I Built Rosetta: An AI Agent That Turns a Notion Row Into a Personalized Onboarding Experience

New hires don't fail because they're unqualified. They fail because the context is scattered, the answers are buried, and the first week is chaos. I've seen it happen. Someone joins a team, gets handed a GitHub org invite and a Confluence link from 2021, and is expected to be productive in two weeks. The knowledge exists — it's just locked inside senior engineers' heads, old PRs, and READMEs nobody's updated since the rewrite. So I built Rosetta. 🤔 What It Does Rosetta is a CLI-driven onboarding agent. A team lead fills in a row in Notion — name, role, GitHub repos, a few notes — marks it Ready, and walks away. Within minutes, Rosetta has: 🔍 Researched every assigned repository using Claude as the orchestrating agent 📖 Generated a personalized, eight-section onboarding wiki in Notion 🧠 Embedded the wiki (including images from READMEs) using Gemini multimodal embeddings 💬 DMed the new hire in Slack with a link 🔔 DMed the supervisor with a provisioning checklist inferred from the r