saas-starter

Velobase-harness: Launch AI SaaS Fast

Name: Velobase-harness: Launch AI SaaS Fast
Author: velobase

Get a head start with a free open-source SaaS boilerplate for AI apps.

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

601 stars81 forksTypeScriptGuide quality 9/10 · reviewed Jun 6Updated 9/15/2026100% free · open source

What it is

Use VelobaseHarness to launch an AI-powered SaaS (Software as a Service) fast.

Real use case example

"A founder wants to create a subscription-based AI-powered marketing platform. First, they install VelobaseHarness and configure billing and attribution features. Then, they connect it to Stripe for payment processing. Finally, they deploy the app on a server, set up affiliate tracking, and start accepting customers. With VelobaseHarness, they've saved weeks of development time and have a solid foundation for their SaaS app."

Best insideClaude Desktop

When to use it

•You want to launch a SaaS product with a scalable, usage-based pricing model.
•You need to integrate Stripe payment processing into your AI-powered application.
•You're looking for a fast and easy way to add affiliate and attribution tracking to your app.

Ready-to-paste prompt

npx create-t3-app@latest my-saas-app --template https://github.com/velobase/velobase-harness

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/velobase-harness && curl -fsSL https://workflowstacks.com/api/skills/velobase-harness/claude-skill -o ~/.claude/skills/velobase-harness/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 Velobase-harness: Launch AI SaaS Fast works

Codeflow

Free to inspect

Velobase-harness: Launch AI SaaS Fast is a very large TypeScript project (~86k lines across 952 code files, plus 18 test files). It is a full software project: use it through its install path rather than reading it end to end. Last commit this month, MIT license, has a test suite.

Size

Very large codebase

~86k lines · 952 code files · days to read — use, don't read

Setup

Developer setup

A real software project. Use it via its install path; don't expect to read it all.

Runs on

Node.js · Docker

Needs API keys (.env)

TypeScript 96%JavaScript 2%CSS 1%

Where to start reading

1
README.md
Start here — what it does and how to install it
2
AGENTS.md
The instructions the AI actually follows
3
package.json
Dependencies and the commands it exposes
4
.env.example
The API keys and settings you must provide
5
src/analytics/index.ts
Inside src/ — the main logic begins here

What's in each folder

src/Core code — the actual logic808 files

packages/Sub-packages / plugins95 files

apps/Sub-packages / plugins42 files

services/Backend / API13 files

docs/Documentation75 files

prisma/Folder69 files

scripts/Helper scripts17 files

deploy/Deployment / infrastructure9 files

READMEHas testsDocumentedCI checksDocker readyMIT 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/velobase-harness && curl -fsSL https://workflowstacks.com/api/skills/velobase-harness/claude-skill -o ~/.claude/skills/velobase-harness/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

velobase

Language

TypeScript