Your app, inside ChatGPT and Claude
Build ChatGPT plugins
and MCP Apps.
Your components and APIs become a ChatGPT plugin that opens from the sidebar and answers in your own UI. You define the tools; we generate and host the MCP server. The same publish runs in Claude.
Interactive tools
Your design system.
In the conversation.
Your agent answers with your own components instead of text: product cards, dashboards, galleries, video and 3D. Each one is an Interactive tool with a JSON schema and a component allowlist, so the agent can show only the components you approved, validated on every render.
Built on MCP Apps, the standard ChatGPT plugins use.
ChatGPT apps and plugins run on MCP and its MCP Apps extension, the open standard Metabind is built on. Press publish and Metabind generates an MCP server from your tools, then hosts, scales and monitors it. One publish runs in ChatGPT, Claude and every MCP host.
Your UI, inline or fullscreen.
Your Interactive tools render right in the chat, or take over the screen for a full catalog, a dashboard or a checkout.
Opens from the ChatGPT sidebar.
Your app opens from the ChatGPT sidebar or as a tab in the conversation. You choose how in Metabind Studio.
No server to provision.
No transport code, no host conformance, no deploy pipeline. Every publish is versioned, and one switch rolls it back.
Already have an app? It's three steps from ChatGPT.
Convert
Your coding agent converts your SwiftUI, Jetpack Compose or React components, or a Figma file, into BindJS. The Metabind CLI imports them into your workspace and wraps your REST or GraphQL endpoints as Data tools. Your design system carries over. Only the syntax changes.
Playground
Talk to your agent before your customers do. The Playground in Metabind Studio runs your tools live, so you can change a component or the agent's system prompt and see the result in the same pass. To test on a real device, point the Assistant SDK at your draft endpoint and run your own app.
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Publish
One button. Metabind generates, hosts and scales the MCP server. Then publish to ChatGPT: connect its MCP URL, or submit it to the Plugin Directory. The same publish runs in Claude and inside your own app.
The same agent, inside your own app.
The Assistant SDK puts the same agent in your iOS, Android and web apps, with the same tools, and the Agent Proxy runs it with your system prompt and your own model key. On iOS and Android, your components render as native SwiftUI and Jetpack Compose.
Start with a prompt
Common Questions
What are ChatGPT plugins?
Apps that run inside ChatGPT. A plugin opens inline in the conversation, fullscreen or from the ChatGPT sidebar, and answers in your own UI instead of text. The new generation, which OpenAI calls plugin extensions, is built on MCP Apps, the open standard Metabind runs on. Metabind turns the components and APIs your app already has into one, and hosts it for you.
Does it work in ChatGPT today?
Yes. Connect your published project to ChatGPT with its MCP URL. Your Interactive tools render inline or fullscreen, and your app can open from the ChatGPT sidebar or as a tab in a conversation.
Can I publish it to ChatGPT's Plugin Directory?
Yes, you can submit it. Metabind handles the domain verification ChatGPT requires. Listing in the Plugin Directory then goes through OpenAI's own submission and review, which sets its own requirements and timeline. Stuck? Our support team can help.
Do I have to write an MCP server?
No. You define the tools; Metabind generates, hosts and scales the server.
Does the same app work in Claude?
Yes. In Claude it's an MCP App. One publish runs in ChatGPT, Claude and every MCP host, and in your own apps through the Assistant SDK.
Do I have to rebuild my app?
No. Your AI coding agent converts the components you have into BindJS, from SwiftUI, Jetpack Compose, React or a Figma file, and the Metabind CLI imports them. Your APIs become Data tools, and you write the agent's system prompt in Metabind Studio. We generate and host the MCP server; you keep your app. You can ship on the Component Kit, in your brand, before conversion is done.
What's the free tier?
The Free plan includes three MCP Apps, 10K tool invocations, Metabind Studio, BindJS and the Assistant SDK. No credit card.
Your agent. Your UI. Every channel.
No credit card. No sales call. No server to run.