Home / Prompt-injection firewalls & guardrails / Vigil
Vigil
Python library and API that scans LLM inputs for prompt injection and jailbreaks. Last code push Jan 2024.
Open source
| Category | Prompt-injection firewalls & guardrails |
|---|---|
| Official site | github.com/deadbits/vigil-llm |
| Maker | Independent (deadbits) |
| Ownership / acquisition | Not published / not yet verified |
| License model | Open source |
| License | Apache-2.0 |
| Public pricing | Free (open source) |
| Source code | deadbits/vigil-llm |
| 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.