BonkLM

1. 01
   PI
   Prompt Injection

   30 patterns across 5 categories — system override, role hijacking, instruction injection, encoded payload, context manipulation.
   module

   validators/prompt-injection.ts
2. 02
   JB
   Jailbreak Detection

   57 patterns across 10 categories — DAN, roleplay, hypothetical, authority, social engineering, trust, emotional, templates, obfuscation.
   module

   validators/jailbreak.ts
3. 03
   RF
   Reformulation Detector

   Encoding tricks, character injection, context overload — catches threats laundered through paraphrase.
   module

   validators/reformulation-detector.ts
4. 04
   BD
   Boundary Detector

   Detects attempts to cross conversational, instructional, and policy boundaries.
   module

   validators/boundary-detector.ts
5. 05
   PII
   PII Guard

   30 patterns — 7 US, 18 EU, 5 international — with Luhn, IBAN, BSN validation.
   module

   guards/pii/
6. 06
   SEC
   Secret Guard

   36 credential types with Shannon entropy — API keys, JWTs, certificates, signing keys.
   module

   guards/secret.ts
7. 07
   XSS
   XSS Safety

   Filters cross-site scripting vectors in LLM output before downstream rendering.
   module

   guards/xss-safety.ts
8. 08
   BSH
   Bash Safety

   Blocks unsafe shell command synthesis in tool-using agents.
   module

   guards/bash-safety.ts
9. 09
   STR
   Streaming Validator

   Real-time token-by-token threat detection over streaming responses.
   module

   engine/GuardrailEngine.ts

// Express + Anthropic example
import { GuardrailEngine } from '@blackunicorn/bonklm'
import { anthropicConnector } from '@blackunicorn/bonklm-anthropic'
import { expressMiddleware } from '@blackunicorn/bonklm-express'

const guard = new GuardrailEngine({
  sensitivity: 'standard',          // 'strict' | 'standard' | 'permissive'
  action: 'block',                  // 'block' | 'sanitize' | 'log' | 'allow'
  validators: [
    'prompt-injection',
    'jailbreak',
    'pii',
    'secret',
  ],
})

app.use(expressMiddleware(guard))
app.post('/chat', anthropicConnector(guard, anthropic))

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