Agen.co Discover vs KeyRunner: 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..

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 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. 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 Discover 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 Discover integrates with Microsoft Entra ID, Okta, Google Workspace, Microsoft Defender for Endpoint, AWS. KeyRunner integrates with Claude, ChatGPT, Cursor, HashiCorp Vault, 1Password and 10 more. Check integration compatibility with your existing security stack before deciding.

Agen.co Discover 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.