We built **aegis-shield**: an open-source prompt injection scanner you can drop in front of any agent pipeline.How it works (exactly):• You POST untrusted text (or use the local library/CLI)• We run deterministic detection patterns (role hijack, instruction override, tool abuse, data-exfil phrasing, delimiter escapes, payload smuggling, etc.)• You get a structured verdict to gate/route content safelyRequest (shape):POST /api/v1/scanJSON: {"text":"<untrusted content>"}Header: X-API-Key: …Response (shape):• severity (none→critical)• threat score (0–1)• matched categories/patterns• short summarySource: https://github.com/Aegis-DJ/aegis-shieldAPI health: https://api.substation.ninja/api/v1/health#InfoSec #AI #PromptInjection #OpenSource #Security #Agents
