Opal Zero

Opal Zero

Opal Security
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+

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About

Antaeus is a semantic policy engine for developers who need to evaluate human-written rules about language, context, intent, or exceptions. Its open-source Go core and command-line interface load YAML or JSON policy artifacts, validate them against versioned schemas, and run named regression cases. The evaluator returns explicit allow, review, deny, or failure outcomes with policy identity and decision evidence, leaving authentication, authorization, and consequential actions to the application. Developers can run a deterministic, credential-free local workflow or use the experimental hosted dashboard and API to manage policies and evaluate inputs. An experimental OpenAI evaluator is also available. Antaeus is an early-stage project; hosted service capacity is shared and has no production SLA.

About

Opal Zero is a just-in-time access governance platform for AI agents that inventories every agent, maps it to an accountable owner, decides each access request, and enforces the decision in the MCP gateway already in place. It gives organizations one inventory across identity providers and AI platforms such as Okta, Entra, Anthropic, OpenAI, Bedrock AgentCore, and Cursor, showing what every agent can access and who owns it. Risk Center surfaces access that is off-purpose, unowned, or standing and routes issues to the appropriate owner with an inline fix. Paladin evaluates requests using policy and context, identifies the least-privileged path, respects owner boundaries, and shows the reasoning behind each decision. Policy Insights uses real agent behavior to identify unused access and opportunities to improve access policy instead of relying on one-off remediation. Gateway Enforcement writes approved decisions as scoped, time-bound policy into existing gateways.

Platforms Supported

Windows Not Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers building custom content moderation, marketplace listing policies, and applications that evaluate human-written business rules.

Audience

Security, identity, and IT teams seeking to govern AI-agent access with inventory, ownership, risk analysis, just-in-time decisions, and least-privilege enforcement

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

Free
The local Go engine is available under the Apache-2.0 license at no charge. Hosted usage includes a shared free allowance of up to 100 completed decisions per day, subject to shared capacity and without a production SLA. Paid usage is available through credit purchases starting at $10; hosted evaluation charges are usage-based.
Free Version Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Not Supported

Company Information

Antaeus
antaeus.io

Company Information

Opal Security
Founded: 2020
United States
www.opal.dev/zero

Alternatives

Alternatives

Leapter

Leapter

Leapter GmbH
Enkrypt AI

Enkrypt AI

Anaconda

Categories

Categories

AI Agent Security Supported

Integrations

OpenAI Supported
Amazon Bedrock AgentCore Not Supported
Amazon S3 Not Supported
Anthropic Not Supported
Cursor Not Supported
Kubernetes Not Supported
Microsoft Entra ID Not Supported
Model Context Protocol (MCP) Not Supported
Okta Not Supported
Opal Security Not Supported

Integrations

OpenAI Supported
Amazon Bedrock AgentCore Supported
Amazon S3 Supported
Anthropic Supported
Cursor Supported
Kubernetes Supported
Microsoft Entra ID Supported
Model Context Protocol (MCP) Supported
Okta Supported
Opal Security Supported
Claim Antaeus and update features and information
Claim Antaeus and update features and information
Claim Opal Zero and update features and information
Claim Opal Zero and update features and information