SigmaShake provides guardrails and safeguards for AI agents, focusing on controlling and auditing the actions these agents can take. The platform is designed to enforce which tools an agent is allowed to use, block unsafe or dangerous commands before execution, and maintain a comprehensive audit of all agent activities. SigmaShake aims to address the challenge of containing rogue or malfunctioning AI agents without disrupting legitimate work, offering deterministic decision-making without relying on model inference or GPU resources.
Key features include the ability to allow, deny, ask for approval, or force agents to use safer alternatives when risky actions are detected. The system operates with deterministic native evaluation, delivering decisions in approximately 85 milliseconds and blocking attacks with no false positives according to its own SHAKEDOWN benchmark. SigmaShake also provides a rules hub, rule builder, live dashboard, visual approval queue, and detailed audit logs. It integrates with a range of AI agent frameworks and tools, including Claude Code, Cursor, Gemini CLI, Codex, VSCode Copilot, Antigravity, and Pi Coding Agent, often via MCP Server Integration or PreToolUse hooks.
The platform is available in several forms to suit different users and environments. There is a desktop application for macOS, Windows, and Linux that features a system tray interface and visual controls. Developers can use the ssg CLI, which is scriptable and suitable for CI environments, with installation via curl or winget. A public Docker/GHCR image supports use in Linux containers and automation pipelines. Additionally, SigmaShake offers extensions for VS Code, Cursor, and other Open VSX editors, providing embedded dashboards and rule management within the editor interface.
SigmaShake is free to download, with a usage fee of $5 per month. The binaries are closed-source, and the product runs locally with optional analytics and an anonymous usage counter. The tool is positioned as an AI agent guardrail system, benchmarked for its ability to contain unsafe agent behavior while minimizing disruption to valid operations.
SigmaShake sits in PulseGate's AI & ML category. It prevents AI agents from executing unsafe or destructive actions by enforcing guardrails and auditing behavior. SigmaShake is a B2B product aimed at AI developers and teams deploying autonomous agents. There is a free tier, and paid plans start at $10. SigmaShake is available on the web, the command line, iOS, macOS, and Windows.
It is developed by Charles Chong (United States), and the product first shipped in 2026. Across PulseGate's embedding index, SigmaShake has few near neighbours, marking it as relatively distinct. Among its 6 catalogued features are agent guardrails, rule enforcement, and audit logging. It exposes integrations via an MCP server.
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