Add auth to MCP

[fubuloubu]

Overview

MCP Spec added authorization recently, and it's supported in FastMCP

Specification

https://github.com/jlowin/fastmcp/releases/tag/v2.2.7

Dependencies

Include links to any open issues that must be resolved before this feature can be implemented.

[linear[bot]]

SBK-665 Add auth to MCP

[fubuloubu]

So this will actually turn into removing the MCP from silverback cluster once it is migrated into cluster functionality directly

Then, users will be able to just directly connect to it as a remote MCP w/ auth