Oso

Authorization Engine#6 of 6 in AI Identity & Access

50%

COVERAGE

Polar declarative policy language; embeds directly in app code; strongest developer control; authorization-only (no AuthN); Cedar-alternative; ReBAC support

Identity

0 full, 1 partial of 3

Agent Authentication

Authenticate AI agents as first-class identities. Machine-to-machine tokens, agent credentials, and headless authentication flows.

Partial

Human-in-the-Loop Auth

Authenticate the human behind the agent. OAuth 2.0 consent flows, session delegation, and user context propagation through agent chains.

None

Token Vault / Credential Mgmt

Securely store and refresh API tokens for third-party services (Google, Slack, GitHub). Agent credential lifecycle management.

None

Access Control

3 full, 0 partial of 3

Fine-Grained Authorization

Resource-level permissions beyond tenant-wide roles. Hierarchical access (org→workspace→project→file) with inheritance and scoping.

Full

Least-Privilege / Scoping

Restrict agents to minimum required permissions. Read-only by default, explicit elevation for writes. Per-tool and per-resource scoping.

Full

Policy Engine / ABAC

Attribute-based access control, policy-as-code (OPA/Cedar/Polar), and real-time policy evaluation for dynamic authorization decisions.

Full

Integration

1 full, 1 partial of 4

MCP / A2A Protocol Support

Native support for Model Context Protocol server auth, agent-to-agent protocol, and agentic framework integration (LangChain, CrewAI).

None

Enterprise SSO & SCIM

SAML/OIDC SSO, directory sync (SCIM), IdP integration (Okta, Azure AD, Google Workspace). Enterprise identity plumbing.

None

Audit Logging & Compliance

Complete audit trail of agent authorization decisions. Who accessed what, when, and why. Compliance reporting for SOC2/GDPR.

Partial

Authorization Latency

Sub-50ms authorization checks at scale. Critical for agents making hundreds of permission checks per second during tool execution.

Full

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