Common Ground · Guide ← Start a board

Find out exactly where you agree — and where you don't.

A board starts with one contested question, like "Should we switch to a four-day week?" The work is breaking that big question into small, specific pieces you can actually take a position on.

What a board is

Each small piece is a claim: a single, checkable statement. People add claims, and the facilitator sorts each one into a column based on where the group actually stands.

Undecided
New claims land here, waiting to be sorted.
We agree
Everyone accepts this — with the agreed conclusion attached.
We disagree
A real point of dispute, named as precisely as possible.
Trash
Off-topic or merged-away claims.

A claim that turns out to hide its own whole argument can be broken down into a sub-board — the same structure, one level deeper. When the sub-board reaches a conclusion, it flows back up to settle the claim that spawned it.

What makes a good claim

State a position, not a question — something a person can agree or disagree with.

#3A four-day week would cut total output by more than 10%.good
specific · checkable · one assertion
#4The four-day week is complicated and has lots of tradeoffs.too vague
nothing to agree or disagree with

One claim, one idea. If you need the word "and," it's probably two claims.

Who does what

Facilitator
Owns the board. Sorts claims into columns, names the core disagreement, confirms resolutions, and opens sub-boards. The one person steering.
Everyone
Adds claims, votes on undecided ones, comments with reasoning, and sets "I'd agree if…" conditions — the precise thing that would change their mind.

Your own Claude can join as a participant too, as a genuine second voice to think against — it adds claims, votes, and proposes, but only you confirm.

Bring your Claude

If you've added the Common Ground connector to your Claude, it can join a board as the participant "Claude (agent)" — a real second voice that adds claims, votes, comments, and proposes resolutions for you to confirm. Paste one of these to get going:

Start a session on a board
Use the Common Ground connector. Call list_boards, then read_board("NAME") before doing anything. You post as "Claude (agent)" — you can add claims, comment, vote, and propose, but you can't sort, confirm, or trash (I do that in the app). Read before writing, don't duplicate an existing claim, one assertion per claim, stay concise. Then ask what I want you to push on.
Ask it to contribute
Read board "NAME", find the gaps and unsorted claims, then add one or two sharp claims — or vote and comment where you actually have a view. Surface the real crux instead of piling on.

Swap NAME for your board's name. Claude posts under its own identity, distinct from yours, so the board shows two genuine voices working toward common ground.

Reaching a resolution

Disagreement isn't failure here — locating it is the goal. On boards with the resolve loop on, a disagreement can be narrowed: tagged as a difference of values, facts, or preference. Naming the type is itself clarifying — a values gap won't close with more evidence; a factual one might.

Anyone can propose a resolution — a conclusion you think everyone accepts, or the exact crux of the dispute. The facilitator confirms it to commit. Proposing is open and cheap; committing is deliberate.

Try it on anything

The same move — a contested question broken into claims you can take a position on — works far beyond product decisions. A few starting points:

"Where should we go on vacation?"
personal · family
"Which college should I choose?"
personal
"Should we get a dog?"
family
"What should the team build next quarter?"
work

The point

You're not here to win. You're here to find out exactly where the agreement and the disagreement actually are.
A board has done its job when a fuzzy argument becomes a short list of things you've settled and a short list of cruxes you've named.
It works for anything two or more people need to reason through together — a product decision, a policy, where to go for dinner.