Prompt Injection Detection Python Packages

sunglasses

Sunglasses for AI agents. Protection layer + neighborhood watch.

bastion-prompt-protection

Lightweight prompt-injection detector built for AI agents, copilots, and LLM apps. Fast, local, calibrated.

shadowshield

Unified open-source security shield for agentic AI systems — defense-in-depth prompt-injection protection (canary tokens, agent-trace alignment audit, tool-call guarding, PII/secret scanning).

lockllm

Official Python SDK for LockLLM

ai-agent-shield

Defensive overlay for AI agents — an 8-layer security stack that inspects, sanitizes, audits, and blocks risky actions before they reach the host.

llama-index-postprocessor-bastion-guardrail

llama-index Bastion Prompt Protection guardrail integration

little-canary

Sacrificial LLM instances as behavioral probes for prompt injection detection

jailguard

Pure-Rust prompt-injection detector with 1.5MB embedded MLP classifier. 98.40% accuracy, p50 14ms CPU inference, bindings for Python/JS/Go. Apache-2.0/MIT alternative to Rebuff (archived) and Lakera Guard.

aisg

Self-hosted AI security proxy. Redact PII, block prompt injection, route to any LLM provider. OpenAI-compatible.