An agent should execute one task with a short-lived, audience- and permission-restricted credential while preserving user and agent identities, execution-time authorization, confirmation, and audit lineage.
Stytch is an API-first managed identity platform: choose the Consumer or B2B model, converge authentication factors into sessions, then enforce organization and RBAC boundaries on the server.
Twingate uses clients, connectors, a controller, and relays to narrow user authorization to specific resources; it is managed ZTNA rather than a general peer-to-peer overlay.