Kastra

Kastra

Kastra is described as an authorization layer for AI systems that decides what agents, models, and AI tools are allowed to do before they act, providing sub-millisecond policy decisions, cryptographic audit trails, and a zero implicit trust model.

Kastra is ai tools software teams evaluate for ai agents. Use this page to review pricing, integration signals, and the best alternatives before you commit.

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#450 in AI Agents (450 tools)
Just launched
Data reviewed Jul 22, 2026

Profile facts come from the vendor source. AiMatch labels unknown pricing or API details instead of estimating them.

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Quick Overview

Best for: AI Agents

What it does

AI Tools software for decision-makers comparing workflow fit and alternatives.

Best fit

AI Agents

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Kastra

Kastra is presented as an authorization layer for AI systems that enforces policies and decides what agents, models, and AI tools are allowed to do before they act. The site emphasizes sub-millisecond policy decisions, cryptographic audit trails, and a zero implicit trust approach. The product references a platform with components such as Kastra Edge for local AI enforcement and Kastra Recon, and focuses on runtime authorization and enforcement for AI agents and AI agent governance.

Runtime authorization for Claude, Cursor, Codex and OpenClaw Discussion | Link

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Key Features

Sub-millisecond policy decisions

The site highlights the capability of making policy decisions in sub-millisecond timeframes.

Cryptographic audit trails

Kastra advertises cryptographic audit trails to record and prove authorization decisions.

Zero implicit trust

The product emphasizes a 'zero implicit trust' security posture for AI systems.

Kastra Edge — local AI enforcement

A named product component on the site described as local AI enforcement.

Kastra Recon

A named product/component referenced on the site (no further detail provided in the supplied content).

Runtime enforcement for AI agents

The site references runtime enforcement as a capability to control agent behavior during execution.

Pricing

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Use Cases

Runtime authorization for AI

Enforcing what agents, models, and AI tools are allowed to do at runtime, as described on the site.

Runtime enforcement for AI agents

Applying policies and controls during agent execution to manage behavior and permissions.

AI agent governance

Governance of AI agents, including policy enforcement and auditability, as a site-stated focus.

Integrations

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Benefits

Faster enforcement via sub-millisecond policy decisions
Auditability through cryptographic audit trails
Improved security posture with a zero implicit trust model

Limitations

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Frequently Asked Questions

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Getting Started

  1. 1 Visit the Product or Kastra platform overview on the site
  2. 2 Review the Docs section for technical and implementation details
  3. 3 Use the Contact link on the site to inquire or request more information

Support

docs

Site lists a Docs section for product and technical information.

contact

Site lists a Contact link for inquiries and further support.

API

Available: No

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