Wednesday, April 8th 2026
Sandboxing AI agents on Upsun
Sandbox AI agents in Upsun containers to protect secrets from prompt injection. Covers Linux primitives, Claude Code, and Codex.
Thursday, February 19th 2026
Building an AI code review agent for our self-hosted GitLab
I vibe-coded a GitLab code review agent last month - 40K lines of Python written by Claude - and it has reviewed 1000 merge requests.
Thursday, December 18th 2025
Efficient code analysis for LLMs
Learn how Whatsun generates concise codebase summaries to improve the performance and accuracy of AI features.
Thursday, December 4th 2025
Building an AI feature: The necessary evals
What we learned building an AI feature: evaluations take most of the time, and your existing tools are enough.