Related Products
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About
Cerbos is an authorization management platform for defining, deploying and evaluating access-control policies across applications and services. Developers can use its policy decision point (PDP) to evaluate authorization requests, while teams author and manage policies for role-, relationship- and attribute-based access control. Cerbos supports local, self-hosted and cloud-based workflows, with policy testing, observability and audit information for reviewing authorization decisions. Cerbos Hub provides a managed environment for organizing and distributing policies, and the open-source Cerbos PDP can be deployed alongside application workloads. The platform is intended for engineering, security and product teams that need consistent, fine-grained authorization for users, services and other identities across distributed systems.
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About
Kastra is the authorization layer for AI systems, deciding what agents, models, and AI tools are allowed to do before they do it. It sits in the execution path of every prompt, tool call, shell command, database operation, and API request, evaluates each action against deterministic, attribute-based policy, and returns an allow, deny, redact, or escalate decision in under a millisecond. Unlike monitoring products that observe AI after it acts, Kastra blocks unauthorized behavior before it reaches a tool, API, database, or production system. Its unified control plane combines a policy engine, edge decision points, integrations, and a tamper-evident evidence vault that signs every decision for audit and replay. Kastra Edge brings local enforcement to developer machines, protecting Claude Code, Cursor, Codex CLI, and other coding agents from destructive commands, secret exfiltration, unsafe file writes, and unauthorized tool use.
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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
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Platforms Supported
Windows
Not Supported
Mac
Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Engineering, security and product teams that need fine-grained, auditable authorization across applications, gateways, workloads and AI agents.
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Audience
AI engineering and security teams that need to enforce authorization policies and audit every action performed by AI systems before execution
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and VideosNo images available
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Screenshots and Videos |
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Pricing
$25/month
The open-source Cerbos PDP is free forever. Cerbos Hub Proof of Concept is $0/month for up to 100 monthly active principals. Development starts at $25/month and includes the first 100 monthly active principals; a three-month free trial is offered. Production starts at $933/month and includes the first 5,000 monthly active principals. Enterprise plans have custom pricing.
Free Version
Supported
Free Trial
Supported
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Pricing
$19.99 per month
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Company InformationCerbos
Founded: 2021
United Kingdom
www.cerbos.dev
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Company InformationKastra
Founded: 2026
United States
kastra.ai/
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Alternatives |
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Categories |
Categories |
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Integrations
Apache Kafka
Supported
Claude Code
Not Supported
Codex CLI
Not Supported
Cursor
Not Supported
Envoy
Supported
Go
Not Supported
Google Sheets
Not Supported
JSON
Not Supported
Java
Not Supported
Microsoft Excel
Not Supported
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Integrations
Apache Kafka
Not Supported
Claude Code
Supported
Codex CLI
Supported
Cursor
Supported
Envoy
Not Supported
Go
Supported
Google Sheets
Supported
JSON
Supported
Java
Supported
Microsoft Excel
Supported
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