Claude

Everything Fervor AI has published that touches Claude — 3 pieces, newest first.

• Briefing · October 21, 2026 · morning

  Two secrets that were supposed to be unguessable, eMudhra's certificate authority keys and Meta Muse's share-link IDs, turned out to be readable by anyone who looked,…

• Microsoft Foundry Moved Agent Tool Permissions Into a Request Parameter, and the Denylist Fails Open

  Foundry moved agent tool governance into per-request parameters, and Microsoft's own operational checklist says the denylist form of that control warns instead of…

• MCP Apps Let a Tool Server Draw the Interface You Click

  MCP Apps makes the server asking for permission the same party that renders the interface you grant it in, and half the safeguards in its security model are phrased as…