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stone-giant

stone-giant is a plugin for Claude Code from stonegiantstudio/skills. Its manifest loads nothing; the 38 skills it bundles cost 2,706 tokens per session together, scanned A, original, Apache-2.0.

A collection of coding-agent skills for tasks including code quality, package security, build pipelines, testing, user interfaces, databases, authentication, cloud services, PDF creation, writing, and search visibility.

In plain words
What is it for?
Use it for the listed JavaScript, TypeScript, React, database, AWS, testing, documentation, product, and search-related tasks.
Why use it?
It brings guidance for many recurring development and product tasks into one add-on. The input does not specify how each individual skill works.

Plugin for Claude Code

Written for Claude Code: a Claude Code plugin manifest.

not rated 3repo changed 3d ago A scan tokens not measured original Apache-2.0

Good fit Use it for the listed JavaScript, TypeScript, React, database, AWS, testing, documentation, product, and search-related tasks.

Compare 6 plugins from other repositories ↓
Install in Claude Code
/plugin marketplace add stonegiantstudio/skills
/plugin install stone-giant
View source ↗ stonegiantstudio/skills
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.

Clone the repo
git clone --depth 1 https://github.com/stonegiantstudio/skills

Made for: Claude Code.

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 stone-giant

README.md
[![agentmods](https://agentmods.dev/badge/plugins/stonegiantstudio/skills/stone-giant/github.svg)](https://agentmods.dev/plugins/stonegiantstudio/skills/stone-giant)
Your own site
<a href="https://agentmods.dev/plugins/stonegiantstudio/skills/stone-giant"><img src="https://agentmods.dev/badge/plugins/stonegiantstudio/skills/stone-giant/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 stone-giant

Your own site · 80×15
<a href="https://agentmods.dev/plugins/stonegiantstudio/skills/stone-giant"><img src="https://agentmods.dev/badge/plugins/stonegiantstudio/skills/stone-giant.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured The manifest loads nothing itself; its 38 skills cost 2,706 tokens a session between them.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

stone-giant 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.

plugins/stone-giant/.claude-plugin/plugin.json · 39 lines

What it actually says

{
  "name": "stone-giant",
  "description": "Production-tested skills from Stone Giant Studio — artifact scoring, shutdown rituals, npm evaluation and security, CI/CD speedups, safe browser automation for agents, React Router v7, JavaScript/TypeScript, PostgreSQL/SQL Server/Drizzle/Kysely databases, testing, UI design, auth, AWS serverless, PDF generation, technical and marketing writing, product strategy, and search/AI-answer visibility (SEO/GEO/AEO)",
  "version": "1.6.0",
  "author": {
    "name": "Stone Giant Studio",
    "url": "https://stonegiantstudio.com"
  },
  "repository": "https://github.com/stonegiantstudio/skills",
  "license": "Apache-2.0",
  "keywords": [
    "productivity",
    "code-quality",
    "npm",
    "security",
    "developer-tools",
    "ci-cd",
    "react",
    "react-router",
    "typescript",
    "testing",
    "design",
    "database",
    "postgresql",
    "sql-server",
    "aws",
    "pdf",
    "writing",
    "product-management",
    "auth",
    "seo",
    "geo",
    "aeo",
    "browser",
    "playwright",
    "screenshots"
  ]
}
Contents

What it installs

The manifest is a name and a version. 38 skills travel with it, and installing the plugin installs all of them — 2,706 tokens a session between them. Each is measured on its own page, and each can be installed alone.

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 Changed a19f27ac1a32
  2. 25d ago Changed · +3 lines 2f90dbd2493d
  3. 1mo ago First seen · 36 lines scan A 76d2c982ab6e

Subscribe to this mod's changes

stone-giant is a plugin published in the GitHub repository stonegiantstudio/skills (3 stars, last pushed 4d ago), licensed Apache-2.0. Its token cost is not measured: this kind of file is read by the harness, not the model. 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.

Code reviewTDDTesting
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