HOL Guard

Open-source runtime security layer for AI agents that blocks risky tool calls, prompt injection, secret exposure, malicious package installs, and unauthorized MCP server access before they reach the system. Integrates with Claude Code, Codex, Cursor, Gemini CLI, and GitHub Copilot CLI via native hooks.

Connects to: Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot CLI, OpenClaw, Kimi Code · · Apache-2.0 435★

Use it with an AI agent

Loadbay is an MCP server, so an agent can search the catalog and find this harness:

claude mcp add --transport http loadbay https://loadbay.xyz/api/mcp

• Source: https://github.com/hashgraph-online/hol-guard
• This harness as JSON: /api/harnesses/hol-guard
• Agent setup: /setup.md
• Browse all 700+ harnesses on Loadbay