Coding Guidelines

OrganizationPopular

actionbook

coding-guidelines

Use when asking about Rust code style or best practices. Keywords: naming, formatting, comment, clippy, rustfmt, lint, code style, best practice, P.NAM, G.FMT, code review, naming convention, variable naming, function naming, type naming, 命名规范, 代码风格, 格式化, 最佳实践, 代码审查, 怎么命名

Overview

Publisher	actionbook
Repository	`rust-skills`
Skill name	`coding-guidelines`
Stars	1.5K
Forks	114
Bundled files	2
Links	Skill source Repository

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
2 bundled files
Scripts, templates, and references the model can read while it works. Files are read-only and never executed.
Open source
Published by actionbook on GitHub. Read the source before you install it.

Installation

Install the Coding Guidelines AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/actionbook/rust-skills/tree/main/skills/coding-guidelines
Enable the skill in any chat where you want it available.

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/actionbook/rust-skills.git /tmp/rust-skills
mkdir -p .claude/skills
cp -r /tmp/rust-skills/skills/coding-guidelines .claude/skills/coding-guidelines

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Coding Guidelines in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Coding Guidelines on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Coding Guidelines is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Rust Coding Guidelines (50 Core Rules)

Naming (Rust-Specific)

Rule	Guideline
No `get_` prefix	`fn name()` not `fn get_name()`
Iterator convention	`iter()` / `iter_mut()` / `into_iter()`
Conversion naming	`as_` (cheap &), `to_` (expensive), `into_` (ownership)
Static var prefix	`G_CONFIG` for `static`, no prefix for `const`

Data Types

Rule	Guideline
Use newtypes	`struct Email(String)` for domain semantics
Prefer slice patterns	`if let [first, .., last] = slice`
Pre-allocate	`Vec::with_capacity()`, `String::with_capacity()`
Avoid Vec abuse	Use arrays for fixed sizes

Strings

Rule	Guideline
Prefer bytes	`s.bytes()` over `s.chars()` when ASCII
Use `Cow<str>`	When might modify borrowed data
Use `format!`	Over string concatenation with `+`
Avoid nested iteration	`contains()` on string is O(n*m)

Error Handling

Rule	Guideline
Use `?` propagation	Not `try!()` macro
`expect()` over `unwrap()`	When value guaranteed
Assertions for invariants	`assert!` at function entry

Memory

Rule	Guideline
Meaningful lifetimes	`'src`, `'ctx` not just `'a`
`try_borrow()` for RefCell	Avoid panic
Shadowing for transformation	`let x = x.parse()?`

Concurrency

Rule	Guideline
Identify lock ordering	Prevent deadlocks
Atomics for primitives	Not Mutex for bool/usize
Choose memory order carefully	Relaxed/Acquire/Release/SeqCst

Async

Rule	Guideline
Sync for CPU-bound	Async is for I/O
Don't hold locks across await	Use scoped guards

Macros

Rule	Guideline
Avoid unless necessary	Prefer functions/generics
Follow Rust syntax	Macro input should look like Rust

Deprecated → Better

Deprecated	Better	Since
`lazy_static!`	`std::sync::OnceLock`	1.70
`once_cell::Lazy`	`std::sync::LazyLock`	1.80
`std::sync::mpsc`	`crossbeam::channel`	-
`std::sync::Mutex`	`parking_lot::Mutex`	-
`failure`/`error-chain`	`thiserror`/`anyhow`	-
`try!()`	`?` operator	2018

Quick Reference


Naming: snake_case (fn/var), CamelCase (type), SCREAMING_CASE (const)
Format: rustfmt (just use it)
Docs: /// for public items, //! for module docs
Lint: #![warn(clippy::all)]

Claude knows Rust conventions well. These are the non-obvious Rust-specific rules.

Bundled files

The model reads these on demand while the skill is loaded. They are exposed as readable files and are never executed.

clippy-lints/_index.md1 KB
index/rules-index.md1 KB

Frequently asked questions

What does the Coding Guidelines AI skill do?

Why use Coding Guidelines on TypingMind?

Because you install it once and use it with any model. Coding Guidelines is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Coding Guidelines in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/actionbook/rust-skills/tree/main/skills/coding-guidelines. TypingMind reads its SKILL.md and bundles its files and installs it as a skill you can enable per chat.

Which AI models can use Coding Guidelines?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Coding Guidelines?

As many as you like. As long as a model supports skills, you can use Coding Guidelines with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Coding Guidelines AI skill free?

It is published on GitHub by actionbook. Check the repository for licensing terms. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

Rust Coding Guidelines (50 Core Rules)

Naming (Rust-Specific)

Data Types

Strings

Error Handling

Memory

Concurrency

Async

Macros

Deprecated → Better

Quick Reference

Bundled files

Frequently asked questions

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