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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 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.

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Integrations Supported

Claude Code
OpenClaw
Codex CLI
Cursor
Go
Google Sheets
JSON
Java
Microsoft Excel
OpenAI
OpenAI Codex
OpenCode
Python
Rust
Slack
Swift
TypeScript
YAML

Integrations Supported

Claude Code
OpenClaw
Codex CLI
Cursor
Go
Google Sheets
JSON
Java
Microsoft Excel
OpenAI
OpenAI Codex
OpenCode
Python
Rust
Slack
Swift
TypeScript
YAML

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Pricing Information

$19.99 per month
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

Always Further

Date Founded

2025

Company Location

United Kingdom

Company Website

alwaysfurther.ai/

Company Facts

Organization Name

Kastra

Date Founded

2026

Company Location

United States

Company Website

kastra.ai/

Categories and Features

Categories and Features

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