Exactly-Once: Your agent shouldn't pay the same invoice twice

August 30, 2026 · Dev.to

I built a job-risk checker that never calls an LLM — it reads your GitHub instead
A few weeks ago I sat down to build "will AI take my job," the tool. The honest first question I asked myself wasn't "ho
Build a Tested Agent Skill with SKILL.md and Python Scripts
AI agents are good at interpreting goals, but prose instructions are a weak place to enforce exact rules. If a skill say
The Known-Good Sample Was Not Known-Good
Originally published on hexisteme notes. I set a threshold from measurement instead of guessing. The measurement was cle
Do Zero ao SOC: Por Que a Lógica de Programação é o Primeiro Passo na Cibersegurança?
A área de Cibersegurança atrai profissionais devido à complexidade das ameaças e à necessidade de proteção de infraestru
Help wanted: validate a React Site Directory SPFx sample
I have opened a SharePoint Framework sample for a curated React site directory: Pull request: https://github.com/pnp/sp-