Agen.co Personas vs KeyRunner: Side-by-Side Comparison (2026)

Agen.co Personas: AI agent governance platform for CISOs, security teams, IT, and devs. built by Agen.co. Core capabilities include AI agent registry with owner and risk score tracking, Policy Builder that generates rules from real agent traffic, Automated step-up triage via Agent in the Loop..

KeyRunner: Governed runtime securing AI agent API calls with credential injection & PII redaction. built by KeyRunner. Core capabilities include Pre-execution policy enforcement with RBAC before every API call, Runtime credential injection from external vaults without exposing secrets to agents, PII, PHI, and card data redaction from API responses before reaching the agent..

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

Agen.co Personas differentiates with AI agent registry with owner and risk score tracking, Policy Builder that generates rules from real agent traffic, Automated step-up triage via Agent in the Loop. KeyRunner differentiates with Pre-execution policy enforcement with RBAC before every API call, Runtime credential injection from external vaults without exposing secrets to agents, PII, PHI, and card data redaction from API responses before reaching the agent.

Agen.co Personas is developed by Agen.co. KeyRunner is developed by KeyRunner. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Agen.co Personas and KeyRunner serve similar Agentic AI Security use cases: both are Agentic AI Security tools, both cover Agentic AI Security, MCP Security, Non-Human Identity. Review the feature comparison above to determine which fits your requirements.