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DEV Challenges

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

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I stress-tested Gemma 4 E4B's 128K context on a laptop GPU — recall is great, prefill is not

Gemma 4 Challenge: Write about Gemma 4 Submission

I stress-tested Gemma 4 E4B's 128K context on a laptop GPU — recall is great, prefill is not

22
Comments 4
7 min read
🛡️ PromptGuard: I Built a Local AI Privacy Firewall That Sanitizes Your Prompts Before They Leave Your Machine

Gemma 4 Challenge: Build With Gemma 4 Submission

🛡️ PromptGuard: I Built a Local AI Privacy Firewall That Sanitizes Your Prompts Before They Leave Your Machine

35
Comments 5
9 min read
My Take on Google Cloud NEXT '26: Empowering Agriculture with AI

Google Cloud NEXT '26 Challenge Submission

My Take on Google Cloud NEXT '26: Empowering Agriculture with AI

Comments
1 min read
MedScan Assistant — AI medication label reader for seniors, powered by Gemma 4

MedScan Assistant — AI medication label reader for seniors, powered by Gemma 4

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Comments 2
2 min read
babelForge

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

babelForge

1
Comments
1 min read
I Tested Google Cloud Fraud Defense, Here is What Actually Changed 👇

Google Cloud NEXT '26 Challenge Submission

I Tested Google Cloud Fraud Defense, Here is What Actually Changed 👇

1
Comments
7 min read
The Most Underrated Announcement at Google Cloud Next '26 Has Nothing to Do With Gemini

Google Cloud NEXT '26 Challenge Submission

The Most Underrated Announcement at Google Cloud Next '26 Has Nothing to Do With Gemini

4
Comments
4 min read
How to Build a Secure Agent with Remote MCPs in Minutes (full step-by-step tutorial)

Google Cloud NEXT '26 Challenge Submission

How to Build a Secure Agent with Remote MCPs in Minutes (full step-by-step tutorial)

1
Comments
5 min read
Why Security Took Centre Stage at Google Cloud NEXT '26

Google Cloud NEXT '26 Challenge Submission

Why Security Took Centre Stage at Google Cloud NEXT '26

Comments
2 min read
I Stopped Fighting Deployment — Thanks to What I Saw at Google Cloud NEXT ’26

Google Cloud NEXT '26 Challenge Submission

I Stopped Fighting Deployment — Thanks to What I Saw at Google Cloud NEXT ’26

1
Comments
2 min read
Building a Smart Environmental Monitoring System with Google Cloud (Inspired by NEXT ‘26)

Google Cloud NEXT '26 Challenge Submission

Building a Smart Environmental Monitoring System with Google Cloud (Inspired by NEXT ‘26)

1
Comments
2 min read
WebMCP Is the Quiet Google I/O Announcement That Could Make Web Apps Agent-Ready

Google I/O Writing Challenge Submission

WebMCP Is the Quiet Google I/O Announcement That Could Make Web Apps Agent-Ready

2
Comments 1
8 min read
From Govhack Win to Something That Actually Matters

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

From Govhack Win to Something That Actually Matters

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Comments 2
13 min read
Local-First AI Done Right: How Gemma 4 E2B and 'Thinking Mode' Powered DiagramFlowAI

Gemma 4 Challenge: Build With Gemma 4 Submission

Local-First AI Done Right: How Gemma 4 E2B and 'Thinking Mode' Powered DiagramFlowAI

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Comments 58
4 min read
Building LLM message lists by hand is error-prone. There's a better way.

Hermes Agent Challenge Submission: Write About Hermes Agent

Building LLM message lists by hand is error-prone. There's a better way.

4
Comments
2 min read
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