AI Shield M99 vs Caterpillar: Side-by-Side Comparison (2026)

AI Shield M99: AI agent kill switch with 6-level graduated response and 7-layer termination. built by Red Specter Security. Core capabilities include 6-level graduated response system with auto-escalation timers, 5-phase kill sequence across 7 infrastructure layers, Signal Skip for critical threats bypassing lower response levels..

Caterpillar: CLI scanner that detects security threats in AI agent skills before installation. built by Alice. Core capabilities include Scan AI skill files and directories for security threats, Detect dangerous or excessive permission requests, Identify data exfiltration behaviors in skills..

Both serve the Agentic AI Security market but differ in approach, feature depth, and target audience.

AI Shield M99 differentiates with 6-level graduated response system with auto-escalation timers, 5-phase kill sequence across 7 infrastructure layers, Signal Skip for critical threats bypassing lower response levels. Caterpillar differentiates with Scan AI skill files and directories for security threats, Detect dangerous or excessive permission requests, Identify data exfiltration behaviors in skills.

AI Shield M99 is developed by Red Specter Security. Caterpillar is developed by Alice. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

AI Shield M99 integrates with Docker, Kubernetes, AWS IAM, AWS Lambda, GCP service accounts. Caterpillar integrates with Claude Skills, Cursor Rules, MCP configs. Check integration compatibility with your existing security stack before deciding.

AI Shield M99 and Caterpillar serve similar Agentic AI Security use cases: both are Agentic AI Security tools, both cover Agentic AI Security, LLM Security. Key differences: AI Shield M99 is Commercial while Caterpillar is Free. Review the feature comparison above to determine which fits your requirements.