Agen Shield vs PromptArmor Claude Skills Risk Assessment: 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..

PromptArmor Claude Skills Risk Assessment: Threat intel service assessing Claude AI skill definitions for security/privacy risk. built by PromptArmor. Core capabilities include Claude skill definition security assessment via URL, file upload, or paste, Write action risk detection (file writes, email sends, API posts, code execution), Skill definition prompt injection detection..

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. PromptArmor Claude Skills Risk Assessment differentiates with Claude skill definition security assessment via URL, file upload, or paste, Write action risk detection (file writes, email sends, API posts, code execution), Skill definition prompt injection detection.

Agen Shield is developed by Agen.co. PromptArmor Claude Skills Risk Assessment is developed by PromptArmor. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Agen Shield integrates with MDM (Mobile Device Management). PromptArmor Claude Skills Risk Assessment integrates with GitHub, Claude AI Directory, Gmail, Slack. Check integration compatibility with your existing security stack before deciding.

Agen Shield and PromptArmor Claude Skills Risk Assessment serve similar Agentic AI Security use cases: both are Agentic AI Security tools, both cover Agentic AI Security, LLM Security, Data Exfiltration. Key differences: Agen Shield is Commercial while PromptArmor Claude Skills Risk Assessment is Free. Review the feature comparison above to determine which fits your requirements.