# CopilotKit

> CopilotKit is an open-source company building the interface layer between humans and AI agents. Its SDK and the open AG-UI protocol let developers embed agents directly inside apps - rendering interactive UI, sharing state, and supporting human-in-the-loop workflows - instead of bolting on a text-only chatbot. Founded in 2023 by brothers Atai and Uli Barkai and headquartered in the Seattle area, the company raised a $27M Series A in May 2026 and counts Google, Microsoft, Amazon, Oracle, and a large share of the Fortune 500 among adopters of its protocol.

- **Founded:** 2023
- **Headquarters:** Seattle, Washington, United States
- **Founders:** Atai Barkai (Co-founder & CEO), Uli Barkai (Co-founder & Head of Growth)
- **Team size:** ~22-25 employees
- **Products:** CopilotKit SDK, AG-UI Protocol, CoAgents, Enterprise / Agent Intelligence, CLI
- **Notable:** Created AG-UI, an open protocol adopted by Google, Microsoft, Amazon and Oracle., 35k+ GitHub stars and 4.4k+ forks on the main repository., Millions of weekly installs across AG-UI and CopilotKit.

## Products & services

- **CopilotKit SDK** — Open-source frontend stack for building agentic and generative-UI applications. Provides React, Angular, Vue, React Native and chat-platform components, backend tool rendering, shared state, and human-in-the-loop workflows.
- **AG-UI Protocol** — Open, bi-directional standard for how AI agents connect to and communicate with user-facing applications. Adopted by Google, Microsoft, Amazon, Oracle, LangChain, Mastra and PydanticAI.
- **CoAgents** — Framework for building full-stack, human-in-the-loop agent applications with LangGraph (Python and JS) and the LangGraph Platform.
- **Enterprise / Agent Intelligence** — Self-hostable enterprise infrastructure for deploying user-facing agents, with support, observability, security boundaries and business features.
- **CLI** — Quick-start tooling - 'npx copilotkit@latest create' - to scaffold an agent-native app in minutes.

## Achievements

- Created AG-UI, an open protocol adopted by Google, Microsoft, Amazon and Oracle.
- 35k+ GitHub stars and 4.4k+ forks on the main repository.
- Millions of weekly installs across AG-UI and CopilotKit.
- Raised $27M ($20M Series A + $7M seed) led by Glilot Capital, NFX and SignalFire in May 2026.
- Adopted by Fortune 500 companies including Deutsche Telekom, Docusign, Cisco and S&P Global.

## Latest updates

- **2026-05** — Raised $27M ($20M Series A plus $7M seed) led by Glilot Capital, NFX and SignalFire; launched enterprise product for user-facing agentic apps.
- **2026-05** — AG-UI protocol adoption confirmed by Google, Microsoft, Amazon and Oracle.

## Links

- Website: https://copilotkit.ai
- LinkedIn: https://www.linkedin.com/company/copilotkit
- Twitter/X: https://twitter.com/CopilotKit
- GitHub: https://github.com/CopilotKit/CopilotKit
- YouTube: https://www.youtube.com/@CopilotKit

---

Profile page: https://yespress.io/copilotkit
Published by YesPress — https://yespress.io
Last updated: 2026-06-19