Agen Shield vs Repello AI SkillCheck: 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 SkillCheck: Scans and catalogs AI agent skills/plugins for security vulnerabilities. built by Repello AI. Core capabilities include Browsable skill library of scanned AI skills, Skill upload for scanning, Severity-based classification of scanned skills..

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 SkillCheck differentiates with Browsable skill library of scanned AI skills, Skill upload for scanning, Severity-based classification of scanned skills.

Agen Shield is developed by Agen.co. Repello AI SkillCheck 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 SkillCheck serve similar Agentic AI Security use cases: both are Agentic AI Security tools. Key differences: Agen Shield is Commercial while Repello AI SkillCheck is Free. Review the feature comparison above to determine which fits your requirements.