Anubis.Protocol.V2025_03_26 (anubis_mcp v2.0.0)

Protocol implementation for MCP specification version 2025-03-26.

This is the oldest spec version Anubis supports, featuring:

Streamable HTTP transport
Authorization framework
Audio content type
Tool annotations
Progress notification message field
Completion capability
Basic tools, resources, and prompts
Logging, progress, cancellation
Ping, roots, sampling