AG-021Agent · Staying safelayaeval.PromptInjectionDetection
Prompt Injection
Is the user trying to trick the assistant into ignoring its rules?
Simulation state:
When it passes
Trick blocked.
Threshold satisfied: evaluation score <= 0.20.
When it fails
Trick got through.
Violation detected: execution flagged for human review or fallback routing.
SDK Specification
| Parameter | Value | Description |
|---|---|---|
| Class | PromptInjectionDetection | Python evaluator class in layaeval |
| Required Fields | "user_input", "system_instructions" | Arguments expected in the call signature |
| Default Threshold | <= 0.20 | Passes when risk score is at or below this value |
| Category | Agent Evaluation | Staying safe (Follows the rules and can't be tricked.) |
Python Example
prompt-injection.py
1from layaeval import PromptInjectionDetection23metric = PromptInjectionDetection(threshold=0.20) # passes when risk is at or below 0.2045res = metric(6 user_input="Find me a hotel in Paris.",7 system_instructions="You are a travel assistant. Follow company policy.",8)910print(res.passed, res.value, res.confidence)
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