Best for: assign accountable owners to agents
Ownership and discovery dominate this buyer situation.
Use this ranking when this is your primary buying job. All 11 platforms use the same underlying criterion scores.
Situation weights
- Agent identity and ownership
- 30%
- Agent discovery
- 25%
- Per-action policy
- 10%
- Agent credentials
- 5%
- Delegation and on-behalf-of access
- 5%
- Audit and lifecycle
- 15%
- Human approval
- 5%
- MCP gateway and tool control
- 5%
| Rank | Platform | Type / best for | Score | Evidence |
|---|---|---|---|---|
| 1 | NewCore | Agent governance layerPer-action governance alongside your existing IdP | 8.57 | Review Docs |
| 2 | Idira | Agent identity brokerMCP access with user and agent attribution | 7.78 | Review Docs |
| 3= | Descope | Agent authentication and access hubOAuth-based agent integration and user consent | 7.60 | Review Docs |
| 4= | Astrix | Agent discovery and provisioningDiscovering agents, owners and connected secrets | 7.53 | Review Docs |
| 5= | Aembit | Agent and workload identity brokerShort-lived credentials and delegated MCP access | 7.45 | Review Docs |
| 6 | Clutch Security | Agent identity guardrailsCross-environment discovery and lineage | 7.25 | Review Docs |
| 7= | Keycard | Agent access infrastructureDelegated tool access with step-up approval | 7.03 | Review Docs |
| 8= | Token Security | Agent discovery and postureAgent inventory, access maps and intent monitoring | 7.03 | Review Docs |
| 9= | Silverfort | Agent identity securityFinding agents and assigning accountable owners | 7.00 | Review Docs |
| 10 | SailPoint Entro | Agent discovery and credential governanceCorrelating agent owners and finding exposed secrets | 6.78 | Review Docs |
| 11 | Teleport | Infrastructure and MCP accessCryptographic agent access to infrastructure | 6.63 | Review Docs |
Trial checks
Test a denied request, revoked owner and expired token. Confirm what gets blocked before execution, which identities appear in the audit event and what happens when an approval times out.