9 Best Prompt Injection Detection Tools in 2026 for AI Agents

Nine prompt injection detection tools compared for AI agents, with tool output coverage, pricing, and our CPU test of three open classifiers on 505 samples.

Nine prompt injection detection tools compared for AI agents, with tool output coverage, pricing, and our CPU test of three open classifiers on 505 samples.

Eight AI coding agent security tools compared for Claude Code, Cursor, and Codex, with hook coverage, config posture, and our Sage PreToolUse test on 20 actions.