Read what ships.

01Dropbox · architecture

Evolving our calendar assistant Reclaim to be AI-native without starting over

Dropbox engineers evolved their calendar assistant, Reclaim, to support natural-language AI requests by building a custom agent platform that integrates with existing scheduling logic. They utilized a shared action system and a Preview Mode backed by Redis to ensure AI suggestions are consistent and reviewable before affecting real calendars. This approach allows the product to adopt AI capabilities without fragmenting its core architecture or duplicating functionality.

DEPTH ■■■■■7 min read3 weeks ago

InfrastructureMachine Learning

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02Yelp · architecture

The making of the Yelp Assistant UI

Yelp developed a chat interface called Yelp Assistant using a hybrid approach combining native UI components and a server-driven UI framework called CHAOS. This architecture allows the team to dynamically update the chat experience without waiting for app store releases. The system separates views from data using reactive datasets and MessageEvents to manage the chat loop, state, and user interactions.

DEPTH ■■■■■12 min read3 weeks ago

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03Heroku · architecture

Front-End Web Deep Dive: Runtime Config

Front-end web applications traditionally bake environment variables into build artifacts, requiring a full rebuild to change configurations across environments. To solve this, a new approach injects runtime environment variables directly into the HTML document's head element as data attributes via a Cloud Native Buildpack. This enables zero-rebuild configuration changes while remaining compatible with browser security standards like CSP.

DEPTH ■■■■■3 min read10 days ago

Frontend

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