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Sanity Challenge

Build an agent that can't afford to be wrong. Win $500.

Point Sanity Context at your content, get a Knowledge Base your agent reads through MCP. Two paths, five winners.

Congrats to the DEV Weekend Challenge: Dog Days Edition Winners!
Cover image for Congrats to the DEV Weekend Challenge: Dog Days Edition Winners!

Data analysis dispels black dog syndrome myth

Congrats to the DEV Weekend Challenge: Dog Days Edition Winners!

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3 min read
What was your win this week?!

Community celebrating diverse weekly achievements

What was your win this week?!

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1 min read
I Built EchoCadence: A Vocabulary App Built to Make Words Stick 🔁

Built during an MLH hackathon using Tiger Cloud

I Built EchoCadence: A Vocabulary App Built to Make Words Stick 🔁

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9 min read
The beauty and terror of negative feedback

The beauty and terror of negative feedback

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3 min read
Dev log #21 Hardening WebRTC-Direct and solving SCM leaks

Dev log #21 Hardening WebRTC-Direct and solving SCM leaks

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5 min read
Running a Tech Holding Company at 12: How I Manage Multiple Projects on a $150 Phone 📱🏢

Running a Tech Holding Company at 12: How I Manage Multiple Projects on a $150 Phone 📱🏢

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3 min read
It's Got What Content Craves: Sanity, Built for the People of Idiocracy

Sanity Challenge Path Two Submission

It's Got What Content Craves: Sanity, Built for the People of Idiocracy

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9 min read
Caddy 2.11's default post-quantum key exchange sends six times more handshake bytes

Caddy 2.11's default post-quantum key exchange sends six times more handshake bytes

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6 min read
How common is AGENTS.md, really? I sampled GitHub: 6.2% of active repos, 1.0% of all repos

CLAUDE.md ties the format race

How common is AGENTS.md, really? I sampled GitHub: 6.2% of active repos, 1.0% of all repos

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6 min read
What Do You Do While AI Codes? I Make Mine Argue With Itself.

What Do You Do While AI Codes? I Make Mine Argue With Itself.

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5 min read
I Let AI Write My Tests for 6 Months. Here Is What Actually Survived Production

I Let AI Write My Tests for 6 Months. Here Is What Actually Survived Production

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5 min read
Valid Schema, Wrong Content: Using Jev to Guard a Google ADK Agent

Valid Schema, Wrong Content: Using Jev to Guard a Google ADK Agent

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6 min read
I got rejected for using AI in an interview. Then I watched the interviewer do it.

I got rejected for using AI in an interview. Then I watched the interviewer do it.

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5 min read
What Go Taught Us About Java Garbage Collection

What Go Taught Us About Java Garbage Collection

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7 min read
I Put Jev Behind a TLA+ Spec and Ran 1,680 Chaos-Tested Pharmacy Decisions. Zero Wrong Verdicts.

I Put Jev Behind a TLA+ Spec and Ran 1,680 Chaos-Tested Pharmacy Decisions. Zero Wrong Verdicts.

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5 min read
How to Send Email With SMTPfast Two Ways, and Actually Watch Where It Went

How to Send Email With SMTPfast Two Ways, and Actually Watch Where It Went

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7 min read
Architecting Battery-Efficient Geofencing for Automated Sound Profiles

Architecting Battery-Efficient Geofencing for Automated Sound Profiles

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5 min read
I built a unique ID generator that's ~60% faster than nanoid

I built a unique ID generator that's ~60% faster than nanoid

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4 min read
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