Agen.co Discover vs PromptArmor Claude Skills Risk Assessment: Side-by-Side Comparison (2026)

Agen.co Discover: Discovers & inventories all AI agents across IdP, cloud, and endpoints. built by Agen.co. Core capabilities include Continuous AI agent discovery across IdP, cloud, endpoints, and registries, Shadow AI detection, including unapproved and undeclared agents, Agentless, API-based scanning with no endpoint software required..

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.co Discover differentiates with Continuous AI agent discovery across IdP, cloud, endpoints, and registries, Shadow AI detection, including unapproved and undeclared agents, Agentless, API-based scanning with no endpoint software required. 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.co Discover 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.co Discover integrates with Microsoft Entra ID, Okta, Google Workspace, Microsoft Defender for Endpoint, AWS. PromptArmor Claude Skills Risk Assessment integrates with GitHub, Claude AI Directory, Gmail, Slack. Check integration compatibility with your existing security stack before deciding.

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