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What is Kastra?

Kastra acts as a vital authorization framework for AI systems, establishing the permissions of agents, models, and tools before they are executed. Situated along the execution path of numerous interactions, including prompts, tool calls, shell commands, database transactions, and API requests, it assesses each action through deterministic, attribute-based policies, making decisions to allow, deny, redact, or escalate in less than a millisecond. Unlike monitoring solutions that merely observe AI activities after they occur, Kastra takes a preemptive stance, blocking unauthorized actions before they can affect any tools, APIs, databases, or production systems. Its extensive control plane encompasses a policy engine, edge decision-making features, multiple integrations, and a tamper-proof evidence vault that securely records each decision for future auditing and replay. Additionally, with the introduction of Kastra Edge, local enforcement capabilities are broadened to developer environments, protecting coding agents like Claude Code, Cursor, and Codex CLI from malicious commands, unauthorized data access, unsafe file changes, and incorrect tool usage. This forward-thinking approach to authorization not only bolsters security but also guarantees compliance and accountability in AI-driven operations, fostering a more trustworthy environment for users. By ensuring that all actions are rigorously vetted, Kastra significantly mitigates potential risks associated with AI technologies.

What is Cedar?

Cedar serves as an open-source policy language and evaluation framework developed by AWS, aimed at improving fine-grained access control for applications. This resource empowers developers to create concise and clear authorization policies, which effectively decouple access control from the main application logic. Cedar supports multiple authorization models, including role-based and attribute-based access control, enabling developers to craft policies that are both expressive and easy to analyze. The framework is designed with a focus on both clarity and performance, ensuring that the policies are not only understandable but also efficient in their implementation. By leveraging Cedar, applications can ensure precise authorization decisions, enhancing both security and maintainability in the process. Moreover, Cedar's policy structure is tailored for rapid access and facilitates fast, scalable real-time evaluations with consistently low latency. It also encourages the integration of analytical tools that can refine policies and confirm that your security measures meet your established standards, thereby boosting confidence in your overall security strategy. Ultimately, Cedar marks a significant step forward in the efficient management of application access control, providing developers with the tools necessary for robust security management. Additionally, its adaptability makes it suitable for a wide range of application types and security needs.

Media

Media

Integrations Supported

Amazon Verified Permissions
Amazon Web Services (AWS)
Claude Code
Codex CLI
Cursor
Go
Google Sheets
JSON
Java
Microsoft Excel
OpenAI
OpenClaw
Permit.io
Python
Rust
Slack
Swift
TypeScript
YAML

Integrations Supported

Amazon Verified Permissions
Amazon Web Services (AWS)
Claude Code
Codex CLI
Cursor
Go
Google Sheets
JSON
Java
Microsoft Excel
OpenAI
OpenClaw
Permit.io
Python
Rust
Slack
Swift
TypeScript
YAML

API Availability

Has API

API Availability

Has API

Pricing Information

$19.99 per month
Free Version
Free Trial Offered?

Pricing Information

Free
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Kastra

Date Founded

2026

Company Location

United States

Company Website

kastra.ai/

Company Facts

Organization Name

Amazon

Date Founded

1994

Company Location

United States

Company Website

www.cedarpolicy.com

Categories and Features

Categories and Features

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