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LLM input safety filter · guardrails

Paste any text. The filter scans for five categories an enterprise LLM system has to guard against — prompt injection, PII / secrets leakage, profanity, off-policy keywords. Returns a verdict (block / review / allow) and a redacted preview suitable for safe display.

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How it works

01

Prompt-injection patterns

Catches "ignore previous instructions", role swaps, system-prompt extraction, "developer mode" tricks.

02

PII detection

Regex for emails, phone numbers, credit cards, US SSNs, IP addresses.

03

API keys / secrets

Catches common API key formats: OpenAI (sk-), GitHub PAT, Slack tokens, AWS access keys.

04

Profanity & off-policy

Small built-in word lists for demo purposes. Production uses calibrated lists per industry vertical.

05

Verdict logic

Any high-severity finding → block. Any finding → review. Clean → allow.

06

Production swap

Same JSON contract drops in front of NeMo Guardrails, Guardrails AI, or Maxim with ML-based detectors for tone, hallucination, and brand safety.

Want this in front of your real LLM endpoints?

We deploy production-grade input + output guardrails using NeMo Guardrails, custom policy-as-code, and real-time monitoring with alerts to your security team — calibrated to your false-positive budget.

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