Humanbound

Open-source adversarial testing engine for AI agents — attacks agents to find real weaknesses.

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Humanbound is an open-source adversarial testing engine, SDK, and CLI that attacks a live AI agent the way real users and attackers will — multi-turn conversations, tool abuse, live endpoints — and turns every discovered failure into a firewall rule, running locally or against the Humanbound Platform with no login required to start. It's for teams building tool-using AI agents who want agent-level adversarial testing instead of single-prompt testing that misses multi-turn or tool-use failures.

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