rust

Guide multi-crate Rust workspace architecture with Tokio and safe FFI.

15|4|Updated Jan 20, 2026
One-click install
npx skills add https://github.com/cofin/flow --skill rust-cofin
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: rust
Source: https://github.com/cofin/flow/tree/main/skills/rust
Command: npx skills add https://github.com/cofin/flow --skill rust-cofin

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides best practices and patterns for building high-performance, reliable Rust systems, covering workspace architecture, asynchronous programming, cross-platform compatibility, and safe FFI interactions.

Core Features & Use Cases

  • Workspace Architecture: Structure multi-crate Rust projects for maintainability and scalability.
  • Async Runtimes: Efficiently manage asynchronous operations using Tokio and related libraries.
  • FFI Integration: Safely expose Rust functionality to other languages like Python and Node.js.
  • Unsafe Discipline: Guidelines for using unsafe Rust responsibly and securely.
  • Use Case: When developing a complex backend service in Rust that requires efficient I/O, inter-process communication, and potential integration with Python libraries, this Skill will guide you on structuring your project and implementing robust features.

Quick Start

Apply the Rust skill to structure a new multi-crate workspace for a high-performance backend service.

Frequently Asked Questions about rust

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

FAQPage Schema
How do I structure a multi-crate Rust workspace for maintainability?

Structure a Rust workspace by organizing multiple crates to separate concerns, ensuring maintainability and scalability for complex backend systems. This architecture isolates modules while allowing shared dependencies and unified build configurations.

What's the best way to manage asynchronous operations in Rust?

Manage asynchronous operations in Rust by utilizing runtimes like Tokio to efficiently handle concurrent I/O and inter-process communication. This approach ensures high performance for backend services requiring non-blocking workloads.

How do I expose Rust functionality to Python and Node.js?

Expose Rust functionality to Python and Node.js by building safe Foreign Function Interface (FFI) surfaces. Using build tools like Maturin streamlines packaging and deployment for cross-language system integration.

Does this Rust skill provide guidelines for using unsafe code?

Yes, it enforces unsafe code discipline by providing guidelines for using unsafe Rust responsibly and securely. This ensures robust memory management and system reliability without compromising overall safety guarantees.

How do I handle errors in a multi-crate Rust workspace?

Handle errors in a Rust workspace using libraries like thiserror to define custom error types across crate boundaries. This standardizes error propagation and maintains robust, type-safe failure handling.

Can I use Maturin and PGO for Rust build and CI practices?

Yes, you can integrate Maturin and Profile-Guided Optimization (PGO) into Rust build and CI practices. Maturin packages Python extensions while PGO optimizes runtime performance based on profiling data.