AI-native builder operating system
Follow the course, install the skill, run the workflow. Build Lean SaaS turns practical AI-native experiments into reusable systems for founders and builders.
Need this wired into your own stack? Pair with DevelopJoy.
Use a sequenced implementation path instead of scattered articles.
Copy the skill, script, or template into your own builder stack.
Use cron, agents, and Linear-style inboxes to make it repeatable.
Featured course
Build the first practical agent workflow from VPS setup to X bookmark capture, Linear triage, and a daily review loop.
Course path
A public walkalong course for building an always-on agent workflow: VPS, Codex, Hermes/OpenClaw, X bookmark capture, Linear triage, and Shape Up task review.
Small, open-source workflows that pair public instructions with source files you can copy into your own agent setup.
discord
An installable Hermes/OpenClaw skill for wiring a private Discord channel to a narrow agent command surface before X bookmarks and Linear triage run.
linear
An installable Hermes/Codex-style skill for reviewing Linear issues created by X Bookmark Capture Sync and turning each capture into a Shape Up Linear task.
x
An installable OpenClaw/Codex-style skill that captures your X bookmarks on a cron job and turns them into raw Linear Triage issues.
Planning assets and checklists for turning the playbooks into tighter execution.
Template
A scope template for AI-native SaaS MVPs: job to be done, inputs, guardrails, UX boundary, and launch criteria.
Template
A practical SaaS implementation checklist for pre-launch, rollout, onboarding, and post-launch review.
Template
A fill-in-the-blank SaaS implementation plan template covering goals, scope, owners, milestones, launch gates, and post-launch metrics.
DevelopJoy partnership
Build Lean SaaS publishes the courses, skills, and templates. DevelopJoy is the implementation layer when you want help connecting Codex, Claude, OpenClaw, Linear, cron, and your repo into a working operating loop.
Latest writing
The blog stays useful, but courses, skills, and templates are the main implementation path.
A founder-friendly guide to scoping an AI SaaS MVP, choosing the right workflow, adding guardrails, and charging for something more durable than a demo.
A practical guide to validating a SaaS idea, scoping a small first release, and getting to the first paying customers without hiding behind code.
A grounded guide to Codex CLI as it exists on April 2, 2026: current install and auth options, commands worth using, and where it actually helps if you are building a SaaS.
