Go port of Google's libphonenumber library
nyaruka/phonenumbers is a Go implementation of Google's libphonenumber, a library that parses and validates telephone numbers using international numbering metadata. It is used in software that needs to interpret phone numbers from different countries, and its catalogue skill supports synchronizing the port with upstream changes.
Latest release v1.8.1 · 15 Jul 2026
1 file for Claude Code: sync-upstream .
.claude/skills/sync-upstream/SKILL.md A 98 tok These files are nyaruka/phonenumbers's own configuration — they tell Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.