Field notes

The work behind the recommendation.

Operating notes, reproducible comparisons, and migration decisions. Claims are dated; unknowns stay visible.

Anonymized field note

Self-hosted GitLab-style forge or managed GitHub-style organization?

What two real operating environments taught us about control, maintenance, CI runners, review, and the cost hidden outside the license.

Open recipe

Can one repository instruction set work across four coding agents?

A small pattern for sharing rules across Codex, Claude Code, Gemini CLI, and OpenCode without pretending the harnesses are identical.

Decision kit

Slack vs. Mattermost: count the operator, not just the license

A fixed 25-person cost scenario, migration checklist, editable worksheet, and honest list of unknowns.