Text rule trends

skill · published by agentleFS · version 1 · approved by frdchang@gmail.com on 2026-10-12

Measure how the rules in versioned text files change over time: extract, cluster into themes, and compare periods.

examples/readme-sections/config.json

{
 "_note": "README section headings over time, each README read as it stood at the end of every year (snapshot mode). Extract with: --extractor regex --regex '^#{1,3}\\s+(.+)' --kind-map '{\"(?i)^readme\": \"README\"}'",
 "mode": "snapshot",
 "period": "year",
 "periods": ["2014", "2016", "2018", "2020", "2022", "2024", "2025"],
 "from": "2016",
 "to": "2025",
 "threshold": 0.15,
 "min_files": 3,
 "kinds": ["README"],
 "today": "2026-10-11"
}