Replai is an AI customer support agent for SaaS teams. It answers customer questions in a chat widget on a website or inside an app, LINE Official Accounts, Gmail, Messenger and Instagram, from the product documentation a team provides, and hands conversations to the team's shared inbox when a person is needed. Claude Code, Codex and other AI tools can set it up and run it over MCP or the CLI. It is operated by AIthentic LLC.