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DEV Challenges

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

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Hermes Agent Changed How I Think About Execution Boundaries

Hermes Agent Challenge Submission: Write About Hermes Agent

Hermes Agent Changed How I Think About Execution Boundaries

20
Comments 12
8 min read
I Cut My Gemma 4 Challenge API Costs by 87% With Context Engineering. Here Is the Math.

Gemma 4 Challenge: Write about Gemma 4 Submission

I Cut My Gemma 4 Challenge API Costs by 87% With Context Engineering. Here Is the Math.

2
Comments 7
13 min read
ClawNet: Building an AI powered Security Terminal with OpenClaw for Real-Time Threat Detection

OpenClaw Challenge Submission 🦞

ClawNet: Building an AI powered Security Terminal with OpenClaw for Real-Time Threat Detection

6
Comments 1
3 min read
Lessons from Building a Skill-Scoped Agent Orchestrator

Gemma 4 Challenge: Write about Gemma 4 Submission

Lessons from Building a Skill-Scoped Agent Orchestrator

4
Comments
6 min read
🦞 I Built a Safe Autonomous Email Agent with OpenClaw and It Actually Works

OpenClaw Challenge Submission 🦞

🦞 I Built a Safe Autonomous Email Agent with OpenClaw and It Actually Works

5
Comments 1
3 min read
responseJsonSchema: The Undocumented Gemma 4 Feature That Changed Everything

Gemma 4 Challenge: Write about Gemma 4 Submission

responseJsonSchema: The Undocumented Gemma 4 Feature That Changed Everything

4
Comments
4 min read
FindMySubway - Helping NYC Riders Find the best Subway Train

OpenClaw Challenge Submission 🦞

FindMySubway - Helping NYC Riders Find the best Subway Train

1
Comments
3 min read
AI-Powered ERP System with Gemma 26B MoE

Gemma 4 Challenge: Build With Gemma 4 Submission

AI-Powered ERP System with Gemma 26B MoE

6
Comments
4 min read
MCP Connects Agents to Tools. A2A Connects Agents to Each Other. Here's Why That Distinction Changes Everything

Google Cloud NEXT '26 Challenge Submission

MCP Connects Agents to Tools. A2A Connects Agents to Each Other. Here's Why That Distinction Changes Everything

5
Comments 2
6 min read
đź§ Thought Navigation Engine

Google Cloud NEXT '26 Challenge Submission

đź§ Thought Navigation Engine

1
Comments
3 min read
repoDoc

OpenClaw Challenge Submission 🦞

repoDoc

4
Comments
3 min read
Codex Chronicle was paying for every frame.

Gemma 4 Challenge: Build With Gemma 4 Submission

Codex Chronicle was paying for every frame.

3
Comments
8 min read
From Zero to Cloud: My First Google Cloud NEXT ’26 Experience ”

From Zero to Cloud: My First Google Cloud NEXT ’26 Experience ”

Comments
2 min read
Most voting apps feel like they’re stuck in 2010. We decided to build one for the future.

Most voting apps feel like they’re stuck in 2010. We decided to build one for the future.

Comments
1 min read
I Built Sổ Lãi, a Practical Profit Tracker for Vietnamese Online Shops

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

I Built Sổ Lãi, a Practical Profit Tracker for Vietnamese Online Shops

12
Comments 4
3 min read
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