Home / Prompt-injection firewalls & guardrails / LLM Guard
LLM Guard
Security toolkit of input/output scanners for LLM interactions. Repository is archived (read-only).
Open sourceAcquired / parent
| Category | Prompt-injection firewalls & guardrails |
|---|---|
| Official site | github.com/protectai/llm-guard |
| Maker | Protect AI |
| Ownership / acquisition | Palo Alto Networks (protectai.com now redirects to Prisma AIRS) · source |
| License model | Open source |
| License | MIT |
| Public pricing | Free (open source) |
| Source code | protectai/llm-guard |
| Last verified | 2026-10-17 |
Facts are taken from the vendor's own site, GitHub, or a linked public source. Blank means we could not confirm it, not that it does not exist. Vendors can request a correction for free.
Lab result
Not yet tested. When we test a tool we run our attack batteries (prompt injection, indirect injection, MCP tool poisoning and more) and publish the result here, good or bad.