rune

Execute commands and file operations in a sandboxed Python environment.

3|Updated May 2, 2026
One-click install
npx skills add https://github.com/fourdollars/rune --skill rune-fourdollars
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: rune
Source: https://github.com/fourdollars/rune/tree/main
Command: npx skills add https://github.com/fourdollars/rune --skill rune-fourdollars

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires seccomp, cgroups, landlock, pdf2image, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill allows you to execute commands and perform file operations in a secure, isolated environment, protecting against unauthorized actions and potential threats.

Core Features & Use Cases

  • Sandboxed Command Execution: Run commands securely without the risk of unauthorized system modifications or data breaches.
  • File Operations: Perform read, write, and list operations on files with strict controls.
  • URL Fetching: Fetch content from URLs with domain-level access control.
  • Use Case: Ideal for scenarios where you need to automate tasks like fetching data, processing files, or running commands while ensuring security and reliability.

Quick Start

Run the rune command with a specific model and API key: rune --model gpt-4o --api-key <your_api_key>.

Frequently Asked Questions about rune

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I execute commands in a zero-trust environment without risking unauthorized system modifications?

You can achieve sandboxed command execution by using a zero-trust environment that leverages security modules like seccomp, cgroups, and landlock to enforce strict controls. This approach isolates commands and file operations, preventing unauthorized system modifications or data breaches during automated tasks.

What is sandboxed AI execution and when do I need it for file operations?

Sandboxed AI execution is the process of running automated tasks and file operations within a strictly controlled, isolated environment to prevent unauthorized actions. You need it when handling sensitive data, performing system maintenance, or running administrative workflows that require reliable security isolation.

How do I run the rune command for secure file operations and URL fetching?

To run secure file operations and URL fetching, execute the command `rune --model gpt-4o --api-key <your_api_key>`. This initiates the sandboxed environment, allowing you to perform read, write, list operations on files, and fetch URL content with domain-level access control.

Does this sandboxing approach work with seccomp, cgroups, and landlock for isolating automated tasks?

Yes, this sandboxing approach works by actively leveraging seccomp, cgroups, and landlock dependencies to create a zero-trust environment. These security modules enforce strict resource limits and access controls, successfully isolating automated tasks like sensitive data handling and system maintenance.

What are the limitations of using Python security modules for command execution?

The primary limitation of using Python security modules for command execution is the dependency on underlying kernel features like seccomp, cgroups, and landlock. If the host system lacks these supported security modules, the zero-trust sandboxing environment cannot properly enforce strict controls for file operations and URL fetching.