Changelog

All notable changes to the a4b.ai MCP server.

v1.0.0 — March 2026

Initial public release of the a4b.ai MCP server.

23 Tools for managing assets, workspaces, maintenance tasks, users, and invites
6 Resource Templates providing browsable read-only data via a4b:// URIs
OAuth 2.1 + PKCE authentication with dynamic client registration (MCP spec)
Multi-tenant organization-scoped access tokens
Audit logging with 90-day retention for compliance
Safety annotations on all tools (readOnlyHint, destructiveHint, idempotentHint)
QR code generation for asset labels
Metadata discovery via RFC 8414 and RFC 9728 endpoints