# How to Build a Full-Stack AI Agent

DevFeed: [How to Build a Full-Stack AI Agent](<https://devfeed.tech/articles/how-to-build-a-full-stack-ai-agent-5371.md>)

Original publisher: [Read original article](<https://neon.com/blog/how-to-build-a-full-stack-ai-agent>)

Author: Andre Landgraf

Published: 2025-10-29T18:40:53Z

Content type: tutorial

Language: en

Sources: [Blog -- Neon Docs](<https://devfeed.tech/sources/blog-neon-docs.md>)

Topics: [AI Agent](<https://devfeed.tech/topics/ai-agent.md>), [Code generation](<https://devfeed.tech/topics/code-generation.md>), [Vibe coding](<https://devfeed.tech/topics/vibe-coding.md>), [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>), [Database](<https://devfeed.tech/topics/database.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [Template](<https://devfeed.tech/topics/template.md>), [coding](<https://devfeed.tech/topics/coding.md>), [Authentication](<https://devfeed.tech/topics/authentication.md>), [App](<https://devfeed.tech/topics/app.md>), [ide](<https://devfeed.tech/topics/ide.md>), [data](<https://devfeed.tech/topics/data.md>)

Tags: [agent](<https://devfeed.tech/tags/agent.md>), [ai](<https://devfeed.tech/tags/ai.md>), [ai-agent](<https://devfeed.tech/tags/ai-agent.md>), [app](<https://devfeed.tech/tags/app.md>), [authentication](<https://devfeed.tech/tags/authentication.md>), [coding](<https://devfeed.tech/tags/coding.md>), [database](<https://devfeed.tech/tags/database.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [product](<https://devfeed.tech/tags/product.md>), [provisioning](<https://devfeed.tech/tags/provisioning.md>), [serverless](<https://devfeed.tech/tags/serverless.md>), [vibe-coding](<https://devfeed.tech/tags/vibe-coding.md>), [vs-code](<https://devfeed.tech/tags/vs-code.md>), [web-applications](<https://devfeed.tech/tags/web-applications.md>)

## AI overview

This tutorial explains how to build Aileen, a full-stack AI agent and open-source code-generation platform for creating web applications from prompts. It covers application generation, database provisioning, authentication, version tracking, previews, conversational context, and idle resource scaling using Neon.

## Source excerpt

More and more teams are using Neon to power vibe coding platforms, so we decided to build one too - not as our billion-dollar-vibe-coding-startup-side-gig but as a public, open-source template you can use as a starting point to learn how to build codegen agents yourself. We calle...