SigmaShake and Kintsugi add security gates for AI coding agent tool execution

SigmaShake and Kintsugi released security guardrail tools that gate AI agent behavior before tool execution, according to sources covering the tools. SigmaShake enforces policy constraints defined in CLAUDE.md and agent memory before Claude Code and Codex tool calls; Kintsugi provides policy enforcement for agent actions in production environments.

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AI securityClaude Code

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