> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fastapps.org/llms.txt
> Use this file to discover all available pages before exploring further.

# All posts

> Explorations, updates, and deep dives into MCP tooling and FastApps development.

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            <span className="blog-tag">ChatGPT Apps SDK</span>
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          <a href="/blog/inside-the-chatgpt-apps-sdk-how-it-actually-works">Inside the ChatGPT Apps SDK: How It Actually Works</a>
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        <p className="blog-post-summary">
          Dive deep into the technical architecture of the OpenAI Apps SDK, exploring MCP servers, widgets, and the window\.openai bridge that powers ChatGPT apps.
        </p>

        <div className="blog-post-author">
          <span className="author-name">Zach Park</span>
          <span className="separator">•</span>
          <span className="publish-date">23 Oct 2025</span>
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          <a href="/blog/inside-the-chatgpt-apps-sdk-how-it-actually-works" className="read-more-link">
            <span>Read more</span>

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            <img src="https://mintcdn.com/dooilabs/PBVqFMHBCV9idbXq/images/inside-the-chatgpt-apps-sdk.png?fit=max&auto=format&n=PBVqFMHBCV9idbXq&q=85&s=6f63b340384a7e20901d3e06403ef17c" alt="Inside the ChatGPT Apps SDK: How It Actually Works" width="1024" height="1024" data-path="images/inside-the-chatgpt-apps-sdk.png" />
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            <span className="blog-tag">Apps in ChatGPT</span>
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        <h2 className="blog-post-title">
          <a href="/blog/what-are-apps-in-chatgpt-and-why-they-are-the-future-of-software">What Are Apps in ChatGPT and Why They're the Future of Software</a>
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        <p className="blog-post-summary">
          Learn what Apps in ChatGPT are and how OpenAI's Apps SDK powers a new generation of conversational, AI-driven software.
        </p>

        <div className="blog-post-author">
          <span className="author-name">Zach Park</span>
          <span className="separator">•</span>
          <span className="publish-date">22 Oct 2025</span>
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        <div className="blog-post-cta">
          <a href="/blog/what-are-apps-in-chatgpt-and-why-they-are-the-future-of-software" className="read-more-link">
            <span>Read more</span>

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            <img src="https://mintcdn.com/dooilabs/w-rvV2j323gdQa9n/images/what-are-apps-in-chatgpt.png?fit=max&auto=format&n=w-rvV2j323gdQa9n&q=85&s=13d35e93615b1fc05d5220f62aec7d4e" alt="What Are Apps in ChatGPT and Why They're the Future of Software" width="1200" height="675" data-path="images/what-are-apps-in-chatgpt.png" />
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