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.
npx skills add best-fan/agent-skills --skill frontend-code-reviewgit clone --depth 1 https://github.com/best-fan/agent-skillsWrote 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.
[](https://agentmods.dev/skills/best-fan/agent-skills/frontend-code-review)<a href="https://agentmods.dev/skills/best-fan/agent-skills/frontend-code-review"><img src="https://agentmods.dev/badge/skills/best-fan/agent-skills/frontend-code-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.
<a href="https://agentmods.dev/skills/best-fan/agent-skills/frontend-code-review"><img src="https://agentmods.dev/badge/skills/best-fan/agent-skills/frontend-code-review.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00072 | $0.01455 |
| Opus 5 | $0.00036 | $0.00727 |
| Sonnet 5 | $0.00014 | $0.00291 |
| Haiku 4.5 | $0.00007 | $0.00145 |
Grade A, and why
frontend-code-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 9d 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.
The source is not reproduced here
No licence file
A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.
What ships with it
6 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.
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.
- 9d ago First seen · 172 lines · 72 tokens per session scan A 24b038bc78c5
frontend-code-review is a skill published in the GitHub repository best-fan/agent-skills (2 stars, last pushed 9d ago), with no licence file. It adds 72 tokens to every session and 1,455 once invoked, about $0.0004 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.
Other skills, from other repositories
vue-best-practices
A review checklist for Vue 2 and Vue 3 components, covering component names, prop declarations, TypeScript casts, API styles and complex template expressions.
frontend-code-doctor
A front-end code review procedure for uni-app, Vue 3, React, and TypeScript projects. It checks code for correctness, security, speed, translation support, and accessibility, meaning whether people with disabilities can use it.
standards-to-tooling
Translates project coding standards into concrete linting and formatting tool configurations. Given human-readable conventions (from AGENTS.md, code review guidelines, or team standards), this skill produces ESLint, Prettier, Biome, TypeScript, and other tool configs that enforce them automatically. Covers discovery…
svelte5
Reviews Svelte components for idiomatic patterns, identifies anti-patterns carried over from React/Vue/Svelte 4, and suggests Svelte 5 refactorings. Use when writing or reviewing Svelte components, asking "is this idiomatic", "Svelte way", doing Svelte 5 migration, or encountering smells like: effect assigns state…
Component Test Scaffold (Vue.js)
Generate Vue.js component test skeletons (Vue Test Utils) from specifications.
fe-framework-coding-standard
Standardized frontend implementation guidance for FE Dev using the SRS-declared Frontend-Framework. Use when coding, refactoring, or reviewing UI work in React Native, ReactJS, Flutter, Vue.js, Angular, or Next.js; FE Dev reads docs/SRS.md Frontend-Framework plus §3.4.2/§3.4.5 for multi-app projects, then selects the…