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What is nono?

nono is an innovative open-source sandbox designed to provide a fortified environment for AI coding agents and LLM functions through kernel enforcement. Unlike conventional policy-based guardrails that simply supervise and filter actions, nono effectively utilizes operating system security features—specifically Landlock on Linux and Seatbelt on macOS—to render any unauthorized operations impossible at the syscall level. With a single command, users can encapsulate any AI agent, such as Claude Code, OpenCode, OpenClaw, or any command-line interface process, ensuring a streamlined experience. The system automatically implements a default-deny policy for filesystem access, limits dangerous commands (like rm, dd, chmod, and sudo), isolates sensitive credentials and API keys, and extends these restrictions to all child processes, effectively preventing any possibility of evasion once the constraints are established. Featuring built-in profiles for quick deployment, it allows for secure injection of secrets from the system keystore, including automatic zeroization upon exit for added safety. Future upgrades are on the horizon, including audit logging, atomic rollbacks, and Sigstore-attested policy signing, which will enhance tracking and security capabilities. Operating under the Apache 2.0 license, nono is developed by the same creator behind Sigstore, underscoring its trustworthiness and effectiveness in securing AI workloads while continually evolving to meet future security needs. Moreover, its commitment to open-source principles ensures that it remains adaptable and transparent for users seeking robust AI development solutions.

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.

Media

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Integrations Supported

Claude Code
OpenAI Codex
OpenClaw
OpenCode

Integrations Supported

Claude Code
OpenAI Codex
OpenClaw
Antigravity CLI
Cursor
Google Antigravity
Hermes Agent
Kiro

API Availability

API Availability

Pricing Information

Pricing not provided
Free Version

Pricing Information

Pricing not provided
Free Version

Supported Platforms

Mac
Linux

Supported Platforms

SaaS
Mac
Linux

Customer Service / Support

Not specified

Customer Service / Support

Not specified

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Always Further

Date Founded

2025

Company Location

United Kingdom

Company Website

alwaysfurther.ai/

Company Facts

Organization Name

Harden

Date Founded

2025

Company Location

United States

Company Website

harden.run/

Categories and Features

Agentic Cybersecurity

Not specified

AI Security

Not specified

Categories and Features

AI Agent Security

Not specified

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