemini and ask in plain English. Same brain, two ways in. Only ever yours.

ClaudeChatGPTGemini+ anything that speaks MCP

What was that article I saved about keeping a commonplace book?

You clipped “On keeping a commonplace book” from themarginalian.org last week. You highlighted one line: “readers copied what moved them into a book of their own.”
It’s in your Reading collection.

Share & learn together

Build a shared brain.

Share a collection with a friend and keep it growing together — research a trip, study a subject, or trade the best things you’ve each found.

Kyoto, in spring

3 keeping this

added by you

Temple gardens to see at dawn

added by maya

The tiny coffee bar near Nishiki

added by you

Article: the art of slow travel

Capture from anywhere

Keeping things should feel like nothing.

Clip from the web

A browser extension that saves the page, the quote, or the image in a click.

Save from your phone

Share anything to Roost from iOS or Android. It lands in your library, organized.

Forward an email

Send newsletters and receipts to your roost address — they file themselves.

your roost is coming.

We’re building the calmest place to keep what matters. Join the waitlist and we’ll let you in as we open the doors.