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The ChatGPT apps framework. Applied AI Lab for the post-GUI world.

San francisco
Joined October 2025
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@Dooilabs
FastApps
18 days
@MetorialAi is now supported at FastApps. Make apps in ChatGPT with mcp integrations from Metorial. https://t.co/sYLSaMhBvL
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docs.fastapps.org
Integrate other MCP servers as APIs using Metorial
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@Dooilabs
FastApps
7 days
Step 3 . Use it on ChatGPT It's simple as it is. With just a few lines of code, you can deploy a fully functional ChatGPT app that is publicly accessible over HTTPS.
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@Dooilabs
FastApps
7 days
Step 2. Simply run a deploy command fastapps cloud login fastapps cloud deploy
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@Dooilabs
FastApps
7 days
Step 1. Install FastApps uv tool install fastapps uv tool install --upgrade fastapps # Update to the latest version
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@Dooilabs
FastApps
9 days
In this tutorial, you'll learn how to create a ChatGPT app using the FastApps framework. You've built an MCP server, which is the core of the ChatGPT app, created additional widgets and tools, and deployed it directly from the CLI to make it public. This structure is simple yet
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@Dooilabs
FastApps
9 days
Step 6. Deploy your ChatGPT app for public use You can directly deploy your ChatGPT app from your CLI. Follow step-by-step instructions. fastapps cloud deploy
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@Dooilabs
FastApps
9 days
Step 5. Edit Your Widget You only need to modify two folders: 1. server/tools/ — MCP tool 2. widgets/ — Frontend UI (React)
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@Dooilabs
FastApps
9 days
Step 4. Create More Widgets You can add new widgets anytime: fastapps create additional-widget
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@Dooilabs
FastApps
9 days
Step 3. Test Your App Your MCP server will be available at the /mcp endpoint. Example: https://t.co/PbcOIdihu2 Option A: Test with MCPJam Inspector npx @mcpjam/inspector@latest Then, enter your public URL + /mcp. Option B: Test in ChatGPT 1. In ChatGPT, go to Settings →
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@Dooilabs
FastApps
9 days
Step 2. Initialize a New App Once installed, you can quickly start by running: fastapps init my-app cd my-app fastapps dev
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@Dooilabs
FastApps
9 days
Step 1. Install FastApps First, install FastApps with uv: "uv tool install fastapps"
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