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About

Harden AIF is an agent endpoint security platform for AI coding agents. It evaluates supported agent tool calls before execution using the developer’s intent, session context, organisational policy, and the effect of the proposed action. Harden helps protect against destructive commands, unauthorized access, unintended data transfers, secret exposure, privilege misuse, and other unsafe agent actions. Legitimate actions can proceed normally, sensitive data in supported flows can be safely redacted, and actions that fall outside the developer’s intent or authority are blocked before execution. Harden works across popular coding agents and agentic development tools including Claude Code, Codex, Cursor, Antigravity CLI, Kiro, Hermes, and OpenClaw, providing a consistent security layer across the agent ecosystem.

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.

Platforms Supported

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

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

Audience

Software engineering teams, security teams, DevSecOps teams, platform engineering teams, AI engineering teams, CISOs, security leaders, and enterprises deploying AI coding agents.

Audience

AI engineering and security teams that need to enforce authorization policies and audit every action performed by AI systems before execution

Support

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

Support

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

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

No information available.
Free Version Supported
Free Trial Not Supported

Pricing

$19.99 per month
Free Version 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

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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 Not Supported
Live Online Supported
In Person Not Supported

Company Information

Harden
Founded: 2025
United States
harden.run/

Company Information

Kastra
Founded: 2026
United States
kastra.ai/

Alternatives

Alternatives

Categories

AI Agent Security Supported

Categories

AI Governance Supported

Integrations

Claude Code Supported
Cursor Supported
OpenClaw Supported
Antigravity CLI Supported
Codex CLI Not Supported
Go Not Supported
Google Antigravity Supported
Google Sheets Not Supported
Hermes Agent Supported
JSON Not Supported
Java Not Supported
Kiro Supported
Microsoft Excel Not Supported
OpenAI Codex Supported
Python Not Supported
Rust Not Supported
Slack Not Supported
Swift Not Supported
TypeScript Not Supported
YAML Not Supported

Integrations

Claude Code Supported
Cursor Supported
OpenClaw Supported
Antigravity CLI Not Supported
Codex CLI Supported
Go Supported
Google Antigravity Not Supported
Google Sheets Supported
Hermes Agent Not Supported
JSON Supported
Java Supported
Kiro Not Supported
Microsoft Excel Supported
OpenAI Codex Not Supported
Python Supported
Rust Supported
Slack Supported
Swift Supported
TypeScript Supported
YAML Supported
Claim Harden and update features and information
Claim Harden and update features and information
Claim Kastra and update features and information
Claim Kastra and update features and information