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DEV Challenges

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

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Beyond Single Prompts: Building a Self-Correcting Multi-Agent Team with Google's New ADK

Google Cloud NEXT '26 Challenge Submission

Beyond Single Prompts: Building a Self-Correcting Multi-Agent Team with Google's New ADK

4
Comments
3 min read
I Spent Hours on API Setup in a Tutorial. Then Google Cloud NEXT '26 Announced Universal MCP.

Google Cloud NEXT '26 Challenge Submission

I Spent Hours on API Setup in a Tutorial. Then Google Cloud NEXT '26 Announced Universal MCP.

4
Comments 2
4 min read
The most important AI use case isn't in Silicon Valley

Hermes Agent Challenge Submission: Write About Hermes Agent

The most important AI use case isn't in Silicon Valley

3
Comments
5 min read
We’re Not Building Apps Anymore: What Google Cloud NEXT ’26 Gets Right About the Future of Systems

Google Cloud NEXT '26 Challenge Submission

We’re Not Building Apps Anymore: What Google Cloud NEXT ’26 Gets Right About the Future of Systems

9
Comments
3 min read
I Built a Bandwidth Bonding Download Manager That Combines WiFi + Ethernet + LTE — Here's How I Finally Shipped It

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

I Built a Bandwidth Bonding Download Manager That Combines WiFi + Ethernet + LTE — Here's How I Finally Shipped It

12
Comments 1
3 min read
Stop Wasting AI Tokens: How I Built a Smart MCP Server to Feed Perfect Code Context

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

Stop Wasting AI Tokens: How I Built a Smart MCP Server to Feed Perfect Code Context

4
Comments
4 min read
Building My First Real AI Agent with Hermes Agent

Hermes Agent Challenge Submission: Write About Hermes Agent

Building My First Real AI Agent with Hermes Agent

4
Comments
3 min read
CampaignMind: Stuffing a 5-Year RPG Campaign into Gemma 4's 256K Context Window

Gemma 4 Challenge: Build With Gemma 4 Submission

CampaignMind: Stuffing a 5-Year RPG Campaign into Gemma 4's 256K Context Window

1
Comments
3 min read
Stop Building Chatbots. Google Just Showed Us What Comes After.

Google Cloud NEXT '26 Challenge Submission

Stop Building Chatbots. Google Just Showed Us What Comes After.

5
Comments
6 min read
Bounty Scout: I gave Hermes the job of finding work that pays — and it wrote its own skill to do it

Hermes Agent Challenge Submission: Build With Hermes Agent

Bounty Scout: I gave Hermes the job of finding work that pays — and it wrote its own skill to do it

5
Comments 1
3 min read
🚀 Google Cloud NEXT ’26 Isn’t About Features — It’s About Developer Leverage

Google Cloud NEXT '26 Challenge Submission

🚀 Google Cloud NEXT ’26 Isn’t About Features — It’s About Developer Leverage

2
Comments
3 min read
Reviving Daphq: How I Built an Open-Source, Bare-Metal File Transfer Engine Solo with GitHub Copilot

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

Reviving Daphq: How I Built an Open-Source, Bare-Metal File Transfer Engine Solo with GitHub Copilot

10
Comments 1
5 min read
How the 80/20 Rule and GitHub Copilot Saved My Abandoned App From Code Graveyard

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

How the 80/20 Rule and GitHub Copilot Saved My Abandoned App From Code Graveyard

8
Comments
3 min read
How Hermes AI Agent can help corner "kioskos" in Caracas, Venezuela

Hermes Agent Challenge Submission: Build With Hermes Agent

How Hermes AI Agent can help corner "kioskos" in Caracas, Venezuela

1
Comments 1
7 min read
I Built an Agent That Does VC Due Diligence in Minutes

Hermes Agent Challenge Submission: Build With Hermes Agent

I Built an Agent That Does VC Due Diligence in Minutes

1
Comments 2
4 min read
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