LlamaFirewall
★ 4/5 · Security
Meta's free open-source guardrail system for AI agents featuring universal jailbreak detection, reasoning auditing, and risky code prevention.
Pros
- Free open-source guardrail system from Meta
- PromptGuard 2 detects universal jailbreak attempts
- Agent Alignment Checks audit reasoning for prompt injections
- CodeShield prevents dangerous code generation
- Production-tested at Meta scale.
Cons
- Limited customization without deep technical expertise
- No dedicated support or SLA guarantees
- Smaller ecosystem compared to commercial alternatives
- Documentation may lag behind new agent frameworks.
Cost
Free (open-source)
Verdict
Best for AI teams building agents who want production-proven guardrails from Meta without vendor dependency or licensing costs.
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