Evidence
The measurements behind our numbers.
When a post prints a number from our own work, a note here says what we asked, how we counted, what we found, and where the answer stops being reliable.
Evidence note
After our agents wrote a lesson down, did the same problem come back?
In 165 of our Claude Code sessions over 30 days, the same kind of problem showed up again after 11 of 13 lessons and designs about disk, memory and machine housekeeping.
Evidence noteHow often did our planning hook speak up?
Across 87 of our Claude Code sessions from October 4 through October 31, 2026, our planning hook logged 56,886 checks, about 2,000 a day, and spoke 79 times, about three a day.
Evidence noteWhat does Claude Code's summary keep when a session runs long?
Across 28 skill loads in 15 Claude Code sessions, about one distinctive five-word phrase in 700 (39 of 28,085) appeared word for word in the following summary; 21 loads had no match.