Under the River (2026) - Shopify

What this post added

This post introduces Aquifer, a platform for running AI agents, and River, an AI agent that coauthors pull requests. Aquifer provides a durable session, harness, sandbox, and gateway for AI agents, ensuring conversations survive process death. River operates in public Slack channels, leveraging the monorepo 'World' for knowledge and skills. The platform enables various agent profiles (e.g., PR review, research) and supports interactive, automation, and job modes.