Building AI Dev Tooling in Public

This blog documents our hands-on experience building practical agent systems: harness_core, repo-level context mapping, and A/B-tested AI workflows for real engineering teams.

Introducing harness_core: A Practical AI Dev Tooling Harness

Why we built harness_core, what it does, and what we are learning while building AI-assisted engineering workflows.

February 16, 2026 · 2 min · 254 words · Rob Christenson

Why "Looks Good" Plans Fail: Building Enforceable Planning Gates

What broke in our early planning loop, and how we moved from subjective review to enforceable planning gates.

February 16, 2026 · 3 min · 522 words · Rob Christenson