Authorization on Thomas Talks AI: Claude Architecture, AI Agent Security, Claude Code & Production Engineering https://thomasdevos.com/tags/authorization/ Recent content in Authorization on Thomas Talks AI: Claude Architecture, AI Agent Security, Claude Code & Production Engineering Hugo -- 0.145.0 en-us Thomas De Vos © Tue, 01 Sep 2026 10:44:45 +0100 Claude Code lost permission. The MCP cache still said allow https://thomasdevos.com/posts/2026-09-01.10.44.45-claude-code-lost-permission-the-mcp-cache-still-said-allow/ Tue, 01 Sep 2026 10:44:45 +0100 https://thomasdevos.com/posts/2026-09-01.10.44.45-claude-code-lost-permission-the-mcp-cache-still-said-allow/ Prevent Claude Code and MCP tools from acting on stale authorization decisions. Use policy-version binding, revocation epochs, fail-closed checks, and an authorization receipt.