DEV Community

DEV Challenges

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

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
Code Property Graph: Visualizing Clean Architecture as an Interactive Knowledge Graph

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

Code Property Graph: Visualizing Clean Architecture as an Interactive Knowledge Graph

4
Comments
3 min read
SimGemma: Democratizing STEM Education with Offline-First AI Simulations

Gemma 4 Challenge: Build With Gemma 4 Submission

SimGemma: Democratizing STEM Education with Offline-First AI Simulations

1
Comments
4 min read
My Hermes agent loop blew the context window at turn 47. llm-context-trim fixed it.

Hermes Agent Challenge Submission: Build With Hermes Agent

My Hermes agent loop blew the context window at turn 47. llm-context-trim fixed it.

4
Comments
3 min read
My Hermes agent kept returning JSON in a markdown code block. I kept writing the same regex. Then I stopped.

Hermes Agent Challenge Submission: Build With Hermes Agent

My Hermes agent kept returning JSON in a markdown code block. I kept writing the same regex. Then I stopped.

4
Comments
2 min read
Building an Autonomous MCP Lead Generation System with Hermes Agent

Hermes Agent Challenge Submission: Build With Hermes Agent

Building an Autonomous MCP Lead Generation System with Hermes Agent

3
Comments 2
5 min read
Building an Accessibility Agent with Hermes Agent: Sound to Music for People Who Couldn't Before

Hermes Agent Challenge Submission: Build With Hermes Agent

Building an Accessibility Agent with Hermes Agent: Sound to Music for People Who Couldn't Before

4
Comments
7 min read
How I Finally Shipped PharmVerify NG — an AI Drug Checker for Nigerian Patients published: true tags: devchallenge, githubchallenge

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

How I Finally Shipped PharmVerify NG — an AI Drug Checker for Nigerian Patients published: true tags: devchallenge, githubchallenge

3
Comments
4 min read
Policy Storyteller: Turning Nepali Bills into Human Stories with Gemma 4

Gemma 4 Challenge: Build With Gemma 4 Submission

Policy Storyteller: Turning Nepali Bills into Human Stories with Gemma 4

1
Comments
2 min read
Google Cloud NEXT’s Quiet AI Agent Breakthrough

Google Cloud NEXT '26 Challenge Submission

Google Cloud NEXT’s Quiet AI Agent Breakthrough

1
Comments 1
6 min read
My agent kept hitting context limits. This one function fixed it.

Hermes Agent Challenge Submission: Write About Hermes Agent

My agent kept hitting context limits. This one function fixed it.

4
Comments
2 min read
Validating Gemma 4 for Industrial IoT: A Governance Pattern

Gemma 4 Challenge: Build With Gemma 4 Submission

Validating Gemma 4 for Industrial IoT: A Governance Pattern

4
Comments
3 min read
My Hermes agent's stop condition was a 40-line if/elif chain. I replaced it with 3 lines.

Hermes Agent Challenge Submission: Write About Hermes Agent

My Hermes agent's stop condition was a 40-line if/elif chain. I replaced it with 3 lines.

4
Comments
2 min read
Fast-Track CBT: A Clean, Zero-Stress Online Testing Platform

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

Fast-Track CBT: A Clean, Zero-Stress Online Testing Platform

4
Comments
4 min read
Google Just Made AI Memory Official at Cloud NEXT '26 - And It Made Me Uncomfortable :(

Google Cloud NEXT '26 Challenge Submission

Google Just Made AI Memory Official at Cloud NEXT '26 - And It Made Me Uncomfortable :(

2
Comments
3 min read
The Sleeper Announcement from Google I/O 2026 That Will Change How We Think About Apps

Google I/O Writing Challenge Submission

The Sleeper Announcement from Google I/O 2026 That Will Change How We Think About Apps

21
Comments 5
7 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.