Sakha is a Slack-native AI knowledge base and onboarding platform for 20-500 person companies. Employees ask questions in Slack and get sourced answers from company docs. Includes automated onboarding flows, AI contract review with DOCX counter-drafts, and an AI policy generator. Built on Next.js, Supabase, OpenAI and Slack Bolt. Live at sakha.one, pre-revenue, ~85% projected gross margin. Ideal for an HR consultancy, PEO or recruiter with an existing client base.