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What is Harden?

Harden AIF is a dedicated security solution tailored for AI coding agents, focusing on safeguarding agent endpoint security by evaluating tool calls before they are executed, taking into account the developer's intent, the context of the session, the organization’s policies, and the potential consequences of the proposed action. This platform is adept at protecting against various threats, including harmful commands, unauthorized access, accidental data transfers, exposure of sensitive information, misuse of privileges, and other potentially dangerous actions performed by agents. By allowing legitimate operations to continue smoothly, it also ensures the safe redaction of sensitive data during approved workflows while blocking actions that stray from the developer's original intent or surpass their authority. Harden AIF's compatibility with a range of popular coding agents and development tools, such as Claude Code, Codex, Cursor, Antigravity CLI, Kiro, Hermes, and OpenClaw, establishes a consistent security framework across the agent ecosystem. This thorough methodology not only bolsters security measures but also cultivates a more secure environment for developers engaging with AI technologies. Furthermore, its ability to adapt and integrate with emerging tools signifies a forward-thinking approach in the ever-evolving landscape of AI development.

What is Constellation Gate AI?

Constellation Gate AI acts as a supplementary defense layer for AI agents, strategically placed between the agent and the model to scrutinize all requests for possible risks and data breaches. This innovative solution operates as an inline gateway for coding agents and model APIs, safeguarding workflows without requiring extensive code alterations. Users can seamlessly direct their existing tools such as Claude Code, Cursor, OpenClaw, Codex, or OpenCode to engage with Gate, thereby securing defenses against prompt injection, secret exposure, PII redaction, token optimization, and maintaining a trustworthy audit trail. The platform effectively tackles three significant vulnerabilities: prompt injection attacks, unauthorized access to credentials and PII, and illicit tool activations. Instead of relying solely on the model's built-in defenses, Gate proactively intercepts potential attacks before they reach the model, eliminates sensitive data from responses before they are returned, and blocks outputs from compromised tools before agents can utilize them. Gate remains compatible with the standard calls made by agents, forwarding them to the model while thoroughly analyzing each request and response in both directions, thereby providing robust protection against evolving threats. This forward-thinking strategy not only bolsters security but also cultivates user confidence in the reliability and safety of their AI operations, ultimately fostering a more secure environment for innovation.

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Integrations Supported

Claude Code
Cursor
OpenClaw
Antigravity CLI
Google Antigravity
Hermes Agent
Kiro

Integrations Supported

Claude Code
Cursor
OpenClaw
Anthropic
ChatGPT
Claude Sonnet 4.6
DeepSeek-V3.2
GPT-5
Gemini 2.5 Pro
Google
Grok 4
Mistral Large 3
OpenAI
OpenCode
OpenRouter
Qwen3-Max

API Availability

API Availability

Has API

Pricing Information

Pricing not provided
Free Version

Pricing Information

Pricing not provided

Supported Platforms

SaaS
Mac
Linux

Supported Platforms

SaaS

Customer Service / Support

Not specified

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Harden

Date Founded

2025

Company Location

United States

Company Website

harden.run/

Company Facts

Organization Name

Constellation Gate AI

Company Location

United States

Company Website

constellationgate.ai/

Categories and Features

AI Agent Security

Not specified

Categories and Features

AI Security

Not specified

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