OpenAltFinder

Open Source AI Agent Security Projects

Tools that protect AI agents, their tools, MCP servers, plugins, and package installs from prompt injection, secret exposure, unsafe commands, and supply-chain attacks at runtime.

HOL Guard

HOL Guard

Local-first antivirus for AI agents that blocks risky commands, secret access, prompt injection, malicious packages, and MCP threats at runtime.

Alternative to:
HiddenLayerHiddenLayer
AI-assisted
OpenShell

OpenShell

NVIDIA's open-source runtime that runs AI agents in kernel-isolated sandboxes with policy-enforced file, network, and credential access.

Alternative to:
E2BE2B