Development
Articles about software development, tools, and best practices.
4 posts
Two Agents, One MCP Server: Using a Second Claude as a Harness for the First
How to test AI-generated code: a differential-testing pattern over MCP. One agent built my Polish tax calculator and exposed it over MCP. A second Claude Code agent, with no shared context, audited the math against raw broker data and found real bugs. This is what harness engineering looks like in practice.
Why I'm Choosing Cloudflare and TanStack for My Side Projects
After building with Vercel and Supabase, I switched to Cloudflare and TanStack. Here's why - and what I gained.
Deploy your first blockchain contract to Ethereum
Step by step guide to deploy first contract on Ethereum blockchain
How to label GitLab notification in Gmail by headers?
You can label emails by headers in Gmail. To do this you have to create a script that periodically scans for new emails in your inbox. To demonstrate it I will use Gitlab notifications and we will add labels to messages basing on their headers