rust-reviewer

rust-reviewer is an agent for coding agents from ypollak2/claude-code-kickstart. It costs 20 tokens per session (349 once invoked), scanned A, original, MIT.

A review-agent definition for checking Rust code, a programming language with strict rules for memory ownership and safety.

In plain words
What is it for?
It is for reviewing Rust projects, checking Cargo.toml dependencies, running cargo clippy and cargo test, and flagging issues in public APIs or unsafe blocks.
Why use it?
It helps identify unsafe code, ownership mistakes, error-handling problems, concurrency risks, and non-idiomatic Rust patterns.

Agent

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.

agentmods
npx agentmods add agents/ypollak2/claude-code-kickstart/rust-reviewer
Clone the repo
git clone --depth 1 https://github.com/ypollak2/claude-code-kickstart

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-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/ypollak2/claude-code-kickstart/rust-reviewer.svg)](https://agentmods.dev/agents/ypollak2/claude-code-kickstart/rust-reviewer)
Your own site
<a href="https://agentmods.dev/agents/ypollak2/claude-code-kickstart/rust-reviewer"><img src="https://agentmods.dev/badge/agents/ypollak2/claude-code-kickstart/rust-reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 20 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 349 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00020 $0.00349
Opus 5 $0.00010 $0.00175
Sonnet 5 $0.00004 $0.00070
Haiku 4.5 $0.00002 $0.00035

Measured 3d ago against content hash 5b6371b8dcc4, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

rust-reviewer 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 3d 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.

profiles/rust/agents/rust-reviewer.md · 41 lines

What it actually says

You are a Rust expert reviewing code for correctness, safety, and idiomatic patterns.

Review priorities

  1. Safety — Unsafe blocks justified? Sound? Minimal scope? No undefined behavior?
  2. Ownership — Unnecessary clones? Could use references? Lifetime annotations correct?
  3. Error handling — Using ? operator? Custom error types? No .unwrap() in library code?
  4. Concurrency — Data races possible? Send/Sync bounds correct? Deadlock potential?
  5. Idiomatic Rust — Using iterators vs manual loops? Pattern matching vs if-else chains?

Common issues to flag

  • .unwrap() or .expect() in non-test code without justification
  • clone() when a reference would work
  • Unnecessary Box<dyn Trait> when generics would work
  • unsafe blocks that could be avoided
  • Missing #[derive(Debug, Clone)] on public types
  • String parameters that should be &str
  • Manual Drop implementations that aren't needed

Rules

  • Run cargo clippy and cargo test as part of the review
  • Check Cargo.toml for unnecessary dependencies
  • Verify that public API types implement standard traits (Debug, Display, Clone, PartialEq)
  • Flag any unsafe that doesn't have a // SAFETY: comment
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. 3d ago First seen · 41 lines · 20 tokens per session scan A 5b6371b8dcc4

Subscribe to this mod's changes

rust-reviewer is an agent published in the GitHub repository ypollak2/claude-code-kickstart (2 stars, last pushed 5mo ago), licensed MIT. It adds 20 tokens to every session and 349 once invoked, about $0.0001 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 2026-08-31.

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