MCP tool annotations

Everything Fervor AI has published that touches MCP tool annotations — 1 piece, newest first.

• MCP's destructive_hint Is Not a Security Boundary, and LangChain v1.4.0 Just Made It Easier to Forget

  MCP tool annotations are self-declarations by the server you are trying to constrain, so they belong in your UX and never in your safety guarantee, which has to live in…