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DEV Challenges

This is the official tag for submissions and announcements related to DEV Challenges.

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I Built ProMailer to Cold Email Criminal Lawyers. Here's What Happened When I Asked Copilot to Review It.

GitHub “Finish-Up-A-Thon” Challenge Submission

I Built ProMailer to Cold Email Criminal Lawyers. Here's What Happened When I Asked Copilot to Review It.

3
Comments 1
3 min read
Reviving BookNook: From an Unfinished API to a Live AWS Reading Tracker

GitHub “Finish-Up-A-Thon” Challenge Submission

Reviving BookNook: From an Unfinished API to a Live AWS Reading Tracker

2
Comments
5 min read
Python Automation Training Toolkit: from abandoned group project to browser-first AI workspace

GitHub “Finish-Up-A-Thon” Challenge Submission

Python Automation Training Toolkit: from abandoned group project to browser-first AI workspace

15
Comments 1
4 min read
I Turned Hermes Agent into a Verifiable Agent Operating System

Hermes Agent Challenge Submission: Build With Hermes Agent

I Turned Hermes Agent into a Verifiable Agent Operating System

10
Comments 5
6 min read
The Coliseum of Intelligence: Benchmarking the Future with Synapse-AI-Arena and Google Cloud NEXT '26

Google Cloud NEXT '26 Challenge Submission

The Coliseum of Intelligence: Benchmarking the Future with Synapse-AI-Arena and Google Cloud NEXT '26

2
Comments
2 min read
The "Agentic" Reality Check: Why Google’s ADK is the First Tool That Actually Makes Sense

Google Cloud NEXT '26 Challenge Submission

The "Agentic" Reality Check: Why Google’s ADK is the First Tool That Actually Makes Sense

4
Comments
2 min read
Vibe Coding the Future: My Journey with Google AI Studio & Multilingual Speech 🚀

Vibe Coding the Future: My Journey with Google AI Studio & Multilingual Speech 🚀

Comments
2 min read
I Built a Multilingual AI Friend That Learns You -Powered by Google Cloud + Real-World Hardware

I Built a Multilingual AI Friend That Learns You -Powered by Google Cloud + Real-World Hardware

3
Comments
2 min read
What If Your Notes Could Talk to Each Other?

GitHub “Finish-Up-A-Thon” Challenge Submission

What If Your Notes Could Talk to Each Other?

5
Comments
4 min read
Agentic V&V for Mission-Critical Medical Systems

Google Cloud NEXT '26 Challenge Submission

Agentic V&V for Mission-Critical Medical Systems

2
Comments
4 min read
Every Great Cup Starts with the Right Question — I Built the Community Behind the Answer with Hermes Agent

Hermes Agent Challenge Submission: Build With Hermes Agent

Every Great Cup Starts with the Right Question — I Built the Community Behind the Answer with Hermes Agent

5
Comments 2
4 min read
This is a submission for the GitHub Finish-Up-A-Thon Challenge

GitHub “Finish-Up-A-Thon” Challenge Submission

This is a submission for the GitHub Finish-Up-A-Thon Challenge

3
Comments
3 min read
PRFlow: From Abandoned Scaffold to a Production-Grade PR Orchestration Engine

GitHub “Finish-Up-A-Thon” Challenge Submission

PRFlow: From Abandoned Scaffold to a Production-Grade PR Orchestration Engine

1
Comments
8 min read
From Hype to Reality: What Google Cloud NEXT ‘26 Means for Builders Like Us

Google Cloud NEXT '26 Challenge Submission

From Hype to Reality: What Google Cloud NEXT ‘26 Means for Builders Like Us

6
Comments
3 min read
Getting Started with Google's Agent Developer Kit (ADK): Build Your First AI Agent in Minutes

Google Cloud NEXT '26 Challenge Submission

Getting Started with Google's Agent Developer Kit (ADK): Build Your First AI Agent in Minutes

1
Comments
2 min read
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