Gensee Crate is a security platform designed to provide runtime safety for AI coding agents. It focuses on monitoring and controlling agent activities to address risks associated with system events, tool calls, memory access, and other potentially sensitive operations. The tool is positioned for use with AI coding agents such as Claude Code, Codex, and Antigravity, offering oversight and policy enforcement during agent execution.
Key features include the ability to observe and capture prompts, tool intent, commands, files, network targets, alerts, and timeline context, storing this information locally. Gensee Crate operates as a sidecar, enabling configurable enforcement decisions—such as allow, ask, or deny—before risky tools run. These policies can be applied to secrets management, destructive operations, control-plane writes, suspicious artifacts, and Linux fanotify file events. For containment, the platform supports managed macOS sandboxing and staged workspace reviews when launching agents through its dedicated command. It also offers hooks and integrations for connecting agent surfaces, ensuring timeline coverage even during unmanaged runs.
On Linux hosts, Gensee Crate provides capabilities to inspect and monitor agent process trees via /proc, enforce sensitive-path access with fanotify, and launch agents under seccomp. Plans for cgroup-scoped nftables egress controls are also mentioned. The tool supports tracing long-horizon agent behavior by linking prompts, tool calls, file effects, artifacts, alerts, and review outcomes for post-run inspection. A local dashboard is available for reviewing live activity, policy decisions, alerts, and policy edits against the same endpoint store.
0 License. It is developed by GenseeAI and supports both macOS and Linux environments for agent containment and monitoring.
Gensee Crate sits in PulseGate's Security & compliance platforms category. It focuses on preventing unsafe or unauthorized actions by AI coding agents through local runtime security and policy enforcement. It is built as an open-source project for AI agent developers. Gensee Crate is open source under the Apache-2.0 license. It runs on the web, macOS, and the command line, and it can be self-hosted.
GenseeAI builds and maintains Gensee Crate, and the product first shipped in 2026. Development happens publicly on GitHub with 91 stars and 20 commits in the last 90 days. Key capabilities include runtime monitoring, policy enforcement, and macOS sandboxing.
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