Documentation

mySecond is a PM Operating System that runs on Claude. It gives Claude everything it needs to understand your company, product, users, goals, and competitors — combined with the skills, workflows, and subagents that come with Personal PM OS.

New to mySecond? Start here.

Get Started with your PM OS — install and connect in under 10 minutes

Set up your context — teach Claude about your company in the onboarding chat

Run your first skill — try the PRD generator and see your context come to life

How your PM OS runs — the four pillars: context, skills, subagents, workflows

Your mySecond workspace — where your inputs, outputs, and context live

Need help? Email support@mysecond.ai.