I Added a 71-Line Black Box to My Python Agent, Then Queried the $200 Crash With DuckDB

May 31, 2026 · Dev.to

I built rails-persona — behavioral analytics for Rails with zero external services
The problem Every SaaS app eventually needs to answer the same questions: Which features do my users actually use? Who a
Tokyo Transit: How MCP Helped Me Fix a Broken Multi-Agent System
This is a submission for the GitHub Finish-Up-A-Thon Challenge What I Built Tokyo’s train system is incredible—but it ca
What Building Agent_Sudo Taught Me About AI Agent Security (Before I Found Any Users)
I shipped a real thing. Agent_Sudo is a local permission gateway for AI agents: it sits in front of an agent's tool call
RedBase / redb.Route / redb.Tsak 3.0.0 shipped
redb hit 20k NuGet downloads Three packages, one version bump. RedBase 3.0.0 — Free tier now generates the same pivot CT
I Built pretext-pdf: Serverless PDFs Without Chromium
I Built pretext-pdf: Serverless PDFs Without Chromium I got frustrated with PDF generation in Node.js. Every tool had tr