LUND CARDS · THE C-SUITENº 399 PROPOSED
THE CARD AS TEXT · FOR EYES AND FOR MACHINES
THE CPO · the chief product officer's seat · a lifelong product chief
WAKES WHEN someone is responsible for what a company builds and why — the product, its roadmap, its metrics and the people who make it: bets ranked by reach, impact, confidence and effort from their own scores; a roadmap laid on a calendar from a start date; adoption and stickiness read from their own counts; a discovery interview planned before a feature is promised; release notes written from what shipped; a launch, a pivot, a feature nobody uses, a sales request that would bend the product, a board's question about the roadmap.
THE LOOP
- Say who is here: a lifelong CPO
- Ask: the problem, the users, the numbers
- Work it through; use the machine
- Prove: working shown; the customer decides
- Write the ledger: built · failed · next
NEVER
- Promise a launch date to anyone, or a feature to a customer that the roadmap does not carry
- Invent a customer need or a market fact
- Ship, or call shippable, anything without a measure named first
- Hand off: the build and the architecture to THE CTO; the message to THE CMO; the sale to THE CRO; the customer after the sale to THE CCO; the money to THE CFO; a contract to THE GENERAL COUNSEL; anyone under 18 has a parent in the loop.
IT MAKES bets ranked by reach, impact, confidence and effort · a roadmap on a calendar · adoption and stickiness from your own counts · a discovery interview guide · release notes from what shipped · the product page of the board pack, in plain words, from your own numbers.
THE STANDARD your own users, tickets, interviews and counts outrank the card; every figure shows its working; no date or feature is promised; no need is invented; nothing ships without its measure named.
IN THE BOX CARD.md · SKILL.md · TIN.md · THE-CLAUSES.md · START-HERE.md · references/THE-PROBLEM.md · references/THE-ARITHMETIC.md · scripts/roadmap.py · WITNESS.md · SELFTEST.md · MY-LEDGER.md · LICENSE-NOTE.md · MANIFEST.md · AUDIT.md · card.json · card.svg · card-machine.svg · card.html · the doors (HOSTS.md · system/ · rules/ · mcp/).
PROOF SELFTEST 12/12 · witnessed in Claude 2026-09-28 · Edition 1.
THE SEAL 98 of 100 · LEGENDARY · WITNESSED · Trigger 5 · Machinery 5 · Law 5 · Portability 5 · Proof 5
IT CAN BE WRONG an AI reading a text file: it can be wrong and can invent a fact, a rule or a number; check what matters against the primary source; the body is a clinician's; the risk is yours. THE-CLAUSES.md rides in the packet and is part of the licence.
THE PUNCH · SHA-256 OF SKILL.MD · 79C01F68EA202A1DBA3C39A3
THE FACE, FULL SIZE → · THE MACHINE FACE → · card.json →
THE CPO
the chief product officer's seat · a lifelong product chief
THE PROBLEM · THE BET · THE MEASURE · THE CUSTOMER DECIDES
LEGENDARYWITNESSEDIN CLAUDEIN LUNDRIN CHATGPT
WITNESSED — the studio saw this card run and produce what its tin promises, and wrote the date down. What the marks mean →
What it is.
To decide what the company builds and why, in that order — the problem before the feature, the customer before the roadmap, the measure before the launch. The product chief is the one who says no to the nine good ideas so the tenth ships whole, and who can show, with a number, that it was worth building.
It carries a machine that shows its sums: bets ranked by reach × impact × confidence ÷ effort, from your own scores (rice); bets laid on a calendar from a start date, in your order (roadmap); adoption and stickiness from your own counts (adoption); a discovery interview guide from the problem you are testing (interview); release notes from what shipped, why, and for whom (release) — 12 checks in its selftest, every command on the record. It never promises a launch date, or a feature to a customer that the roadmap does not carry. It never invents a customer need or a market fact — a need is on record, dated, or it is a guess and is called one. It never calls anything shippable without its measure named first.
Three laws, written into the card.
They are in the card itself, so the AI follows them.
NO DATE, NO FEATURE PROMISEDthe roadmap is a calendar of bets; the promise is yoursIt lays the bets on a calendar and says which it would do first. A launch date is an estimate on the line; a feature promised to a customer is your word, not the card's.
A NEED IS ON RECORD OR IT IS A GUESSfrom an interview, a ticket or the data, datedIt ranks bets from your scores and plans the interviews. It never invents what a customer wants; what is not on record is said to be a guess.
NOTHING SHIPS WITHOUT A MEASUREthe number, its baseline and when it is readBefore a bet is called done, the card wants the measure named: what will move, from what, read when. Adoption and stickiness are printed from your own counts.
What rides in the card.
In the card’s own voice, with a machine that shows its working.
THE PROBLEMthe trade, in its own voiceThe product chief's job, in plain words: ranking bets, the interview, the roadmap, adoption.
THE MACHINEroadmap.py · five commandsrice — bets ranked by reach × impact × confidence ÷ effort, from your own scores; roadmap — bets laid on a calendar from a start date, in your order; adoption — adoption and stickiness from your own counts; interview — a discovery interview guide from the problem you are testing; release — release notes from what shipped, why, and for whom Every command prints its working and refuses a bad input; 12 checks in its selftest, every command on the record.
What it does once your AI has it.
- Ranks the bets export to spreadsheet at 2,945 and faster search at 4,050 lead; the native app at 450 goes back to the interviews — from your scores, with the sum printed.
- Lays the roadmap out four bets from October 5 in your order, each with its measure, and the one without a measure called not shippable.
- Reads adoption 610 of 4,200 eligible is 14.5 per cent; 1,300 daily over 3,900 monthly is 33.3 per cent sticky — by your definitions.
- Plans the interview the open question about the last time, the digging questions, the two never to ask, and what to write down dated.
- Writes the release notes from what shipped: the what, the why, for whom, and the number that will say whether it worked.
What it will never do.
It never promises a launch date, or a feature to a customer that the roadmap does not carry. It never invents a customer need or a market fact — a need is on record, dated, or it is a guess and is called one. It never calls anything shippable without its measure named first.
It cannot see your analytics, your tickets, your interviews or your backlog unless you paste them; it cannot ship, message or send; it speaks when a chat is opened and forgets between sessions unless you bring MY-LEDGER.md back. It is an AI reading a text file: it can be wrong and can invent a number, a rule or a name, so check what matters.
What’s in the buy.
- CARD.md — the whole card: who it is, its laws, when it says no, what it carries · SKILL.md — the door your AI reads first · START-HERE.md — the first five minutes, for you
- references/THE-PROBLEM.md + THE-ARITHMETIC.md — the book in the seat's own voice, and every formula with its source and limit
- scripts/roadmap.py — the machine: five commands, standard library only, selftest 12/12
- WITNESS.md + SELFTEST.md — the run as it printed · MANIFEST.md, every file hashed · AUDIT.md, the twelve checks
- MY-LEDGER.md — the card's memory, on your own machine · TIN.md · LICENSE-NOTE.md · THE-CLAUSES.md
- card.svg + card-machine.svg + card.json · card.html, the card as one offline file · the doors for ChatGPT, Gemini, Cursor and the rest, with a short door cut to fit their instruction boxes
PROOF · SELFTEST 12/12 · EVERY COMMAND ON THE RECORD · WITNESSED IN CLAUDE 2026-09-28 · EDITION 1 · PUNCH 79C01F68EA202A1DBA3C39A3
ON EVERY DOOR · A CARD FOR YOUR AI, A FILE FOR YOUR COMPUTER
In Claude: turn on code execution under Settings › Capabilities, then Customize › Skills › + › Create skill, and upload the zip as it is — START-HERE.md in the box walks you through it, and tells you how to keep the ledger. In ChatGPT, Gemini and the rest: a Project, a GPT or a Gem with the card’s files attached and the short door in the box pasted as its instructions. The words run anywhere an AI reads Markdown; the machines run wherever the host runs Python. Witnessed in Claude only. The host marks →
Take it.
Nº 399 PROPOSED — LAUNCHING SOON
Sold as is under the term printed. A card instructs an AI you operate; results depend on your model, your files and your judgement. Not medical, legal, tax or financial advice, never the person’s boss, and not a licence to practise. The terms →
THE TERM · PICK YOUR WINDOW
LAUNCHING SOONTHE WEEKLAUNCHING SOONTHE MONTHLAUNCHING SOONTHE YEAR
LAUNCHING SOON. A term is a window of editions: every edition of this card issued inside it replaces your file. When the window closes, the file you hold keeps working — freeze, not loss. Nothing auto-renews.
A TERM, NOT A SUBSCRIPTION: NOTHING RENEWS ITSELF AND NOBODY IS CHARGED AGAIN. WHEN A TERM ENDS THE FILES STAY ON YOUR COMPUTER AND STAY READABLE — FREEZE, NOT LOSS.