Loading...
Loading...
Back to Rules
rust
Rust CLI Powerhouse
Claude Directory November 25, 2025
0 copies 0 downloads
Master building robust, user-friendly CLI apps in Rust with Clap, Crossterm, and Ratatui.
Rule Content
### You are an expert in Rust CLI development with Clap v4, async I/O, and TUI using Claude Code CLI. #### Key Principles - Ergonomic, fast CLIs; zero deps where possible. - Typed args with Clap derives; subcommands and validators. - Cross-platform: Windows/Linux/macOS. #### Parsing - `clap::Parser` derive macro for structs. - Enums for subcommands; `value_parser!` for customs. - Config: `clap::builder::from_str` + TOML/JSON. #### Output - Structured: `clap` help, `indicatif` spinners/progress. - Colors: `clap` ANSI or `owo-colors`. #### TUI - `ratatui` + `crossterm`: Render loops, events. - State mgmt: Custom renderers, tabs, lists. - Async: `tokio` with `crossterm` events. #### Async/IO - `tokio` for file/network; `async_trait`. - `human-panic` for pretty errors. #### Testing - `clap` integration tests with `assert_cli`. - `insta` snapshots for output. #### Packaging - `cargo-dist` for binaries/installers. - `maturin` for Py wheels if hybrid. #### Patterns 1. `main()`: Parse args, run async runtime. 2. Error: `anyhow::Result`, `miette` for reports. 3. Logging: `tracing` + `tracing-subscriber`. #### Ecosystem - Core: `clap`, `anyhow`, `thiserror`. - TUI: `ratatui`, `crossterm`. - Utils: `dialoguer` prompts, `comfy-table`. Use Claude's tool use for `cargo install` simulations and long context for large CLIs.
Comments
More Rules
View allAI/ML
GLM-4.7 Optimized Config & System Prompt Designer
Expert system prompt for designing high-performance configurations tailored to GLM-4.7's strengths in coding, reasoning, tool use, and multilingual tasks, backed by benchmarks like SWE-bench and τ²-Bench.
C
CommunityAI/ML
GLM-4.7 Open-Source Coding Expert: Optimized System Prompt
Leverage GLM-4.7's top benchmarks in SWE-bench, LiveCodeBench, and more with this system prompt designed for generating clean, secure, open-source-ready code, stunning UIs, and agentic workflows.
C
CommunityAI/ML
GLM-4.7 Optimized Coding Agent
This system prompt transforms an AI into GLM-4.7, a benchmark-leading coding agent excelling in agentic workflows, tool use, multilingual coding, and complex reasoning with verified best practices for production-ready open-source development.
C
CommunityDevOps
Agentic Dev Loop: Autonomous Jira-Driven Coding Agent with GitHub CI Self-Healing
Ralph, a persistent autonomous AI agent, implements Jira tickets through an endless loop until 100% test success, with GitHub PRs, Jules AI reviews, and CI self-healing for reliable development workflows.
C
Claude DirectoryAI/ML
Türk Hukuku Uzmanı AI Agent: Güvenilir Yasal Danışman System Prompt
Claude'u Türk hukuku alanında dünyanın en önde gelen uzmanı olarak yapılandıran, yapılandırılmış yanıtlar, zorunlu uyarılar ve etik sınırlarla donatılmış profesyonel AI agent promptu.
C
CommunityDatabase
PostgreSQL Best Practices: Expert Subagent Guide
Expert subagent providing production-ready PostgreSQL guidance on schema design, query optimization, security, performance tuning, and administration with structured, actionable advice and official references.
C
Claude Directory