Caterpillar vs Repello AI Agent Wiz: Side-by-Side Comparison (2026)

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..

Repello AI Agent Wiz: Open-source CLI tool to map, threat-model, and secure AI agent workflows. built by Repello AI. Core capabilities include AST-based flow extraction from Python orchestrator files to generate agent-to-tool-to-LLM graphs, MAESTRO threat modeling across 12 known agentic failure modes, Real-time graph visualization with export to .png, .dot, or interactive formats..

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

Caterpillar differentiates with Scan AI skill files and directories for security threats, Detect dangerous or excessive permission requests, Identify data exfiltration behaviors in skills. Repello AI Agent Wiz differentiates with AST-based flow extraction from Python orchestrator files to generate agent-to-tool-to-LLM graphs, MAESTRO threat modeling across 12 known agentic failure modes, Real-time graph visualization with export to .png, .dot, or interactive formats.

Caterpillar is developed by Alice. Repello AI Agent Wiz is developed by Repello AI. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Caterpillar integrates with Claude Skills, Cursor Rules, MCP configs. Repello AI Agent Wiz integrates with Autogen, LangGraph, CrewAI, LlamaIndex, OpenAI SDK and 1 more. Check integration compatibility with your existing security stack before deciding.

Caterpillar and Repello AI Agent Wiz serve similar Agentic AI Security use cases: both are Agentic AI Security tools, both cover Open Source. Review the feature comparison above to determine which fits your requirements.