Agen Observability vs Willow: Side-by-Side Comparison (2026)

Agen Observability: Discovers, monitors, and governs AI agent & MCP access to enterprise systems. built by Agen.co. Core capabilities include Automated discovery and inventory of all AI agents, copilots, and MCP connections, User monitoring to track which employees are using which AI agents, MCP observability to detect unauthorized or homegrown MCP servers..

Willow: Control plane for governing enterprise AI agent identity, access, and actions. built by Willow. Core capabilities include AI agent identity verification and authentication, Action-level permission enforcement and policy rules, Self-service employee tool catalog with identity-based provisioning..

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

Agen Observability differentiates with Automated discovery and inventory of all AI agents, copilots, and MCP connections, User monitoring to track which employees are using which AI agents, MCP observability to detect unauthorized or homegrown MCP servers. Willow differentiates with AI agent identity verification and authentication, Action-level permission enforcement and policy rules, Self-service employee tool catalog with identity-based provisioning.

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

Agen Observability and Willow serve similar Agentic AI Security use cases: both are Agentic AI Security tools, both cover Agentic AI Security, AI Governance, MCP Security. Review the feature comparison above to determine which fits your requirements.