A few weeks ago, OpenAI conducted their third DevDay and announced some exciting things for developers. One of the update was around OpenAI Apps SDK. This new Apps SDK allows users to interact with actual applications right in chat and does not require any additional installations or opening a new tab. Among ChatGPT’s 800 million users, tasks like creating playlists, taking courses, or looking for real estate to buy can now all happen in a single conversation. In this article, I will tell you everything about Apps SDK and how to access it.
The Apps SDK is an open-source toolkit from OpenAI that is built on the MCP, allowing developers to create conversational apps that run directly inside ChatGPT.
Rather than solely answering questions, ChatGPT can actively engage with third-party apps,retrieving data, generating tasks, and providing interactive features that seamlessly integrate into conversation.
Available in preview, the SDK facilitates the development, testing and deployment of apps in a simple way. It provides an easy, secure and scalable means for distribution of apps inside ChatGPT for developers at startups and at established organizations.
Also Read: OpenAI’s AgentKit and Agent Builder

To access the SDK:

Test your app directly in ChatGPT and view live UI rendering.
Let’s say you’re organizing a party and need a playlist. The Apps SDK, is making this easy and conversational.
Just say, “Spotify, please make a playlist for my party on Friday.”


ChatGPT interprets your request and suggests the Spotify app. Upon first use, you’ll securely link your account with full transparency over the permissions being granted.
From there, a simple chat experience guides you: just describe the vibe, genre, or artists you have in mind using natural language. Within seconds, a custom playlist is generated directly in the chat.
You can then listen to it, swap out songs, and share it, all without leaving ChatGPT.
The SDK for applications is not specific to entertainment. Its versatility has enabled developers to begin to build all different types of experiences.
OpenAI’s Apps SDK is not just a developer update,it’s the blueprint for the next digital revolution. With its MCP foundation, built-in discovery, it empowers any developer to bring services directly into users’ conversations. Whether you’re creating music, designing visuals, managing tasks, or exploring new learning experiences, your app can now live, breathe, and interact inside ChatGPT. The message for innovators is clear: start building now, because the conversation is the new interface, and ChatGPT is its platform.