Security & Privacy15 min
Claude Code MCP Permission Rules: 2.1.299 Tested
Claude Code 2.1.299 changed which MCP servers an allow or deny rule covers. I ran 2.1.296, 2.1.299 and 2.1.307 with servers named a and a__b. Here is what ran.
Tag
#ai-agent-safety
4 posts
Security & Privacy16 min
Claude Code updatedInput Hooks: 2.1.300 Change Tested
Claude Code 2.1.300 validates updatedInput from PreToolUse hooks. I compared 2.1.299 with 2.1.300 and 2.1.306 on unknown keys, bad types, paths and Edit.
Security & Privacy20 min
Claude Code Hook Failures: onFailure Block Tested
Claude Code hooks fail open on most events. I tested onFailure block across four builds with cases like missing scripts, exit 1, timeouts and schema errors.
Tooling & Productivity35 min
Claude Code Mods: 10 Tested Use Cases (2026)
Claude Code mods explained with 10 tested use cases: guard risky commands, mask secrets, add commands, panes and tools. Every example passes claude plugin test.
