Capsule Runtime Security for AI Agents vs Caterpillar: Side-by-Side Comparison (2026)

Capsule Runtime Security for AI Agents: Runtime security platform for AI agents with discovery, observability, and enforcement. built by Capsule Security. Core capabilities include Agentless AI agent discovery across home-grown, SaaS, and endpoint environments, Agent Security Graph mapping agent-tool-data relationships at runtime, Real-time observability into agent actions, decisions, and execution paths..

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.

Capsule Runtime Security for AI Agents differentiates with Agentless AI agent discovery across home-grown, SaaS, and endpoint environments, Agent Security Graph mapping agent-tool-data relationships at runtime, Real-time observability into agent actions, decisions, and execution paths. Caterpillar differentiates with Scan AI skill files and directories for security threats, Detect dangerous or excessive permission requests, Identify data exfiltration behaviors in skills.

Capsule Runtime Security for AI Agents is developed by Capsule 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.

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