THE SWITCH CARD · Moves a company's saved prompts and custom assistants from other AI tools into proper skills.
WAKES WHEN A team is switching to Claude · A prompt library needs to become skills · Custom assistants need moving
THE LOOP
Confirm ownership.
Run `convert`.
Read the ledger.
Fill the blanks with the person.
Run `check` until clean.
NEVER
Copies someone else's assistant
Invents a do-not clause
Says actions or memory carried
IT MAKES convert — turn a prompt library or assistants into skill folders; check — check converted skills are ready.
THE STANDARD what did not carry is listed; the do-not clause is the person's words; reserved words are replaced and the…; only prompts the person has the right to move; verify by execution; say the limit out loud in the work; nothing hidden; the person decides.
PROOF SELFTEST 13/13 · witnessed 2026-10-13 on material and live on Claude · Edition 1.
THE SEAL 96 of 100 · LEGENDARY · WITNESSED · Trigger 5 · Machinery 5 · Law 5 · Portability 5 · Proof 4
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 · 108CB5D3687E0FB448CF6D22
CITE THIS CARDTHE SWITCH CARD, Edition 1. Lund Studio LLC, Westminster, Colorado. https://lundr.tech/?view=switch-card. Punch 108CB5D3687E0FB448CF6D22. Retrieved 2026-10-13.
What it is.
Moves a company's saved prompts and custom assistants from other AI tools into proper Agent Skills: one skill folder per prompt or assistant, a valid name, a description with use-when and a marked do-not blank, the instructions and examples carried over, and a ledger of what did not carry (knowledge files, actions, memory).
Use when a team is switching to Claude and has prompt libraries or assistants to bring. Do not use to turn general documents into skills (THE MILL does that) or to copy someone else's assistant.
It carries a machine that shows its working: convert — turn a prompt library or assistants into skill folders; check — check converted skills are ready — 13 checks in its selftest. It will never copies someone else's assistant; never invents a do-not clause; never says actions or memory carried.
Eight laws, written into the card.
They are in the card itself, so the AI follows them.
WHAT DID NOT CARRY IS LISTEDWhat did not carry is listed, never hidden.
THE DO-NOT CLAUSE IS THE PERSON'S WORDSThe do-not clause is the person's words; blanks are marked, never invented.
RESERVED WORDS ARE REPLACED AND THE…Reserved words are replaced and the change is reported.
ONLY PROMPTS THE PERSON HAS THE RIGHT TO MOVEOnly prompts the person has the right to move.
VERIFY BY EXECUTIONVerify by execution, not by reasoning: run the machine and read what it prints before saying a thing is done.
SAY THE LIMIT OUT LOUD IN THE WORKSay the limit out loud in the work: every result names what it did not check.
NOTHING HIDDENNothing hidden: two readers, the person and the AI, see the same words.
THE PERSON DECIDESThe person decides.
What rides in the card.
In the card’s own voice, with a machine that shows its working.
THE GUIDEreferences/WHAT-CARRIES.md
THE MACHINEswitch.py · two commandsconvert — turn a prompt library or assistants into skill folders; check — check converted skills are ready. Every command prints its working and refuses a bad input; 13 checks in its selftest.
What it does once your AI has it.
convert Turn a prompt library or assistants into skill folders
check Check converted skills are ready
On the record a company's prompt library (8 rows) and three custom assistants — fictional records made for the test (every fixture file says FICTIONAL). One skill per prompt and per assistant. The title holding a reserved word was renamed and reported. Missing do-not clauses became [FILL] blanks, never invented; check refused them until a person filled them, then PASS. - The knowledge file found beside the input was copied in; the missing one, the action and the memory were listed as not carried. Live on Claude Sonnet, 2026-10-13: 7 of 7 passed; the card fired on 3 of 3 trigger cases and on none of its hand-off cases.
What it will never do.
It will never copies someone else's assistant; never invents a do-not clause; never says actions or memory carried.
It moves words and files. It cannot rebuild an action, a connector or a memory, and a converted skill still needs testing (THE LIFT CARD). 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: its boot, laws, loop, when it says no, its seals, ledger, term and score · SKILL.md — the door your AI reads first · START-HERE.md — the first five minutes, for you
WHAT-CARRIES.md — the guide in references/, in the card's own voice
scripts/switch.py — the machine: convert · check, standard library only, no network, selftest 13/13
WITNESS.md — the runs on real material and live on Claude, with what was not run · SELFTEST.md — the machine's own test, as run at the cut · MANIFEST.md, every file hashed · CHANGELOG.md
tests/evals.json + EVALS.md — the cases it must take, hand off and refuse
MY-LEDGER.md — the card's memory, on your own machine · TIN.md, the nine lines on the tin · LICENSE-NOTE.md
card.svg + card-machine.svg + card.json · card.html, the card as one offline file · doors/ — the rules files for Cursor, Codex, Gemini, Copilot and Claude Code, the system text for any other AI, a local-model file and an MCP door
PROOF · SELFTEST 13/13 · WITNESSED ON MATERIAL · LIVE ON CLAUDE SONNET 2026-10-13 · 7 OF 7 PASSED · EDITION 1 · PUNCH 108CB5D3687E0FB448CF6D22
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 1200 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 CARD’S OWN WITNESS.MD
switch.py, every command showing its working.
A small Python program, standard library only. Your AI runs it; you can too. The blocks below are pasted from the card’s own WITNESS.md, as printed.
convert
turn a prompt library or assistants into skill folders
check
check converted skills are ready
selftest
13 checks that prove the machine; it must print 13/13
THE COMMANDS, IN ORDER, ON A COMPANY'S PROMPT LIBRARY (8 ROWS) AND THREE CUSTOM ASSISTANTS
THE RUNS ARE PASTED FROM THE CARD’S OWN WITNESS.MD AS PRINTED. FIXTURES MARKED FICTIONAL ARE THE STUDIO’S OWN EXAMPLES, INVENTED FOR THE RECORD; NO PRIVATE PERSON IS NAMED.
QUESTIONS AT THE TABLE
Asked before the wire.
What does it need from me?
Your own prompt library or assistant exports. Confirm ownership, and it goes from there.
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 (13/13), a run on real or invented material with every command and verdict pasted into WITNESS.md as printed, and live runs on Claude Sonnet: 7 of 7 passed; the card fired on 3 of 3 trigger cases and on none of its hand-off cases.; 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 moves words and files. It cannot rebuild an action, a connector or a memory, and a converted skill still needs testing (THE LIFT CARD).
What will it never do?
It will never copies someone else's assistant; never invents a do-not clause; never says actions or memory carried.