CONCEPT
Shared Repertoire
The accumulated, collectively maintained body of resources — stories, tools, procedures, sensibilities, implicit standards — that a community of practice develops through years of joint engagement with its domain.
The shared repertoire is what distinguishes a community of practice from a book club or a social group. It is not a manual, not a knowledge base, not an archive. It is the living, collectively held stock of resources that practitioners have developed together through sustained engagement — the war stories that circulate and acquire meaning through retelling, the implicit standards that no style guide fully captures, the shortcuts that the procedures do not describe, the shared vocabulary that means what it means because the community has used it that way. The repertoire is simultaneously the product and the medium of community practice: it is what the community has produced, and it is the medium through which the community's thinking is conducted.
In The You On AI Field Guide
The Xerox technicians' repertoire included not just repair techniques but stories about unusual failures, implicit standards for what a 'tricky machine' felt like, and the collective judgment about which diagnostic shortcuts to trust. The repertoire lived not