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DEV Challenges

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

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Choosing Gemma 4 for Local AI Apps: A Builder's Field Guide

Gemma 4 Challenge: Write about Gemma 4 Submission

Choosing Gemma 4 for Local AI Apps: A Builder's Field Guide

3
Comments 2
4 min read
Successfully Defended Against My Girlfriends Prompt Injection

OpenClaw Challenge Submission 🦞

Successfully Defended Against My Girlfriends Prompt Injection

2
Comments 3
8 min read
Why the Claw ecosystem needs a skill commons — and how I built one

OpenClaw Challenge Submission 🦞

Why the Claw ecosystem needs a skill commons — and how I built one

2
Comments
7 min read
FocusGuard: The Productivity Timer That Actively Works Against You

April Fools Challenge Submission ☕️🤡

FocusGuard: The Productivity Timer That Actively Works Against You

2
Comments
2 min read
I Built BriefBench: A Gemma 4 Tool That Turns Messy Notes Into Model Decisions

Gemma 4 Challenge: Build With Gemma 4 Submission

I Built BriefBench: A Gemma 4 Tool That Turns Messy Notes Into Model Decisions

3
Comments
3 min read
Congrats to the April Fools Challenge Winners!!

Hilariously pointless and over-engineered apps

Congrats to the April Fools Challenge Winners!!

51
Comments 14
2 min read
I Built an AI App That Gives You Superpowers, But Makes Them Useless

April Fools Challenge Submission ☕️🤡

I Built an AI App That Gives You Superpowers, But Makes Them Useless

7
Comments
5 min read
How to Detect the Tech Stack of Any Website (2026 Guide)

How to Detect the Tech Stack of Any Website (2026 Guide)

Comments
2 min read
Why Gemma 4 Could Change the Future of Offline AI Assistants published: false tags: devchallenge, gemmachallenge, gemma, ai

Gemma 4 Challenge: Write about Gemma 4 Submission

Why Gemma 4 Could Change the Future of Offline AI Assistants published: false tags: devchallenge, gemmachallenge, gemma, ai

3
Comments
4 min read
OpenClaw Isn't a Chatbot — It's the Unix of Personal AI

OpenClaw Challenge Submission 🦞

OpenClaw Isn't a Chatbot — It's the Unix of Personal AI

3
Comments 3
8 min read
🦞 Deploying OpenClaw in 2026: The Complete Security & Privacy Guide (macOS, Windows, Linux)

OpenClaw Challenge Submission 🦞

🦞 Deploying OpenClaw in 2026: The Complete Security & Privacy Guide (macOS, Windows, Linux)

10
Comments 4
5 min read
Two Sum with an Optimized Solution

Two Sum with an Optimized Solution

4
Comments
2 min read
Open-Source Intelligence: Building with Gemma and MCP

Open-Source Intelligence: Building with Gemma and MCP

3
Comments
2 min read
Agency Is the New Risk

OpenClaw Challenge Submission 🦞

Agency Is the New Risk

8
Comments
6 min read
Two sum problem

Two sum problem

5
Comments
2 min read
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