Slack Agents Night: OpenTag running on the Channels SDK

CopilotKit’s Slack Agents Night showcased how its Channels SDK can bring AI agents into workplace messaging platforms, with live demonstrations of the internal Kite agent and the open-source OpenTag Slack agent. Kite created a pull request from a Slack conversation, requested approval before publishing it, and used native Slack Block Kit components for status updates, charts, cards, media, and approval forms. The SDK supports more than 20 agent frameworks through AG-UI, managing authentication and middleware while allowing developers to write JSX components once for rendering across Slack, Microsoft Teams, and other supported surfaces. OpenTag, which has surpassed 1,200 GitHub stars, is presented as a production-ready Slack agent template that can connect to a custom backend without requiring changes to its channel layer. The post also highlights related CopilotKit updates, including OpenBot’s expanded enterprise and automation capabilities, full AG-UI compatibility for Mastra agents, and a React Native SDK for embedding agents in iOS and Android applications.

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