Note: Versions prior to 1.0.0 were a different project ("creation-addressed replicated objects"). If you're looking for that project, it remains available at crates.io/crates/caro/0.7.1. From version 1.0.0 onwards, this crate is the project described below.

caro

caro converts natural language descriptions into safe POSIX shell commands using local LLMs. Built with Rust for blazing-fast performance, single-binary distribution, and safety-first design with intelligent platform detection.

$ caro "list all PDF files in Downloads folder larger than 10MB"

Generated command:
  find ~/Downloads -name "*.pdf" -size +10M -ls

Execute this command? (y/N) y

Features

Fast startup - Single binary with quick initialization
Local LLM inference - Embedded models optimized for Apple Silicon (MLX) and CPU
Intelligent refinement - 2-iteration agentic loop for platform-specific command generation
Platform-aware - Automatically detects OS, architecture, shell, and available commands
Safety-first - Comprehensive validation with 52+ dangerous command patterns
Self-contained - Single binary distribution with embedded models
Multiple backends - Extensible system supporting MLX, CPU, vLLM, and Ollama
Cross-platform - Full support for macOS (including Apple Silicon), Linux, and Windows

Quick Start

Installation

cargo install caro

Or use the one-line setup script:

bash <(curl --proto '=https' --tlsv1.2 -sSfL https://setup.caro.sh)

Usage

# Basic command generation
caro "list all files in the current directory"

# With specific shell
caro --shell zsh "find large files"

# JSON output for scripting
caro --output json "show disk usage"

Documentation

For full documentation, visit the GitHub repository or caro.sh.

License

This project is licensed under the GNU Affero General Public License v3.0 (AGPL-3.0).