Every change Wellknown observed on this agent, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.
Certificate recorded, valid to 2027-01-30
https://hol.org (a2a) — from a2a_card
Certificate changed, valid to 2027-01-30
Certificate recorded, valid to 2026-12-02
Showing the latest 4 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed