CopilotKit

What it is good for

• Adding a chat assistant with live actions to a web app
• Letting an AI agent show interactive UI inside a product
• Pausing an AI agent for user approval before it acts
• Connecting an existing agent to React, Angular, or Slack

At a glance

Who it is for

• Developers
• Solo founders
• Vibe coders

Setup

Requires programming

Level 5 of 5. You need to write code to use it.

Cost

Free and open source

Type

Framework or SDK

Tasks

• Build an app without writing code yourself
• Build a chatbot or assistant for your business

Works with

React, Next.js, Angular, Vue, React Native, Slack

Momentum

Rank this week

Not ranked yet

Best rank

None yet

GitHub stars

38,467

GitHub numbers as of Nov 2, 2026. Updated weekly.

Official links

Setup steps are on the official pages. We do not repeat them here, since they change.

• Official website
• Source code on GitHub

Questions

Is CopilotKit free?

Yes. It is free and open source (MIT license).

Do I need to know how to code to use CopilotKit?

Yes. You need to write code to use it.

What does CopilotKit work with?

According to its own documentation, it works with React, Next.js, Angular, Vue, React Native, and Slack.

What is CopilotKit good for?

Adding a chat assistant with live actions to a web app, letting an AI agent show interactive UI inside a product, pausing an AI agent for user approval before it acts, and connecting an existing agent to React, Angular, or Slack.

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