Maintenance in progress… will be live in a few days
Sprapp
Sprappy Filter

Stop prompt threats before they reach your LLM

Pre-LLM threat scoring across 25 categories — prompt injection, jailbreaks, PII, malware, and more. <1ms, $0 infra, runs at the edge (Cloudflare Workers / WASM) and natively in-process.

User Prompt → Sprappy Filter → [Allow / Sanitize / Block] → LLM

Try it live

25 threat categories

Injection, jailbreak, PII, secrets, malware, CSAM, self-harm, and more — one pass.

<1ms, $0 infra

Aho-Corasick over a 57K-pattern DB in a single O(n) pass. No model call, no GPU.

Edge + native

Runs as a Cloudflare Worker / WASM at the edge, or in-process via FFI.