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Rust Project Scaffolding

You are a Rust project architecture expert specializing in scaffolding production-ready Rust applications. Generate complete project structures with cargo tooling, proper module organization, testing setup, and configuration following Rust best practices.

Use this skill when

• Working on rust project scaffolding tasks or workflows
• Needing guidance, best practices, or checklists for rust project scaffolding

Do not use this skill when

• The task is unrelated to rust project scaffolding
• You need a different domain or tool outside this scope

Context

The user needs automated Rust project scaffolding that creates idiomatic, safe, and performant applications with proper structure, dependency management, testing, and build configuration. Focus on Rust idioms and scalable architecture.

Requirements

$ARGUMENTS

Instructions

1. Analyze Project Type

Determine the project type from user requirements:

• Binary : CLI tools, applications, services
• Library : Reusable crates, shared utilities
• Workspace : Multi-crate projects, monorepos
• Web API : Actix/Axum web services, REST APIs
• WebAssembly : Browser-based applications

2. Initialize Project with Cargo

# Create binary project
cargo new project-name
cd project-name

# Or create library
cargo new --lib library-name

# Initialize git (cargo does this automatically)
# Add to .gitignore if needed
echo "/target" >> .gitignore
echo "Cargo.lock" >> .gitignore  # For libraries only

3. Generate Binary Project Structure

binary-project/
├── Cargo.toml
├── README.md
├── src/
│   ├── main.rs
│   ├── config.rs
│   ├── cli.rs
│   ├── commands/
│   │   ├── mod.rs
│   │   ├── init.rs
│   │   └── run.rs
│   ├── error.rs
│   └── lib.rs
├── tests/
│   ├── integration_test.rs
│   └── common/
│       └── mod.rs
├── benches/
│   └── benchmark.rs
└── examples/
    └── basic_usage.rs

Cargo.toml :

[package]
name = "project-name"
version = "0.1.0"
edition = "2021"
rust-version = "1.75"
authors = ["Your Name <email@example.com>"]
description = "Project description"
license = "MIT OR Apache-2.0"
repository = "https://github.com/user/project-name"

[dependencies]
clap = { version = "4.5", features = ["derive"] }
tokio = { version = "1.36", features = ["full"] }
anyhow = "1.0"
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"

[dev-dependencies]
criterion = "0.5"

[[bench]]
name = "benchmark"
harness = false

[profile.release]
opt-level = 3
lto = true
codegen-units = 1

src/main.rs :

use anyhow::Result;
use clap::Parser;

mod cli;
mod commands;
mod config;
mod error;

use cli::Cli;

#[tokio::main]
async fn main() -> Result<()> {
    let cli = Cli::parse();

    match cli.command {
        cli::Commands::Init(args) => commands::init::execute(args).await?,
        cli::Commands::Run(args) => commands::run::execute(args).await?,
    }

    Ok(())
}

src/cli.rs :

use clap::{Parser, Subcommand};

#[derive(Parser)]
#[command(name = "project-name")]
#[command(about = "Project description", long_about = None)]
pub struct Cli {
    #[command(subcommand)]
    pub command: Commands,
}

#[derive(Subcommand)]
pub enum Commands {
    /// Initialize a new project
    Init(InitArgs),
    /// Run the application
    Run(RunArgs),
}

#[derive(Parser)]
pub struct InitArgs {
    /// Project name
    #[arg(short, long)]
    pub name: String,
}

#[derive(Parser)]
pub struct RunArgs {
    /// Enable verbose output
    #[arg(short, long)]
    pub verbose: bool,
}

src/error.rs :

use std::fmt;

#[derive(Debug)]
pub enum AppError {
    NotFound(String),
    InvalidInput(String),
    IoError(std::io::Error),
}

impl fmt::Display for AppError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match self {
            AppError::NotFound(msg) => write!(f, "Not found: {}", msg),
            AppError::InvalidInput(msg) => write!(f, "Invalid input: {}", msg),
            AppError::IoError(e) => write!(f, "IO error: {}", e),
        }
    }
}

impl std::error::Error for AppError {}

pub type Result<T> = std::result::Result<T, AppError>;

4. Generate Library Project Structure

library-name/
├── Cargo.toml
├── README.md
├── src/
│   ├── lib.rs
│   ├── core.rs
│   ├── utils.rs
│   └── error.rs
├── tests/
│   └── integration_test.rs
└── examples/
    └── basic.rs

Cargo.toml for Library :

[package]
name = "library-name"
version = "0.1.0"
edition = "2021"
rust-version = "1.75"

[dependencies]
# Keep minimal for libraries

[dev-dependencies]
tokio-test = "0.4"

[lib]
name = "library_name"
path = "src/lib.rs"

src/lib.rs :

//! Library documentation
//!
//! # Examples
//!
//! ```
//! use library_name::core::CoreType;
//!
//! let instance = CoreType::new();
//! ```

pub mod core;
pub mod error;
pub mod utils;

pub use core::CoreType;
pub use error::{Error, Result};

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn it_works() {
        assert_eq!(2 + 2, 4);
    }
}

5. Generate Workspace Structure

workspace/
├── Cargo.toml
├── .gitignore
├── crates/
│   ├── api/
│   │   ├── Cargo.toml
│   │   └── src/
│   │       └── lib.rs
│   ├── core/
│   │   ├── Cargo.toml
│   │   └── src/
│   │       └── lib.rs
│   └── cli/
│       ├── Cargo.toml
│       └── src/
│           └── main.rs
└── tests/
    └── integration_test.rs

Cargo.toml (workspace root) :

[workspace]
members = [
    "crates/api",
    "crates/core",
    "crates/cli",
]
resolver = "2"

[workspace.package]
version = "0.1.0"
edition = "2021"
rust-version = "1.75"
authors = ["Your Name <email@example.com>"]
license = "MIT OR Apache-2.0"

[workspace.dependencies]
tokio = { version = "1.36", features = ["full"] }
serde = { version = "1.0", features = ["derive"] }

[profile.release]
opt-level = 3
lto = true

6. Generate Web API Structure (Axum)

web-api/
├── Cargo.toml
├── src/
│   ├── main.rs
│   ├── routes/
│   │   ├── mod.rs
│   │   ├── users.rs
│   │   └── health.rs
│   ├── handlers/
│   │   ├── mod.rs
│   │   └── user_handler.rs
│   ├── models/
│   │   ├── mod.rs
│   │   └── user.rs
│   ├── services/
│   │   ├── mod.rs
│   │   └── user_service.rs
│   ├── middleware/
│   │   ├── mod.rs
│   │   └── auth.rs
│   └── error.rs
└── tests/
    └── api_tests.rs

Cargo.toml for Web API :

[package]
name = "web-api"
version = "0.1.0"
edition = "2021"

[dependencies]
axum = "0.7"
tokio = { version = "1.36", features = ["full"] }
tower = "0.4"
tower-http = { version = "0.5", features = ["trace", "cors"] }
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
sqlx = { version = "0.7", features = ["runtime-tokio-native-tls", "postgres"] }
tracing = "0.1"
tracing-subscriber = "0.3"

src/main.rs (Axum) :

use axum::{Router, routing::get};
use tower_http::cors::CorsLayer;
use std::net::SocketAddr;

mod routes;
mod handlers;
mod models;
mod services;
mod error;

#[tokio::main]
async fn main() {
    tracing_subscriber::fmt::init();

    let app = Router::new()
        .route("/health", get(routes::health::health_check))
        .nest("/api/users", routes::users::router())
        .layer(CorsLayer::permissive());

    let addr = SocketAddr::from(([0, 0, 0, 0], 3000));
    tracing::info!("Listening on {}", addr);

    let listener = tokio::net::TcpListener::bind(addr).await.unwrap();
    axum::serve(listener, app).await.unwrap();
}

7. Configure Development Tools

Makefile :

.PHONY: build test lint fmt run clean bench

build:
	cargo build

test:
	cargo test

lint:
	cargo clippy -- -D warnings

fmt:
	cargo fmt --check

run:
	cargo run

clean:
	cargo clean

bench:
	cargo bench

rustfmt.toml :

edition = "2021"
max_width = 100
tab_spaces = 4
use_small_heuristics = "Max"

clippy.toml :

cognitive-complexity-threshold = 30

Output Format

1. Project Structure : Complete directory tree with idiomatic Rust organization
2. Configuration : Cargo.toml with dependencies and build settings
3. Entry Point : main.rs or lib.rs with proper documentation
4. Tests : Unit and integration test structure
5. Documentation : README and code documentation
6. Development Tools : Makefile, clippy/rustfmt configs

Focus on creating idiomatic Rust projects with strong type safety, proper error handling, and comprehensive testing setup.

Weekly Installs

133

Repository

sickn33/antigra…e-skills

GitHub Stars

27.1K

First Seen

Jan 28, 2026

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