Agen Shield vs Repello AI ARGUS: Side-by-Side Comparison (2026)

Agen Shield: Endpoint & browser enforcement layer blocking dangerous AI agent actions pre-execution. built by Agen.co. Core capabilities include On-device pre-execution blocking of out-of-policy AI agent actions, Browser paste detection and blocking of sensitive data into AI tools, Unified policy plane shared across device, browser, and gateway enforcement..

Repello AI ARGUS: Runtime security platform providing guardrails for LLMs and GenAI agents. built by Repello AI. Core capabilities include Real-time prompt injection and jailbreak detection, PII leakage detection, Configurable guardrail policies (Repello Guard Policies)..

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

Agen Shield differentiates with On-device pre-execution blocking of out-of-policy AI agent actions, Browser paste detection and blocking of sensitive data into AI tools, Unified policy plane shared across device, browser, and gateway enforcement. Repello AI ARGUS differentiates with Real-time prompt injection and jailbreak detection, PII leakage detection, Configurable guardrail policies (Repello Guard Policies).

Agen Shield is developed by Agen.co. Repello AI ARGUS is developed by Repello AI. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Agen Shield and Repello AI ARGUS serve similar Agentic AI Security use cases: both cover Policy. Review the feature comparison above to determine which fits your requirements.