saas-starter

AI-Fullstack-SaaS-Boilerplate: Fast SaaS Setup

Name: AI-Fullstack-SaaS-Boilerplate: Fast SaaS Setup
Author: alan345

Jumpstart your SaaS with a fullstack boilerplate, ideal for startup founders, backed by 1.4k+ GitHub stars

From the repo · “Fullstack SaaS Boilerplate built with tRPC, Fastify and React”

intermediate⏱ 1-2 hours💵 Free (self-hosted)

1,434 stars+2★ this week223 forksTypeScriptGuide quality 8/10 · reviewed Jun 6Updated 10/20/2026100% free · open source

What it is

Create and launch a full-stack SaaS product quickly with a pre-built template.

Real use case example

"A founder needs to build a custom task management tool to manage their team's projects. They start with the full-stack SaaS boilerplate, which they customize by adding features like user authentication, database integration, and a React frontend. After a few hours of configuration, the founder launches their custom tool to their team, boosting collaboration and productivity."

Best insideClaude DesktopCursor

When to use it

•You're building a new SaaS product and want to quickly set up a scalable architecture.
•You need to integrate AI capabilities into your existing SaaS application.
•You want to prototype a SaaS idea and test it with a minimal viable product (MVP).

Ready-to-paste prompt

npx create-treact-app my-saas-app --template https://github.com/alan345/AI-Fullstack-SaaS-Boilerplate

Saves to your device

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🛠️ Technical setup

Expect 20–40 minutes in a terminal — or let your AI agent drive it.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/ai-fullstack-saas-boilerplate && curl -fsSL https://workflowstacks.com/api/skills/ai-fullstack-saas-boilerplate/claude-skill -o ~/.claude/skills/ai-fullstack-saas-boilerplate/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How AI-Fullstack-SaaS-Boilerplate: Fast SaaS Setup works

Codeflow

Free to inspect

AI-Fullstack-SaaS-Boilerplate: Fast SaaS Setup is a medium TypeScript project (~3.6k lines across 76 code files, plus 1 test files). Expect some technical setup — comfortable with a terminal, or ask a developer. Last commit this month, MIT license, has a test suite.

Size

Medium codebase

~3.6k lines · 76 code files · 30 min skim

Setup

Some technical setup

Comfortable with a terminal? 20–40 min. Otherwise ask a dev.

Runs on

Node.js

No API keys detected

TypeScript 97%CSS 2%HTML 1%

Where to start reading

1
README.md
Start here — what it does and how to install it
2
package.json
Dependencies and the commands it exposes

What's in each folder

client/Frontend / UI64 files

server/Backend / API16 files

packages/Sub-packages / plugins12 files

tests-e2e/Folder5 files

_layouts/Folder1 files

.github/CI / automation (GitHub Actions)1 files

READMEHas testsThin docsNo CIMIT licenseUpdated this month

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🛠️ Technical setup

Expect 20–40 minutes in a terminal — or let your AI agent drive it.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/ai-fullstack-saas-boilerplate && curl -fsSL https://workflowstacks.com/api/skills/ai-fullstack-saas-boilerplate/claude-skill -o ~/.claude/skills/ai-fullstack-saas-boilerplate/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

Quick Actions

Details

Creator

alan345

Language

TypeScript

Do this with a working workflow

Pages we wrote and tested that put a skill like this to work — importable n8n templates, outcome guides and Claude Desktop configs.

MCP config

PostgreSQL MCP config

Let Claude run read-only queries against your Postgres database.

Outcome guide

Write bulk product descriptions for your Shopify store

Export your products to a Google Sheet, run the workflow once, and it fills in a description for every product without one — in your chosen tone. Import the results back into Shopify.