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rust-conventions

rust-conventions is a skill for Claude Code, Codex from Goldziher/ai-rulez. It costs 53 tokens per session (728 once invoked), scanned A, original, MIT.

A set of Rust coding rules for the 2024 edition, including formatting, error handling, asynchronous code, naming, benchmarks, and security checks. Rust is a programming language focused on speed and memory safety.

In plain words
What is it for?
Use it when building or reviewing Rust libraries and applications, especially those using Tokio, multiple crates, tests, benchmarks, or dependency security scans.
Why use it?
It gives developers consistent decisions for writing and reviewing Rust code, helping avoid common errors and keeping projects easier to maintain.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

not rated 141repo 2d ago A scan SkillSpector: pass 53 tokens original MIT

Good fit Use it when building or reviewing Rust libraries and applications, especially those using Tokio, multiple crates, tests, benchmarks, or dependency security scans.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/goldziher/ai-rulez/rust-conventions
View source ↗ Goldziher/ai-rulez
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add Goldziher/ai-rulez --skill rust-conventions
Clone the repo
git clone --depth 1 https://github.com/Goldziher/ai-rulez

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for rust-conventions

README.md
[![agentmods](https://agentmods.dev/badge/skills/goldziher/ai-rulez/rust-conventions/github.svg)](https://agentmods.dev/skills/goldziher/ai-rulez/rust-conventions)
Your own site
<a href="https://agentmods.dev/skills/goldziher/ai-rulez/rust-conventions"><img src="https://agentmods.dev/badge/skills/goldziher/ai-rulez/rust-conventions/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for rust-conventions

Your own site · 80×15
<a href="https://agentmods.dev/skills/goldziher/ai-rulez/rust-conventions"><img src="https://agentmods.dev/badge/skills/goldziher/ai-rulez/rust-conventions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 53 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 728 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00053 $0.00728
Opus 5 $0.00026 $0.00364
Sonnet 5 $0.00011 $0.00146
Haiku 4.5 $0.00005 $0.00073

Measured 10d ago against content hash ad65de9a5711, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

rust-conventions scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

internal/builtins/languages/rust/skills/rust-conventions/SKILL.md · 26 lines

What it actually says

  • Rust 2024 edition, cargo fmt + clippy -D warnings, zero warnings policy.
  • Result<T, E> with a derive-based error crate (e.g., thiserror) for library errors, a context-adding error crate (e.g., anyhow) for applications. ? for propagation — never .unwrap() in library code.
  • Minimize unsafe — every block needs // SAFETY: comment explaining invariants.
  • Prefer &str over String in params, Cow<'_, str> for conditional ownership, Arc for shared ownership.
  • impl Trait in argument position for static dispatch, dyn Trait for dynamic dispatch when heterogeneous collections needed.
  • Small, focused modules. Use pub(crate) for internal visibility. Workspace inheritance for multi-crate repos.
  • #[cfg(test)] for unit tests, tests/ for integration, a coverage tool (e.g., cargo-llvm-cov) for coverage.
  • Benchmarking: a statistical benchmark harness (e.g., criterion) for microbenchmarks, profile with a flamegraph tool (e.g., cargo flamegraph).
  • Async: tokio runtime, 'static + Send + Sync bounds, tokio::spawn for concurrency.
  • Security: cargo audit for CVE scanning, cargo deny for license and advisory policies.
  • Dependencies: pin versions, commit Cargo.lock, prefer well-maintained crates.
  • Structured logging (spans and events, e.g., the tracing crate) — not println!.
  • API naming: follow as_/to_/into_ conventions for conversions, iter()/iter_mut()/into_iter() for iterators. Getters are field() not get_field(). See Rust API Guidelines.
  • Eagerly implement common traits: Clone, Debug, Default, Eq, PartialEq, Hash, Send, Sync. Use From/AsRef/AsMut for conversions, FromIterator/Extend for collections.
  • Type safety: newtypes for static distinctions, builder pattern for complex construction, bitflags over enums for flag sets. Avoid bool params — use custom types or enums.
  • Constructors: new() as static inherent methods. No out-parameters. Only smart pointers implement Deref/DerefMut.
  • API flexibility: minimize parameter assumptions via generics, make traits object-safe when trait objects may be useful. Let callers decide where to copy and place data.
  • Rustdoc: all public items have doc examples using ? (not unwrap). Document errors, panics, and safety invariants. Hyperlink related items.
  • Future-proofing: seal traits to prevent downstream implementations, keep struct fields private, don't duplicate derived trait bounds on structs. See Rust Design Patterns.
  • Anti-patterns: unwrap(), unguarded unsafe, panics in libraries, Vec/HashMap across FFI.
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 10d ago First seen · 26 lines · 53 tokens per session scan A ad65de9a5711

Subscribe to this mod's changes

rust-conventions is a skill published in the GitHub repository Goldziher/ai-rulez (141 stars, last pushed 2d ago), licensed MIT. It adds 53 tokens to every session and 728 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Backend and APIsCode GenerationGoSecurityWriting and docsaiclidocumentationyaml
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