Every change Wellknown observed on this MCP server, 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.
Unknown → Live
Listed separately from arc-ledger-tax-reference. Checks before this date are on that record.
Showing the latest 2 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed