> ## Documentation Index
> Fetch the complete documentation index at: https://docs.productbrain.com/llms.txt
> Use this file to discover all available pages before exploring further.
# What is ProductBrain?
> A logic-driven product planning tool for technical founders and teams building with AI.
When the **why** behind your work gets lost, you build the wrong thing, fast. Your AI agents forget it between sessions. Your team buries it in trackers and decks that are stale by the time you present them. ProductBrain is where the *why* lives: every piece of work mapped through a hierarchy that ties it back to a business outcome, so the reasoning is never the thing that goes missing. It's the sense-making layer above the tools you already use. Your tracker knows *what* you're doing. ProductBrain answers *why*.
The same dataset renders as either a **Planning Tree** (strategy) or a **Delivery Map** (execution), with animated transitions between them.
## Start here
Four ways in. Pick the one that sounds like you. Or point your AI agent at the last one. Three minutes to first value, a career to leverage it.
You've got a real idea, but it comes out as a jumble when you try to present it. Get it back as a clean **Goal → Need → Approach** map you can share. And walk in looking like you've thought it through, because now you have.
You're a PM or lead and delivery is accelerating. The *why* keeps outrunning the team. ProductBrain sits above Linear, Jira, or GitHub and keeps every shipped thing traceable to a goal, so you can answer "why this?" in any review without a prep deck.
Your agents lose the plot between sessions and ship the wrong thing. ProductBrain is the plan they read *before* they build and write proof back to as they ship. The external memory they can't lose.
Reading this on a builder's behalf? Start at the [agent landing](/guides/for-ai-agents). Your canonical contract is the [LLM Guide](https://productbrain.com/docs/llm-guide.md), you connect over [MCP](/api-reference/mcp) or raw HTTP, and you operate the entire plan with one key.
## The Problem
You have more bets in flight than you can hold in your head. Features, experiments, infrastructure, polish. Each one made sense when you started it. But right now, you can only focus on a handful. While you're heads-down on those, everything else is waiting. And you can't see what's waiting, how long it's been waiting, or whether it still matters.
The real cost isn't what you're building. It's what you're *not* building. And not knowing whether that's the right call.
Meanwhile, the tools you have don't help:
* **Project trackers** track tasks, not strategy. They know what you're doing but not why.
* **Whiteboards** capture ideas, not structure. Everyone knows how to fill one. Nobody knows what to do after the session ends and the wall is full.
* **Slide decks** communicate a point-in-time snapshot that's stale by the time you present it.
None of them show you the full landscape of bets. Which goals they serve, which needs they address, and what you're leaving on the table while you focus on what's in front of you.
## What ProductBrain Does
ProductBrain makes every bet visible alongside every other bet. You can see:
* **What you're working on** and what strategic outcome it serves
* **What you're not working on** and whether that's a conscious choice or an oversight
* **Where your bets cluster**, three approaches under one goal, none under another
* **What's waiting**. Deferred work that's still connected to real business needs
The tree doesn't make decisions for you. It makes the decisions you've already made, and the ones you haven't, impossible to ignore. When you can see everything at once, the right priorities become obvious in a way they never are inside a flat task list.
And when you need to share your thinking, generate a link. Stakeholders get an interactive read-only view of the goals you choose to show. The full tree and delivery map, always current, no account needed.
## Built AI-Native
ProductBrain isn't a planning tool with AI bolted on. AI is the primary interaction layer, not a feature, a given.
For **strategists**, the shape of your work comes from guided conversation. Describe what you're thinking, and the AI structures it into goals, needs, and approaches. The UI is there to visualise, edit, and refine, not to fill out forms field by field. You think fluidly. The model captures it.
For **builders**, your agent drives. It reads the tree through the API, picks up the next job, ships it, writes back. You never have to touch the UI if you don't want to. It's a dashboard that shows the state of your bets, not a control surface you're required to operate.
## The Model Is the Time Saver
The consistent hierarchy, Goal → Need → Approach → Job, means everyone speaks the same language. When the chain of reasoning is visible, you spend less time explaining decisions and more time making them. AI accelerates execution. The model makes sure the execution points somewhere worth going.
## Two Views, One Dataset
**Goal → Need → Approach → Job.** The strategic view. See every bet, what it serves, and what's getting attention vs what's being deferred.
**Approaches × Iterations.** The execution view. Bundle work into releases. See what ships when, and what proof you need that each bet is paying off.
These aren't separate tools. They're two lenses on the same data. The Planning Tree is where you think. The Delivery Map is where you ship. Toggle between them at any time. The person setting the agenda works in the tree. The person (or agent) delivering the work reads the map.
## About ProductBrain
ProductBrain is built by **Anthony Lee**, 30 years across product management, software engineering, and design, from Caterpillar and Wotif to the ABC, Tabcorp, and Best Practice. The [full story is here](/trust/about). It's self-funded, actively shipping, and built on the conviction that the model matters more than the ceremony.
**Your data is yours.** Download your entire project as JSON at any time. No export restrictions, no lock-in. We compete on value, not switching costs.
**Migrating from another tool?** We'll import your data for you, free, hands-on. Export from Aha!, Productboard, or wherever your strategy lives, and we'll restructure it into ProductBrain's hierarchy. [import@productbrain.com](mailto:import@productbrain.com).
**Pricing:** Free to start. Strategist $19/mo, Builder $39/mo, Team \$99/mo (up to 5 users). Larger team? [enterprise@productbrain.com](mailto:enterprise@productbrain.com). [Sign up at app.productbrain.com](https://app.productbrain.com).