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Guide for writing idiomatic Rust code based on Apollo GraphQL's best practices handbook. Use this skill when: (1) writing new Rust code or functions, (2) reviewing or refactoring existing Rust code, (3) deciding between borrowing vs cloning or ownership patterns, (4) implementing error handling with Result types, (5) optimizing Rust code for performance, (6) writing tests or documentation for Rust projects.
Claude Skills are markdown + scripts loaded into Claude Code; scanned with the same pipeline.
We found this by crawling public sources and nobody has attested to it. That is how most of the registry gets here, and it is not a mark against the artifact — it only means no authenticated act of publication is on record. An artifact can be the vendor's own and still appear here.
3 critical findings reported by cisco-skill-scanner, 1 of them in the installed artifact. The composite score alone does not reflect this — read the per-scanner reports below.
This artifact ships from 2 sources and their verdicts differ. The worst is github (Flagged). Installing from a cleaner source does not mean the others are safe — check the source you actually install from.
github: https://github.com/centauryai/aicli-ultimate, 79 findings
Claude Skills install to a single target, no runtime picker.
nerlo install -- 'centauryai/aicli-ultimate (rust-best-practices)'
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- 'centauryai/aicli-ultimate (rust-best-practices)' ~/.claude/skills/
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
5 of 11 scanners examined this package. The rest do not apply to it — language, ecosystem and packaging decide which analyzers can say anything, and a scanner that cannot examine an artifact reports nothing rather than passing it.
v2.0.11
53 findings · 12.3s
v0.3.74
11 findings · 2.7s
v0.1.0
0 findings · 4.3s
v0.1.0
5 findings · 4.3s
v0.1.0
4 findings · 11.1s
v1.4.0
None of the entry points this scanner reads were found in this artifact. What each scanner covers
0 findings · 0.3s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.1s
No report in this scan: govulncheck, osv-scanner, trivy, trivy_image.
1 scan on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 20, 2026 | Scan Halted | — | agentshield ·n/a: not applicablecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source: complete | rejected |
Findings in files this artifact installs stand as reported; a model re-read the rest and said which ones it believes are false positives. This is a second opinion published beside the evidence, not a correction to it: the per-scanner reports above are unchanged, every dismissed finding is still listed there at its original severity, and the score and the Flagged badge are computed from those raw severities alone. Nothing below moved them.
Out of 73 findings across every scanner that examined this package. None of the 3 findings rated critical by their scanner were dismissed.
Not reviewed is not the same as clean. Those 62 findings stand exactly as their scanners reported them, at full severity, as they would have without this review.
Two keys had to turn. The model had to name a reason from a fixed list of six, and a deterministic check of ours — over which files this artifact actually installs — had to independently agree. Anything it could not corroborate is in “not reviewed” above, at full severity.
4 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: SOCIAL_ENG_VAGUE_DESCRIPTION, PIPELINE_TAINT_FLOW, MANIFEST_MISSING_LICENSE · Files: /repo/docs/SKILL.md, /repo/docs/orquestrator-agent-setup.md · reported by cisco-skill-scanner
The model could have called any of these a false positive and did not.
7 HIDDEN_DATA_FILE
Files: /repo/.agents/plugins/marketplace.json, /repo/plugins/caveman/.codex-plugin/plugin.json, /repo/plugins/github-lsp/.lsp.json and 3 more · reported by cisco-skill-scanner
39 The model's answer could not be read.
Rules: COMPOUND_FETCH_EXECUTE, AAK-MARKETPLACE-001, opt.nerlo-rules.nerlo-install-pipe-to-shell and 12 more · Files: /repo/docs/SKILL.md, /repo/docs/orquestrator-agent-setup.md, /repo/SKILL.md and 20 more · reported by cisco-skill-scanner, agent-audit-kit, nerlo-install-instruction and 1 more
23 The model called these false positives and our own check did not agree, so the dismissal was refused.
Rules: PIPELINE_TAINT_FLOW, MANIFEST_MISSING_LICENSE · Files: /repo/README.md, /repo/plugins/ponytail/skills/ponytail-audit/SKILL.md, /repo/plugins/ponytail/skills/ponytail-gain/SKILL.md and 20 more · reported by cisco-skill-scanner
No summary was published. A summary was drafted and rejected: it pitched the concern lower than our own count of what is left standing allows.