rtl-review

rtl-review is a skill for Claude Code from vibeic/vibe-ic. It costs 63 tokens per session (3,123 once invoked), scanned A, original, Apache-2.0.

A review workflow for RTL, the code used to describe digital hardware. It checks for lint problems, synthesis hazards, reset and clock issues, correctness risks, port mismatches, and readability concerns.

In plain words
What is it for?
Use it to review Verilog or SystemVerilog, check whether a module can be synthesised, or get feedback before simulation or tape-out.
Why use it?
It finds hardware-code problems before simulation, synthesis, or manufacturing makes them more expensive to fix.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is python3 plugins/vibe-ic/programs/rtl_review_aggregate.py \.

Part of the vibe-ic plugin — 70 skills, 8 commands, 8 agents, 2 hooks, 1 MCP server shipped together

Good fit Use it to review Verilog or SystemVerilog, check whether a module can be synthesised, or get feedback before simulation or tape-out.

Compare 6 skills from other repositories ↓
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/vibeic/vibe-ic
agentmods
npx agentmods add skills/vibeic/vibe-ic/rtl-review

Made for: Claude Code.

Or install vibe-ic, the plugin that ships this one along with the rest of its 70 skills, 8 commands, 8 agents, 2 hooks, 1 MCP server.

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 rtl-review

README.md
[![agentmods](https://agentmods.dev/badge/skills/vibeic/vibe-ic/rtl-review/github.svg)](https://agentmods.dev/skills/vibeic/vibe-ic/rtl-review)
Your own site
<a href="https://agentmods.dev/skills/vibeic/vibe-ic/rtl-review"><img src="https://agentmods.dev/badge/skills/vibeic/vibe-ic/rtl-review/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 rtl-review

Your own site · 80×15
<a href="https://agentmods.dev/skills/vibeic/vibe-ic/rtl-review"><img src="https://agentmods.dev/badge/skills/vibeic/vibe-ic/rtl-review.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,123 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 $0.00063 $0.03123
Opus 5.5 $0.00025 $0.01249
Sonnet 5.5 $0.00013 $0.00625
Haiku 4.5 $0.00006 $0.00312

Measured 5d ago against content hash 1fa6977c5ba9, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

rtl-review 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 5d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (tests/test_compliance.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

vibe-ic-marketplace/plugins/vibe-ic/skills/rtl-review/SKILL.md · 241 lines

How it starts

The opening of the file, as written. The whole thing — 241 lines — stays where its author put it; the contents beside it link to each section on GitHub.

RTL Review (Pattern-A — program-driven, doctrine-compliant v0.1.50)

Doctrine (user, 2026-05-29): 把修法寫進工具,而非寫進 prompt。

The 6-category checklist + 0-10 scoring rubric that previously lived in this skill prose is now in programs/rtl_review_aggregate.py (54 pytest cases pin every category mapping + scoring boundary, and pin that an unreadable producer is REFUSED rather than scored as clean).

You run the program first. Claude is the backstop for residual prose, NOT the rule applicator.

When to use

User shares an RTL file or directory and asks for a review.

Mandatory: run the program FIRST

python3 plugins/vibe-ic/programs/rtl_review_aggregate.py \
    --rtl-dir <dir-of-.v-and-.sv> \
    --top <selected-top> \
    --define <selected-compile-define> \
    --tmp-dir <project-root>/reports/phase2/lint/rtl_review \
    --out-md  <project-root>/reports/phase2/lint/rtl_review.md \
    --out-json <project-root>/reports/phase2/lint/rtl_review.json

Child reports and native elaboration evidence belong outside the complete RTL source inventory. Without --tmp-dir, canonical <project>/phase2/stage1/rtl uses <project>/reports/phase2/lint/rtl_review; a standalone RTL directory uses its sibling <rtl-dir>.review. An explicit --tmp-dir remains honored.

Existing <rtl-dir>/.review evidence is left unchanged. It remains extra inventory until explicitly archived outside RTL; do not ignore hidden files or delete reports to obtain admission. Any approved relocation must preserve the original bytes, hashes and receipts in that archive before moving the files.

Pass the frontend's selected top and complete ordered RTL closure (repeat --rtl-file when the directory also contains testbenches or include hubs), compile defines (--define), integer top overrides (--parameter) and include directories (--include-dir). Omit --define for an explicitly empty define set. These describe the selected configuration; AI does not guess active generate branches. The hygiene consumer elaborates fresh native Yosys evidence in this invocation and retains its input hashes, log and JSON in a new native-elaboration-* directory. Without a selected top, review remains lexical and conditional-driver uncertainty still blocks. Native failure does not erase findings or the missing-auditor disclosure.

Read the full file on GitHub · 241 lines

Files

What ships with it

3 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.

  1. 5d ago Changed · +4 lines 1fa6977c5ba9
  2. 6d ago Changed · +32 lines b1476f88e5f0
  3. 13d ago Changed · +12 lines b623c2f6b559
  4. 14d ago Changed · +18 lines c4132905ad7f
  5. 25d ago Changed · +19 lines 90b601b245b4
  6. 1mo ago Changed · +13 lines e606f619b809
  7. 1mo ago First seen · 143 lines · 63 tokens per session scan A c16530a8d35d

Subscribe to this mod's changes

rtl-review is a skill published in the GitHub repository vibeic/vibe-ic (28 stars, last pushed today), licensed Apache-2.0. It adds 63 tokens to every session and 3,123 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-09-03.

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