THE INSTRUMENTS · THE CRAFT GATES · Nº 1338 · EDITION 1 ·Liquid error (snippets/rm-optimal-reading-card line 27): comparison of String with 0 failed
LUND CARDS · THE INSTRUMENTSNº 1338
THE CARD AS TEXT · FOR EYES AND FOR MACHINES
THE OPTIMAL READING CARD · the legibility seat — checks that a surface is actually easy on the eyes
WAKES WHEN a reading surface (a page, a slide, a document) needs to be checked for legibility · a person says 'this is hard to read', 'optimal reading', 'check the contrast / type / spacing' · a design needs to meet the reading law before it goes out
THE LOOP
measure · take each surface's colours, type size, line length, line height and motion
check · against the reading law: contrast, 16px body / 14px floor, 45–80 char measure, gentle leading
flag · a dark ground, faint contrast, tiny type, a too-wide line, or any flashing motion
hold · the surface does not pass until every reading rule is met
NEVER
Passes a dark ground where the reading law calls for white/light ground with dark ink
Passes flashing, blinking or strobing motion on a reading surface
Passes text below the contrast or size floor, however good the rest looks
IT MAKES check — scores each surface against the reading law, flags every failure, holds until clean; selftest — 17 checks that prove the machine.
THE LAW Nothing ships until it is proven. A craft gate checks the work against every representative case and every reading rule, records the evidence, and refuses to pass what it has not proven. The maker holds the standard; the gate holds the line.
PROOF SELFTEST 17/17 · 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 · F63BF7D54FD31A3A3C24338B
CITE THIS CARDTHE OPTIMAL READING CARD, Edition 1. Lund Studio LLC, Westminster, Colorado. https://lundr.tech/?view=optimal-reading-card. Punch F63BF7D54FD31A3A3C24338B. Retrieved 2026-10-20.
What it is.
Checks that a surface is actually easy on the eyes. Use when a reading surface (a page, a slide, a document) needs to be checked for legibility. Not for judging content or taste. For checking every surface, not just one → THE EVERY REP CARD.
It carries a machine that shows its working: check — scores each surface against the reading law, flags every failure, holds until clean; selftest — 17 checks that prove the machine — 17 checks in its selftest, run in the open below. It never passes a dark ground where the reading law calls for white/light ground with dark ink; never passes flashing, blinking or strobing motion on a reading surface; never passes text below the contrast or size floor, however good the rest looks.
The law, written into the card.
It is in the card itself, so the AI follows it.
THE HOUSE LAW · THE CRAFT GATESNothing ships until it is proven. A craft gate checks the work against every representative case and every reading rule, records the evidence, and refuses to pass what it has not proven. The maker holds the standard; the gate holds the line.
THE LIMIT, ON THE TINIt checks the numbers you give it (or simple CSS) against the reading law; it does not render the page — pair it with THE EVERY REP CARD to check every surface, not just one.
The method.
Measure. Take each surface's colours, type size, line length, line height and motion.
Check. Against the reading law: contrast, 16px body / 14px floor, 45–80 char measure, gentle leading.
Flag. A dark ground, faint contrast, tiny type, a too-wide line, or any flashing motion.
Hold. The surface does not pass until every reading rule is met.
What it does once your AI has it.
check Scores each surface against the reading law, flags every failure, holds until clean
selftest 17 checks on the studio’s own example inputs; it must print selftest 17/17
What it will never do.
It never passes a dark ground where the reading law calls for white/light ground with dark ink; never passes flashing, blinking or strobing motion on a reading surface; never passes text below the contrast or size floor, however good the rest looks.
Where it hands off: Checking every surface, not just one → THE EVERY REP CARD. The studio's reading format → Stillpoint.
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/optimalread.py — the machine, Python standard library only, offline; selftest 17/17
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
PROOF · SELFTEST 17/17 · 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 F63BF7D54FD31A3A3C24338B
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 1338 —Liquid error (snippets/rm-optimal-reading-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. 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
optimalread.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.
check
scores each surface against the reading law, flags every failure, holds until clean · check SURFACES.csv
selftest
17 checks that prove the machine; it must print selftest 17/17
selftest · AS PRINTED
$ python3 scripts/optimalread.py selftest
wrote READING-REPORT.md — PASS
wrote READING-REPORT.md — HOLD
wrote READING-REPORT.md — HOLD
wrote READING-REPORT.md — HOLD
wrote READING-REPORT.md — HOLD
wrote READING-REPORT.md — HOLD
REFUSED: no surfaces to check
selftest 17/17
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: take each surface's colours, type size, line length, line height and motion. 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 (17/17), 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 the numbers you give it (or simple CSS) against the reading law; it does not render the page — pair it with THE EVERY REP CARD to check every surface, not just one.
What will it never do?
It never passes a dark ground where the reading law calls for white/light ground with dark ink; never passes flashing, blinking or strobing motion on a reading surface; never passes text below the contrast or size floor, however good the rest looks.
