CopilotKit
Infrastructure for app-native AI agents
About
CopilotKit, founded by Israeli brothers Atai Barkai and Uli Barkai, is a Seattle-based startup that develops an infrastructure protocol enabling AI agents to operate seamlessly within existing software applications. Their AG-UI protocol facilitates developers in deploying app-native AI agents that enhance user experience by integrating AI-powered assistants directly in the apps users already use. CopilotKit raised $27 million including $20.5 million in a Series A led by Glilot Capital, NFX, and SignalFire, targeting developer teams and software companies aiming to add AI agent capabilities to their products.
Products
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Enterprise Intelligence
— Platform delivering AI-powered insights and agentic features inside applications, Slack, and Teams.
Customer sectors: enterprise IT, SaaS companies, AI product teams
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AG-UI Protocol
— Bi-directional connection protocol between user-facing apps and agentic backends for AI-powered interaction.
Customer sectors: developers, enterprise software, AI platform engineers
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Generative UI
— Enables AI agents to render rich, interactive user interfaces across apps, Slack, and Teams.
Customer sectors: app developers, AI UX designers, enterprise software
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Frontend SDKs
— React and Angular SDKs providing APIs and UI components to quickly build AI-powered frontends.
Customer sectors: frontend developers, software engineers, SaaS companies
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Channels
— Unified frontend stack to deploy agentic UIs across web, Slack, Teams, mobile, and messaging platforms.
Customer sectors: enterprise IT, product teams, cross-channel app developers
Market research & competitive positioning
Source-backed TAM / SAM / SOM sizing, displacement analysis, and an interactive peer positioning map for CopilotKit — available to members.
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