Tool · curated 1 Oct 2026
GitHub - rajatrao/jevshield: JevShield uses Ollama's native Jev-style decision-model API to perform fast, typed security decisions locally.
First reported github.com
Coverage timeline
Single-source research — first reported, latest, and curated coincide.
Why it matters
JevShield offers defenders a locally runnable guardrail to detect and block prompt-injection attacks against LLM agents, a growing threat vector for AI systems.
JevShield is an open-source GitHub project billed as a local prompt-injection firewall for LLM agents, using Ollama's native decision-model API to perform fast, typed security decisions locally. The repository includes application code, an attacks directory, benchmarks, a dashboard, and tests for detecting and blocking prompt-injection attempts.