THE HOST MARKS · where a skill has run, and how it went there
WAKES WHEN someone asks where a skill has been run, or wants its "works on" claim backed by dates
THE LOOP
hostmarks.py new · the hosts, one row each
run the skill there; keep the witness file
add · host, date, selftest, evals, witness
check · stale or unmarked, named
line · the one line a card prints; badge
NEVER
Mark a host the skill was not run on
Hide a ratio that is not whole
Let a mark older than its term stand as fresh
IT MAKES new — the sheet; add — a mark; check — every host marked? every mark fresh and whole?; line — the one-line marks a card prints; badge — the marks drawn.
THE STANDARD a mark is a host, a date, a ratio and a file; unmarked is a state; stale after its term; ratios are kept whole or shown broken; the witness file sits beside the sheet; one line tells the whole truth.
PROOF SELFTEST 12/12 · witnessed in Claude 2026-10-09 · 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. THE-CLAUSES.md rides in the packet and is part of the licence.
THE PUNCH · SHA-256 OF SKILL.MD · 3760C83276D7BFDC8653954D
CITE THIS CARDTHE HOST MARKS, Edition 1. Lund Studio LLC, Westminster, Colorado. https://lundr.tech/?view=host-marks-card. Punch 3760C83276D7BFDC8653954D. Retrieved 2026-10-10.
What it is.
Keeps the marks sheet for a skill — on which hosts it has actually been run (Claude app, Claude Code, the API, any others named), on what date, with what self-test and eval results and which witness file — checks that every host is marked and every mark fresh, prints the one-line marks a card can carry, and draws them as a badge.
It carries a machine that shows its working: new — the sheet; add — a mark; check — every host marked? every mark fresh and whole?; line — the one-line marks a card prints; badge — the marks drawn — 12 checks in its selftest, every command on the record. It will never mark a host the skill was not run on; never hide a ratio that is not whole; never let a mark older than its term stand as fresh.
Six laws, written into the card.
They are in the card itself, so the AI follows them.
A MARK IS A HOST, A DATE, A RATIO AND A FILEAnything less is a claim.
UNMARKED IS A STATEIt says the skill has not been run there; it is never hidden.
STALE AFTER ITS TERMHosts change under a skill; a mark older than 180 days is named stale.
RATIOS ARE KEPT WHOLE OR SHOWN BROKEN10/12 on a host is more useful than silence.
THE WITNESS FILE SITS BESIDE THE SHEETThe witness file sits beside the sheet, so the mark reads back to the run that earned it.
ONE LINE TELLS THE WHOLE TRUTHWITNESSED ON · host date (evals) · … · unmarked: the rest.
What rides in the card.
In the card’s own voice, with a machine that shows its working.
THE GUIDEreferences/WHY-MARKS-ARE-PUBLIC.md
THE MACHINEhostmarks.py · five commandsnew — the sheet; add — a mark; check — every host marked? every mark fresh and whole?; line — the one-line marks a card prints; badge — the marks drawn. 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.
new The sheet
add A mark
check Every host marked? every mark fresh and whole?
line The one-line marks a card prints
badge The marks drawn
On the record A marks sheet opened for a card with three hosts; a fresh whole mark added for Claude Code and a spring mark with 10 of 12 for the API; check named the API mark stale and not whole and the Claude app unmarked; the one-line marks printed and the badge drawn.
What it will never do.
It will never mark a host the skill was not run on; never hide a ratio that is not whole; never let a mark older than its term stand as fresh.
It records what a person adds; it does not run the skill on any host itself. A mark is as honest as the run behind it, which is why the witness file is required and checked for presence, not content. It is an AI reading a text file: it can be wrong, so check what matters against your own records and the source.
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
WHY-MARKS-ARE-PUBLIC.md — the guide in references/, in the card's own voice
scripts/hostmarks.py — the machine: new · add · check · line · badge, standard library only, selftest 12/12
WITNESS.md + SELFTEST.md — every command on the record, 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 · HOSTS.md
card.svg + card-machine.svg + card.json · card.html, the card as one offline file · the doors for ChatGPT, Gemini, Cursor, Claude Code and MCP hosts (rules/, system/, mcp/)
PROOF · SELFTEST 12/12 · 5 COMMANDS ON THE RECORD · WITNESSED IN CLAUDE 2026-10-09 · EDITION 1 · PUNCH 3760C83276D7BFDC8653954D
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 903 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 →
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.
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 WITNESSED RUN OF 2026-10-09
hostmarks.py, every command showing its working.
A small Python program, standard library only. Your AI runs it; you can too. Every block below is pasted from the card’s own WITNESS.md, as printed.
new
the sheet
add
a mark
check
every host marked? every mark fresh and whole?
line
the one-line marks a card prints
badge
the marks drawn
selftest
12 checks that prove the machine; it must print 12/12
new · THE SHEET
$ python3 scripts/hostmarks.py new marks.json --card brief-card
sheet for brief-card · hosts: Claude app, Claude Code, API · marks.json
add · A MARK
$ python3 scripts/hostmarks.py add marks.json --host Claude Code --date 2026-10-09 --selftest 11/11 --evals 12/12 --witness WITNESS.md --version 1.0
mark 1 · Claude Code · 2026-10-09 · evals 12/12
add · A MARK
$ python3 scripts/hostmarks.py add marks.json --host API --date 2026-03-02 --selftest 11/11 --evals 10/12 --witness WITNESS.md
mark 2 · API · 2026-03-02 · evals 10/12
check · EVERY HOST MARKED? EVERY MARK FRESH AND WHOLE?
$ python3 scripts/hostmarks.py check marks.json
NOT YET · marked: API, Claude Code · unmarked: Claude app
API 2026-03-02: evals 10/12 is not whole
Claude app: unmarked — never run there
API: stale — last mark 2026-03-02, 221 days ago (term 180)
line · THE ONE-LINE MARKS A CARD PRINTS
$ python3 scripts/hostmarks.py line marks.json
WITNESSED ON · Claude Code 2026-10-09 (12/12) · API 2026-03-02 (10/12) · unmarked: Claude app
badge · THE MARKS DRAWN
$ python3 scripts/hostmarks.py badge marks.json --out marks.svg
wrote marks.svg
THE NUMBERS, NAMES AND DATES IN THESE RUNS ARE THE STUDIO’S OWN EXAMPLES, INVENTED FOR THE RECORD; NO REAL COMPANY, PERSON OR PROPERTY IS NAMED.
QUESTIONS AT THE TABLE
Asked before the wire.
What does it need from me?
Hostmarks.py new · the hosts, one row each. It asks first for the hosts the skill is meant for, and a real run on each with its witness file kept.
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 self-test (12/12) and every command run on real example inputs, pasted into WITNESS.md as they printed; 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 records what a person adds; it does not run the skill on any host itself. A mark is as honest as the run behind it, which is why the witness file is required and checked for presence, not content.
What will it never do?
It will never mark a host the skill was not run on; never hide a ratio that is not whole; never let a mark older than its term stand as fresh.
