{
 "id": "https://redfinchadvisory.com/lexicon/input-guardrail",
 "slug": "input-guardrail",
 "prefLabel": "Input guardrail",
 "altLabel": [
  "Input filter",
  "Input validation",
  "Prompt filter"
 ],
 "hiddenLabel": [],
 "definition": "A guardrail that checks or filters what goes into a model before the model processes it.",
 "scopeNote": "",
 "tier": null,
 "group": "Risks",
 "broader": [
  "https://redfinchadvisory.com/lexicon/guardrail"
 ],
 "narrower": [],
 "related": [
  {
   "id": "https://redfinchadvisory.com/lexicon/prompt-injection",
   "type": "related"
  }
 ],
 "links": [],
 "modified": "2026-10-21",
 "markdown": "https://redfinchadvisory.com/lexicon/input-guardrail.md",
 "inScheme": {
  "id": "https://redfinchadvisory.com/lexicon",
  "version": "1.0",
  "currentAsOf": "2026-10-21"
 }
}