setup-stack

setup-stack is a skill for Claude Code from evgenii-studitskikh/Claude-Code-SaaS-Studio. It costs 44 tokens per session (597 once invoked), scanned A, original, MIT.

A project starter for a SaaS web application using Next.js, TypeScript, Tailwind CSS, shadcn/ui, Supabase, and Stripe. It prepares the project structure, dependencies, and example environment variables.

In plain words
What is it for?
Use it to check prerequisites, create the application scaffold, install the listed packages, and create an .env.example file with the required keys.
Why use it?
It avoids manually assembling the same framework, database, payment, and styling setup for a new application. Commands and generated files are shown for approval before anything runs.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: model in frontmatter; names the AskUserQuestion tool.

Good fit Use it to check prerequisites, create the application scaffold, install the listed packages, and create an .env.example file with the required keys.

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Install with agentmods
npx agentmods add skills/evgenii-studitskikh/claude-code-saas-studio/setup-stack
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.

Any agent
npx skills add evgenii-studitskikh/Claude-Code-SaaS-Studio --skill setup-stack
Clone the repo
git clone --depth 1 https://github.com/evgenii-studitskikh/Claude-Code-SaaS-Studio

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 setup-stack

README.md
[![agentmods](https://agentmods.dev/badge/skills/evgenii-studitskikh/claude-code-saas-studio/setup-stack/github.svg)](https://agentmods.dev/skills/evgenii-studitskikh/claude-code-saas-studio/setup-stack)
Your own site
<a href="https://agentmods.dev/skills/evgenii-studitskikh/claude-code-saas-studio/setup-stack"><img src="https://agentmods.dev/badge/skills/evgenii-studitskikh/claude-code-saas-studio/setup-stack/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 setup-stack

Your own site · 80×15
<a href="https://agentmods.dev/skills/evgenii-studitskikh/claude-code-saas-studio/setup-stack"><img src="https://agentmods.dev/badge/skills/evgenii-studitskikh/claude-code-saas-studio/setup-stack.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 44 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 597 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.
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 $0.00044 $0.00597
Opus 5.5 $0.00018 $0.00239
Sonnet 5.5 $0.00009 $0.00119
Haiku 4.5 $0.00004 $0.00060

Measured 1mo ago against content hash 68384dbfe900, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

setup-stack 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 1mo 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.

.claude/skills/setup-stack/SKILL.md · 23 lines

How it starts

The opening of the file, as written. The whole thing — 23 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Bootstrap the canonical SaaS Studio stack from scratch: Next.js App Router, TypeScript, Tailwind CSS, shadcn/ui, Supabase client, and Stripe SDK. Non-autonomous: every command and every generated file is shown to the user for approval before execution — nothing runs without sign-off.

Phases

  1. Confirm prerequisites — check that Node.js >= 18, npm/pnpm, and the Supabase CLI are available. Report what is found. If the project directory already contains a package.json, warn the user and ask whether to continue or abort.
  2. Present the scaffold plan — show the exact sequence of commands that will be run: npx create-next-app@latest with --typescript --tailwind --app --eslint, followed by npx shadcn@latest init, then npm install @supabase/ssr @supabase/supabase-js stripe @stripe/stripe-js. List the commands verbatim. Do not run until the user approves.
  3. Run scaffold — execute the approved commands with Bash. Stream output; stop and surface any error immediately rather than continuing past a failure.
  4. Write .env.example — create .env.example at the project root with all required keys: NEXT_PUBLIC_SUPABASE_URL, NEXT_PUBLIC_SUPABASE_ANON_KEY, SUPABASE_SERVICE_ROLE_KEY, STRIPE_SECRET_KEY, STRIPE_WEBHOOK_SECRET, NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY, NEXT_PUBLIC_APP_URL. Values must be placeholders (e.g., your-supabase-url), never real secrets. Show the file contents for approval before writing.
  5. Verify the scaffold — run tsc --noEmit to confirm TypeScript compiles. Report the result. If it fails, diagnose and propose a fix before proceeding. Honor the review intensity: under full, walk through each scaffold decision for sign-off; under lean, get a single confirmation before running commands; under solo, proceed and summarize after.
  6. Next step — point to /design-architecture or, if the PRD and architecture docs are already approved, to /design-schema.

Output

Project scaffold in the current directory + .env.example. Runs no command and writes no file without explicit approval.

Read the full file on GitHub · 23 lines

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. 1mo ago First seen · 23 lines · 44 tokens per session scan A 68384dbfe900

Subscribe to this mod's changes

setup-stack is a skill published in the GitHub repository evgenii-studitskikh/Claude-Code-SaaS-Studio (2 stars, last pushed 4mo ago), licensed MIT. It adds 44 tokens to every session and 597 once invoked, about $0.0002 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 2026-08-31.

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