Signals — Mark Gustetic https://www.markgustetic.com/articles Notes on building software, working with AI, and the decisions behind my projects. en-us Sat, 03 Oct 2026 00:00:00 GMT Sentra: Backups I Can Inspect and Restore https://www.markgustetic.com/articles/sentra https://www.markgustetic.com/articles/sentra I built Sentra to make backups easier to check: see what was saved, understand what runs next, and restore the files you need. Product Engineering Mark Gustetic Wed, 09 Sep 2026 00:00:00 GMT Pomodoro Count: Keeping Track of Focus https://www.markgustetic.com/articles/pomodoro-count https://www.markgustetic.com/articles/pomodoro-count I like using a physical timer. I built Pomodoro Count to keep a record of those sessions without adding another window to my day. Product Engineering Mark Gustetic Wed, 29 Jul 2026 00:00:00 GMT Building Agents in Go: Contracts, Tools, and Concurrency https://www.markgustetic.com/articles/building-agents-in-go https://www.markgustetic.com/articles/building-agents-in-go Go is a good fit when an agent needs to run as a dependable service: tools with clear contracts, timeouts, approval checks, and state that survives a restart. Go Agent Systems Mark Gustetic Sat, 04 Apr 2026 00:00:00 GMT