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LUND CARDS · THE EXCHANGENº 1286
THE CARD AS TEXT · FOR EYES AND FOR MACHINES
THE DILIGENCE CARD · the buyer's-eye seat — reviews a deal's materials for the holes before the buyer does
WAKES WHEN a founder wants to pressure-test their own raise materials before sending them · a person asks 'what will investors poke holes in', 'diligence this', 'review our deck' · a deal package needs a cold read for the gaps
THE LOOP
scan · the materials for the classic red flags: no actuals, customer concentration, key-person risk
question · the questions a sharp buyer will ask, mapped to where the answer should be
gap · each unanswered question becomes a finding to fix before sending
strengthen · the one change per finding that closes it
NEVER
Certifies a package as 'investor-ready' — it finds the holes; a person fixes and decides
Gives investment advice or tells anyone to buy, sell, raise, or invest
Promises, guarantees, or projects a certain return — outputs are assumptions, not outcomes
Presents an invented number as real — unknown inputs are marked [FILL] for the person's own actuals
IT MAKES run — checks a materials checklist for the common red flags, lists the buyer's questions; selftest — 9 checks that prove the machine.
THE LAW A card builds and checks the artifact — the math, the structure, the document. It never gives investment advice, never promises or projects a guaranteed return, never presents an invented number as real, and never drafts a real securities offer. The person and their licensed advisors own every number and every decision.
PROOF SELFTEST 9/9 · witnessed in Claude 2026-10-20 on the studio’s own example inputs · the dated run in the box (RUN.md) · 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 number, a rule, a name or a date; check what matters against your own records and the source; the risk is yours. LICENSE-NOTE.md rides in the packet and is the licence.
THE PUNCH · SHA-256 OF SKILL.MD · BAEA90EBF0620C3772C60031
CITE THIS CARDTHE DILIGENCE CARD, Edition 1. Lund Studio LLC, Westminster, Colorado. https://lundr.tech/?view=diligence-card. Punch BAEA90EBF0620C3772C60031. Retrieved 2026-10-20.
What it is.
Reviews a deal's materials for the holes before the buyer does. Use when a founder wants to pressure-test their own raise materials before sending them. Not for investment advice or a real securities offer. For a quality-of-earnings view → THE QoE CARD.
It carries a machine that shows its working: run — checks a materials checklist for the common red flags, lists the buyer's questions; selftest — 9 checks that prove the machine — 9 checks in its selftest, run in the open below. It never certifies a package as 'investor-ready' — it finds the holes; a person fixes and decides; never gives investment advice or tells anyone to buy, sell, raise, or invest; never promises, guarantees, or projects a certain return — outputs are assumptions, not outcomes; never presents an invented number as real — unknown inputs are marked [FILL] for the person's own actuals.
The house law, written into the card.
It is in the card itself, so the AI follows it.
THE HOUSE LAW · THE EXCHANGEA card builds and checks the artifact — the math, the structure, the document. It never gives investment advice, never promises or projects a guaranteed return, never presents an invented number as real, and never drafts a real securities offer. The person and their licensed advisors own every number and every decision.
THE LIMIT, ON THE TINIt checks for the common, known holes; a real diligence has a human judgment this can't replace. It reviews completeness and risk flags, not the truth of your numbers.
The method.
Scan. The materials for the classic red flags: no actuals, customer concentration, key-person risk.
Question. The questions a sharp buyer will ask, mapped to where the answer should be.
Gap. Each unanswered question becomes a finding to fix before sending.
Strengthen. The one change per finding that closes it.
What it does once your AI has it.
run Checks a materials checklist for the common red flags, lists the buyer's questions
selftest 9 checks on the studio’s own example inputs; it must print selftest 9/9
What it will never do.
It never certifies a package as 'investor-ready' — it finds the holes; a person fixes and decides; never gives investment advice or tells anyone to buy, sell, raise, or invest; never promises, guarantees, or projects a certain return — outputs are assumptions, not outcomes; never presents an invented number as real — unknown inputs are marked [FILL] for the person's own actuals.
Where it hands off: A quality-of-earnings view → THE QoE CARD. The readiness of the whole room → THE DATA ROOM CARD.
It is an AI reading a text file: it can be wrong, so check what matters against your own records and the source. The holder brings their own AI; no endorsement by Anthropic or any other AI company is claimed. Names of other companies and standards are used only to say what the card works with.
What’s in the buy.
SKILL.md — the door your AI reads first: when it wakes, when it does not, the loop, the never-lines, the house law
CARD.md — the whole card in ten sections, §0 to §9 · TIN.md — what is on the tin, in nine lines
scripts/diligence.py — the machine, Python standard library only, offline; selftest 9/9
RUN.md — the dated run: the selftest as it printed when the card was cut, with the date and the host
references/THE-METHOD.md — the method in plain words, in the card’s own voice
START-HERE.md and system/short-prompt.md — the doors, for any AI with or without skills
MY-LEDGER.md — the card’s memory, on your own machine · LICENSE-NOTE.md — the licence
PROOF · SELFTEST 9/9 · AUDIT 12/12 · WITNESSED IN CLAUDE 2026-10-20 ON THE STUDIO’S OWN EXAMPLE INPUTS · THE TEST PROMPTS IN FRESH CHATS OWED · EDITION 1 · PUNCH BAEA90EBF0620C3772C60031
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 1286 —Liquid error (snippets/rm-diligence-card line 116): comparison of String with 0 failed
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. Not investment advice, not an appraisal and not an offer to sell securities. The terms →
One payment. The file is yours to keep and keeps working at its edition; new editions issued in the year after you buy reach you by email as replacement files. Tax is added at checkout where it applies. Nothing auto-renews.
AFTER YOU PAY · SIGN IN WITH THE EMAIL YOU PAID WITH · THE CARD OPENS ON MY CARDS → · CHECKED AGAINST ITS FINGERPRINT · NOTHING TO WAIT FOR
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.
THE MACHINE · IN THE OPEN · FROM THE STUDIO’S RUN OF 2026-10-20
diligence.py, showing its working.
A small Python program, standard library only. Your AI runs it; you can too. The block below is the machine’s selftest as it printed when the studio ran it from inside the packet, in Claude, on 2026-10-20.
run
checks a materials checklist for the common red flags, lists the buyer's questions · run CHECKLIST.txt
selftest
9 checks that prove the machine; it must print selftest 9/9
selftest · AS PRINTED
$ python3 scripts/diligence.py selftest
wrote DILIGENCE.md — 4 flags
wrote DILIGENCE.md — 0 flags
selftest 9/9
THE SELFTEST RUNS ON THE STUDIO’S OWN EXAMPLE INPUTS, INVENTED FOR THE TEST; NO REAL COMPANY, PERSON OR ACCOUNT IS NAMED.
QUESTIONS AT THE TABLE
Asked before the wire.
What does it need from me?
Your own files and figures, on your own disk. It starts by asking for them: the materials for the classic red flags: no actuals, customer concentration, key-person risk. If something it needs is missing, it marks it and says so — it never fills a gap with a guess.
Does it send anything anywhere?
No. The machine is a standard-library Python program that runs on your own computer and sends nothing anywhere; the words run wherever an AI reads Markdown. No server, no account, no key.
What is on the record?
The machine's selftest (9/9), run from inside the packet in Claude on 2026-10-20 on the studio's own example inputs and printed below as it ran; the twelve-check audit (AUDIT.md, 12/12); MANIFEST.md with every file hashed. RUN.md in the box is that run, dated. Still to come, as the next receipt: the card's test prompts asked in fresh chats with the card installed. The punch on the face is the SHA-256 of SKILL.md, so a downloaded copy can be checked against this room.
Can it be wrong?
Yes — it is an AI reading a text file: it can be wrong and can invent a number, a rule, a name or a date; check what matters against your own records and the source; the risk is yours. It checks for the common, known holes; a real diligence has a human judgment this can't replace. It reviews completeness and risk flags, not the truth of your numbers.
What will it never do?
It never certifies a package as 'investor-ready' — it finds the holes; a person fixes and decides; never gives investment advice or tells anyone to buy, sell, raise, or invest; never promises, guarantees, or projects a certain return — outputs are assumptions, not outcomes; never presents an invented number as real — unknown inputs are marked [FILL] for the person's own actuals.
