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DEV Challenges

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

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I taught a Raspberry Pi to read my vines with Gemma 4

Gemma 4 Challenge: Build With Gemma 4 Submission

I taught a Raspberry Pi to read my vines with Gemma 4

4
Comments
6 min read
CodeMender Doesn't Work Without a Skeptic

Google I/O Writing Challenge Submission

CodeMender Doesn't Work Without a Skeptic

4
Comments
9 min read
I Built a WhatsApp Finance Agent in OpenClaw. Migrating to Hermes Taught Me What "Self-Improving" Actually Means.

Hermes Agent Challenge Submission: Write About Hermes Agent

I Built a WhatsApp Finance Agent in OpenClaw. Migrating to Hermes Taught Me What "Self-Improving" Actually Means.

4
Comments 2
11 min read
Your AI agent has amnesia. You've just normalized it.

Hermes Agent Challenge Submission: Write About Hermes Agent

Your AI agent has amnesia. You've just normalized it.

4
Comments 4
4 min read
Surgically Cleaning Code: A Gemma 4 AI Tool for Repairing Corrupted Snippets

Gemma 4 Challenge: Build With Gemma 4 Submission

Surgically Cleaning Code: A Gemma 4 AI Tool for Repairing Corrupted Snippets

2
Comments
2 min read
Personal Earth Assistant: Weekend Challenge - Earth Day Edition

DEV Weekend Challenge: Earth Day

Personal Earth Assistant: Weekend Challenge - Earth Day Edition

2
Comments
3 min read
Building a Blockchain Garden Tracker for Earth Day

DEV Weekend Challenge: Earth Day

Building a Blockchain Garden Tracker for Earth Day

1
Comments 1
2 min read
Historex - AI-Powered Repository Archaeology with Gemma 4

Gemma 4 Challenge: Build With Gemma 4 Submission

Historex - AI-Powered Repository Archaeology with Gemma 4

2
Comments
3 min read
EcoTrack — A Habit Tracker for the Planet 🌍

DEV Weekend Challenge: Earth Day

EcoTrack — A Habit Tracker for the Planet 🌍

5
Comments
3 min read
StudyTrak // Astra Core – Gemma 4 Challenge Submission

Gemma 4 Challenge: Build With Gemma 4 Submission

StudyTrak // Astra Core – Gemma 4 Challenge Submission

2
Comments
2 min read
WebMCP Is the Most Important Thing Google Announced at I/O 2026 (And Almost Nobody Is Talking About It)

Google I/O Writing Challenge Submission

WebMCP Is the Most Important Thing Google Announced at I/O 2026 (And Almost Nobody Is Talking About It)

5
Comments 1
5 min read
When the Dashboard Lies: The Google I/O 2026 Agent Test

Google I/O Writing Challenge Submission

When the Dashboard Lies: The Google I/O 2026 Agent Test

3
Comments
7 min read
The Most Underrated Announcement at Google I/O 2026

Google I/O Writing Challenge Submission

The Most Underrated Announcement at Google I/O 2026

5
Comments 2
3 min read
SecureScan

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

SecureScan

2
Comments
2 min read
Reviving Cineverse: From Local Storage to Firebase 🚀

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

Reviving Cineverse: From Local Storage to Firebase 🚀

4
Comments
3 min read
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