What is rust-sota-arsenal?

A reference guide to Rust tools for refactoring, profiling, benchmarking, testing, and SIMD optimisation. SIMD means using CPU instructions that process several values at once.

Use it when improving Rust code structure or measuring and tuning its speed, including benchmark, profiling, test, and SIMD work.

It addresses the problem of stale knowledge about fast-changing Rust libraries and requires checking current package versions and compatibility before making upgrade recommendations.

rust-sota-arsenal — Skill for Claude Code by terrylica

Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo

git clone --depth 1 https://github.com/terrylica/cc-skills

agentmods

npx agentmods add skills/terrylica/cc-skills/rust-sota-arsenal

Made for: Claude Code.

Or install rust-tools, the plugin that ships this one along with the rest of its 2 skills.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/terrylica/cc-skills/rust-sota-arsenal/github.svg)](https://agentmods.dev/skills/terrylica/cc-skills/rust-sota-arsenal)

Your own site

<a href="https://agentmods.dev/skills/terrylica/cc-skills/rust-sota-arsenal"><img src="https://agentmods.dev/badge/skills/terrylica/cc-skills/rust-sota-arsenal/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/terrylica/cc-skills/rust-sota-arsenal"><img src="https://agentmods.dev/badge/skills/terrylica/cc-skills/rust-sota-arsenal.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 34 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 4,237 The whole file, excluding the scripts and references it only reads on demand.

Security scan B 2 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits

NVIDIA SkillSpector warn 7 Sept 2026

SkillSpector: 5 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

high Tool Misuse · line 331
Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).

Fix: Validate all tool parameters against an allowlist. Reject dangerous parameter values (shell=True, --force, -rf /) and use safe defaults.
high Tool Misuse · line 346
Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).

Fix: Validate all tool parameters against an allowlist. Reject dangerous parameter values (shell=True, --force, -rf /) and use safe defaults.
medium Data Exfiltration · line 40
Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
medium Data Exfiltration · line 40
Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
medium Privilege Escalation · line 369
Commands invoke sudo or root privileges. Verify this elevated access is necessary and justified.

Fix: Avoid sudo/root unless strictly required. Prefer least-privilege patterns. If elevation is needed, document the justification and scope.

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.

Model	Per session	Once invoked
Fable 5.1	$0.00034	$0.04237
Opus 5	$0.00017	$0.02119
Sonnet 5	$0.00007	$0.00847
Haiku 4.5	$0.00003	$0.00424

Measured 7d ago against content hash e6cd1557e7a7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade B, and why

rust-sota-arsenal scanned grade B with 2 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 7d 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.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

| `samply` permission denied | macOS: `sudo samply record` or disable SIP for dtrace |

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s -X POST https://api.firecrawl.dev/v2/scrape \

plugins/rust-tools/skills/rust-sota-arsenal/SKILL.md · 388 lines

How it starts

The opening of the file, as written. The whole thing — 388 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Rust SOTA Arsenal

State-of-the-art Rust tooling knowledge for refactoring, profiling, benchmarking, testing, and SIMD optimization — tools that LLMs often lack deep training data on.

Self-Evolving Skill: This skill improves through use. If instructions are wrong, parameters drifted, or a workaround was needed — fix this file immediately, don't defer. Only update for real, reproducible issues.

CRITICAL: Web-Verify Before Acting

The reference docs in this skill are a starting point, not ground truth. Tool versions, compatibility matrices, and API surfaces evolve faster than static docs. Before recommending specific versions or making upgrade decisions:

Check crates.io for latest versions: WebFetch the crates.io API to get current version info

WebFetch: https://crates.io/api/v1/crates/{crate_name}
Prompt: "What is the latest version? List recent versions."

Check dependency compatibility: When upgrading (e.g., PyO3), verify downstream crate compatibility

WebFetch: https://crates.io/api/v1/crates/{crate_name}/{version}/dependencies
Prompt: "What version of {dependency} does this require?"

Search for breaking changes: WebSearch for changelogs and migration guides
```
WebSearch: "{crate_name} latest version changelog migration"
```

Fallback: Firecrawl scrape (if WebFetch fails or returns incomplete data — e.g., JS-heavy pages, rate limits):

curl -s -X POST https://api.firecrawl.dev/v2/scrape \
  -H "Content-Type: application/json" \
  -d '{"url": "https://crates.io/crates/{crate_name}", "formats": ["markdown"], "waitFor": 0}' \
  | jq -r '.data.markdown'

Public API — no key, no tailnet. See /devops-tools:firecrawl-research-patterns for full API reference.

Why: The opendeviationbar-py session discovered PyO3 was at 0.28.2 (not 0.28) and pyo3-arrow at 0.17.0 only by web-searching — static docs would have led to wrong upgrade decisions.

Read the full file on GitHub · 388 lines

Files

What ships with it

13 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

7d ago First seen · 388 lines · 34 tokens per session scan B e6cd1557e7a7

Subscribe to this mod's changes

rust-sota-arsenal is a skill published in the GitHub repository terrylica/cc-skills (73 stars, last pushed today), licensed MIT. It adds 34 tokens to every session and 4,237 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it B with 2 findings (asks for root, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-05.

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rust-sota-arsenal