Engineering Blogs

Notes from our engineering team on backend systems, databases and building with AI.

29 Sept 2026

Jev AI vs Logprobs vs Structured Output: We Tested TypeSafe's System One Model on Our Support Queue

Jev AI returns typed decisions with calibrated probabilities. We tested it against logprob classification and Claude structured output on real support tickets.

29 Sept 2026

My Claude Code chief of staff: one VM, eight specialists and one Telegram chat

How I run my work through one Claude Code session on Telegram that delegates to eight specialists, with the watchdog, costs and first-week failures.

28 Sept 2026

Claude Code Review in Production: How Our Review Rules Evolved Over Five Months

Claude Code review on every PR: how our rules grew from one prompt to a playbook, six specialist agents and a verifier, plus a template to copy.

27 Sept 2026

MCP vs API: When to Build an MCP Server, and When the API Is Enough

MCP lets AI agents discover and call tools at runtime; APIs are the services underneath. Differences, working code, security, when to use each.