General
PromptBeginner5 minmarkdown
Arcjet rules run **before** the request reaches your AI model — blocking prompt injection
PII leakage
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General
PromptBeginner5 minmarkdown
Check for an existing shared Arcjet client (see `/arcjet:protect-route` for full setup). If none exists
set one up first with `shield()` as the base rule. The user will need to register for an Arcjet account at https://app.arcjet.com then use the `ARCJET_KEY` in their environment variables.
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General
PromptBeginner5 minmarkdown
Detects jailbreaks
role-play escapes
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General
PromptBeginner5 minmarkdown
Read https://docs.arcjet.com/llms.txt for comprehensive SDK documentation covering all frameworks
rule types
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General
PromptBeginner5 minmarkdown
Secure AI/LLM endpoints with layered protection: prompt injection detection
PII blocking
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General
PromptBeginner5 minmarkdown
description: Protect AI chat and completion endpoints from abuse — detect prompt injection and jailbreak attempts
block PII and sensitive info from leaking in responses
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General
PromptBeginner5 minmarkdown
Best practices — legend-first
one device type at a time
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General
PromptBeginner5 minmarkdown
Add AI protection
---
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General
PromptBeginner5 minmarkdown
Visual symbol table — per ELV system (CCTV
FAS
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General
PromptBeginner5 minmarkdown
pdfcount
---
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General
PromptBeginner5 minmarkdown
$analysis_of_ai_characteristics (Identify areas that sound robotic
overly formal
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General
PromptBeginner5 minmarkdown
mc
make me an advance minecraft hack with good visuals and advance modules
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Creative
PromptBeginner5 minmarkdown
- Starting a stream before calling `protect()` — if the request is denied mid-stream
the client gets a broken response. Always call `protect()` first and return an error before opening the stream.
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General
PromptBeginner5 minmarkdown
**Vercel AI SDK**: Arcjet works alongside the Vercel AI SDK. Call `protect()` before `streamText()` / `generateText()`. If denied
return a plain error response instead of calling the AI SDK.
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General
PromptBeginner5 minmarkdown
**Multiple models / providers**: Use the same Arcjet instance regardless of which AI provider you use. Arcjet operates at the HTTP layer
independent of the model provider.
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Creative
PromptBeginner5 minmarkdown
**Streaming responses**: Call `protect()` before starting the stream. If denied
return the error before opening the stream — don't start streaming and then abort.
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General
PromptBeginner5 minmarkdown
- `list-requests` — confirm decisions are being recorded
filter by conclusion to see blocks
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Creative
PromptBeginner5 minmarkdown
Start all rules in `DRY_RUN` mode first. Once verified
promote to `LIVE`.
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General
PromptBeginner5 minmarkdown
Adapt the response format to your framework (e.g.
`res.status(429).json(...)` for Express).
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General
PromptBeginner5 minmarkdown
console.warn(Arcjet error:
decision.reason.message);
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General
PromptBeginner5 minmarkdown
sensitiveInfoValue: userMessage
// PII scanning
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General
PromptBeginner5 minmarkdown
detectPromptInjectionMessage: userMessage
// injection detection
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General
PromptBeginner5 minmarkdown
return Response.json({ error: Forbidden }
{ status: 403 });
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Coding & Debugging
PromptBeginner5 minmarkdown
Always include `shield()` (WAF) and `detectBot()` as base layers. Bots scraping AI endpoints are a common abuse vector. For endpoints accessed via browsers (e.g. chat interfaces)
consider adding Arcjet advanced signals for client-side bot detection that catches sophisticated headless browsers. See https://docs.arcjet.com/bot-protection/advanced-signals for setup.
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