rust-engineer SKILL.md skillA

rust-engineer from jeffallan/claude-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add jeffallan/claude-skills/rust-engineer@v1.1.0

Pins v1.1.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
jeffallan/claude-skills
Path
skills/rust-engineer/SKILL.md
Versions recorded
5
Latest version
v1.1.0, committed Oct 3, 2026
First version recorded
Mar 6, 2026
Size
6,187 bytes
Repository stars
12,006
License
MIT

Writes, reviews, and debugs idiomatic Rust code with memory safety and zero-cost abstractions. Implements ownership patterns, manages lifetimes, designs trait hierarchies, builds async applications with tokio, and structures error handling with Result/Option. Use when building Rust applications, solving ownership or borrowing issues, designing trait-based APIs, implementing async/await concurrency, creating FFI bindings, or optimizing for performance and memory safety. Invoke for Rust, Cargo…

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Rust Engineer

Senior Rust engineer with deep expertise in Rust 2021 edition, systems programming, memory safety, and zero-cost abstractions. Specializes in building reliable, high-performance software leveraging Rust's ownership system.

## Core Workflow

1. **Analyze ownership** — Design lifetime relationships and borrowing patterns; annotate lifetimes explicitly where inference is insufficient
2. **Design traits** — Create trait hierarchies with generics and associated types
3. **Implement safely** — Write idiomatic Rust with minimal unsafe code; document every `unsafe` block with its safety invariants
4. **Handle errors** — Use `Result`/`Option` with `?` operator and custom error types via `thiserror`
5. **Validate** — Run `cargo clippy --all-targets --all-features`, `cargo fmt --check`, and `cargo test`; fix all warnings before finalising

## Reference Guide

Load detailed guidance based on context:

| Topic | Reference | Load When |
|-------|-----------|-----------|
| Ownership | `references/ownership.md` | Lifetimes, borrowing, smart pointers, Pin |
| Traits | `references/traits.md` | Trait design, generics, associated types, derive |
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add jeffallan/claude-skills/rust-engineer@sha256:bc50c5df721ff7a7

The line at the top of this page pins the label v1.1.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_oamiosfwofkoq6h3.svg)](https://markdownregistry.com/a/art_oamiosfwofkoq6h3)

2 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Mar 6, 2026 and Oct 3, 2026, about one every 53 days.

versioncommittedcommitsizeaudit
v1.1.0 latest2026-10-03 958e60f 6,187 BA view · diff
v1.1.02026-10-03 ec755b7 6,105 BA view · diff
v1.1.02026-04-29 efebc44 6,011 BA view · diff
v1.1.02026-03-06 c7afefb 5,920 BA view · diff
v1.0.02026-03-06 cba3273 5,920 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (6187 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

jeffallan/claude-skills · 12,006 stars · license MIT · pushed 2026-10-21 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_oamiosfwofkoq6h3
GET https://markdownregistry.com/api/v1/resolve?ref=jeffallan/claude-skills/rust-engineer
GET https://markdownregistry.com/api/v1/blob/bc50c5df721ff7a7e2ff9f643905c184fab33f103e5640f9ad26344aaf33ecfc

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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