Brainstorming template

Assumption busting template

List what everyone takes for granted about a problem, flip each assumption, and see which flips open up new ideas.

Free · Editable · Works with Claude and ChatGPT · Also in Strategy

Preview of the Assumption busting template: its layout as it lands on the board
The template as it lands on your board, drawn from the template itself. Every part is editable.

How to use the Assumption busting template

  1. Start a board from it

    Use this template opens a new Freero board with the Assumption busting template on it (sign up free first). On a board you already have, open Templates in the toolbar and search for “Assumption busting”.

  2. Follow the instruction on the board

    “Write assumptions as plain statements. Flip each one into its opposite, however silly, then ask what we would build if the flip were true.”

  3. Fill in each part

    • We assume What does everyone take for granted here?
    • What if the opposite? Flip each assumption.
    • Ideas it opens If the flip were true, what would we do?
    • Worth testing Which flip deserves a real test?
  4. Bring your team and your agents

    Invite people to the board or share a link, and work on it together live. The timer is in the top bar, private mode and voting in the board menu, and Claude or ChatGPT can join through Freero’s MCP server.

Use this template

Work on it with an AI agent

Connect an assistant once and it works on the board with you, with your permissions: by default it reads and proposes, and people decide.

  1. You ask: “Fill in the Assumption busting board from these notes.”

    What happens It reads the board, then proposes sticky notes for it. Nothing changes until someone on the board accepts them.

  2. You ask: “Group what we wrote into themes and list the actions.”

    What happens It proposes clusters with a title each and task cards for the actions, labelled with its name and yours.

Set it up for Claude, ChatGPT or any MCP client.

Bring your team and your agents to one board

Free to use, open source, and yours to host. No credit card, no seat count.