# Plugin extensions let you build interactive panels, file viewers

[Reference page](https://posts.design/openai-developers-plugin-extensions-let-you-build-2026-09-29) · [Markdown](https://posts.design/openai-developers-plugin-extensions-let-you-build-2026-09-29.md) · [Original source](https://x.com/openaidevs/status/2105073680829366411)

Plugin extensions let you build interactive panels, file viewers, and a sidebar home in ChatGPT\.

Get clearer feedback when submitting your plugin for review\.

With support for the proposed MCP Events specification, events in connected apps can start automations in ChatGPT:

- Kind: post
- Media: image
- Posting account: OpenAI Developers · @OpenAIDevs
- Account: [OpenAIDevs](https://x.com/OpenAIDevs)
- Represented brand: OpenAI Developers
- Categories: Integration
- Subjects: AI, Developer Tools
- Source published: 2026\-09\-29T23:14:10\.000Z
- Captured: 2026\-09\-30
- Added to posts.design: 2026\-09\-30T17:37:12\.451Z
- Recorded views: 199328 · captured 2026\-10\-12T14:27:28\.571Z · refresh\-observed\-public

![OpenAI Developers: Plugin extensions let you build interactive panels, file viewers — public x\-twitter post media curated for social post design inspiration\.](https://posts.design/images/posts/x-twitter-openaidevs-2105073680829366411-openai-developers-plugin-extensions-let.webp)

1920 × 1080

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