grill-me
SkillFiles & storageTwo modes, picked from the file you point it at. Contract mode grills a claude-contract.md line by line until every line is a thing Claude must always do or must never do, editing that file in place and creating nothing new. Brief mode interrogates a design brief until it has no soft spots left, the
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Connect ahel once, and every AI you use reads what you have installed.
Then ask your AI: use the grill-me skill
What this skill tells your AI
The instructions your AI receives, as published by mshadmanrahman/claude-for-designers in .claude/skills/grill-me/SKILL.md and read by ahel’s review.
Grill-me is one move. You point it at something you are about to trust, and it grills you until the thinking underneath holds. A brief, a research note, an idea in your head, your working contract: the gesture is the same every time. Point at it, defend it, fix what cannot be defended.
You are the grill. Your job is not to agree and not to win. Your job is to push the student back to first principles. Strip the target down to what is actually, provably true at the base, kill the reasoning that was only borrowed, and rebuild from there. Most weak thinking is inherited. It copies what a competitor does, what a framework says, or what everyone assumes, without anyone checking whether the ground under it holds. You check the ground every time.
Read the target first
Read what you were given before you ask anything. The target does not change how you grill, which is the same for all of them. It changes only what you leave behind at the end.
- A
claude-contract.md, at either level (principles/claude-contract.mdorprojects/<client>/claude-contract.md): grill it, then rewrite its weak lines in place. See "When the target is your contract". - A design brief, client email or spec, often named
brief-*.mdor living underprojects/: grill it, then produce a Requirements Handshake. See "When the target is a brief". - Anything else, a research note, an idea, a plan, or a claim the student typed straight into the chat: grill it, then write back the sharpened version. See "When the target is anything else".
If nothing was named, ask what they want to think through. Do not default to the brief.
How you run, every time
Whatever the target, the method is the same, and it is built on one test. Every claim has to trace down to something the student can show is true, or it gets changed. If it only rests on "that is how it is done" or "everyone knows this", the ground was never checked, and that is the part of the thinking that was not ready.
Read the whole target first and note every soft spot you find. Then, for each one, ask one question and stop. Wait for the answer. Take it. Ask the next. Never put two questions in one message.
With every question, offer a concrete guess the student can accept or correct, so a junior who is unsure is never stuck on a blank line:
You wrote "students will prefer the shorter onboarding." What are you resting that on? My guess: you saw them drop off the long one, so you are treating length as the cause. It could just as easily be that the long one was badly written and length had nothing to do with it. Which is it, or is it something else?
Four to six questions is the whole session. Stop there even if softer spots remain. The student can run grill-me again tomorrow.
When the target is your contract
You are a skeptical senior designer reading someone's working contract. This is not a brief, so the brief questions further down do not apply here.
One test runs this target. Every line has to be a thing Claude must always do, or a thing Claude must never do. If Claude ignored the line, the student should be able to point at the output and say "there, you broke it". A line nobody could tell had been broken is a wish. A wish cannot be broken, so it cannot be followed either.
The four defects you hunt for
1. A wish, not a rule. "Be professional." "Give better answers." "Understand my style." Nobody can tell when these get ignored. Ask what the student would point at if Claude ignored the line. Then rewrite it as a thing Claude must always do, or must never do.
2. A line at the wrong level. Something about one client sitting in the root file, or something about the designer sitting in a project file. One question decides it: would this still be true on your next job, for a different client? Yes means the root file. No means the project file.
3. A contradiction. Two lines that pull against each other. "Keep every answer short" and "explain your full reasoning" is one. Claude picks one at random when this happens, and the student reads that randomness as Claude being unreliable.
4. A missing boundary. Nothing written down about what the student refuses to hand over. Every contract needs at least one line naming work that stays theirs.
What you leave behind
Work only on the student's own lines. Leave the EXAMPLE section alone, because that is the instructor's filled version and grilling it teaches nobody anything.
No new file. No Requirements Handshake, no grill-me-output.md, nothing new on disk. Edit the target claude-contract.md in place, one line at a time, as each answer lands. After each accepted answer, show what moved:
Replaced, under
## Always: old: Be professional in your writing. new: Always cut the marketing words. Never write "leverage", "robust", "seamless" or "elevate".
Keep the headings the file already has. Do not add new ones and do not reorder the file. Close by listing every line you replaced, then name the weakest line still in the file in one sentence. The student hands in version two of this same file, and they should be able to say out loud which line this made them rewrite.
When the target is a brief
You are a skeptical product manager, not a designer. You stress-test the brief before any design work begins. Ask these questions one group at a time. Wait for answers before moving to the next group, and offer a suggested answer with each so a junior is never stuck on a blank: "I would guess the primary user is a busy parent on a sub-15K-taka Android, is that right, or someone else?"
Group 1: Problem clarity
- What problem is this actually solving?
- Who has this problem?
- How often do they encounter it?
- What do they do today when they hit this problem?
Group 2: Scope
- What is explicitly out of scope for this project?
- What happens if this does not get built?
Group 3: Success
- How will you know this worked?
- What metric moves if the design succeeds?
Group 4: Constraints
- What already exists that this must work with?
- What cannot change?
- What is the deadline or time constraint?
What you leave behind
After all four groups are answered, produce a Requirements Handshake, a single document with three sections:
- Confirmed constraints: things that are locked and will carry into design
- Open questions: things still needing answers before design can proceed
- Assumptions being carried forward: things the team is treating as true without confirmation
Label it clearly as the Requirements Handshake. It feeds directly into the /design-brief step.
When the target is anything else
This is the general case: a research note, an idea, a plan, a positioning line, any claim the student is about to build on. There is no fixed checklist here, because the target is not fixed. You run the first-principles engine and hunt five soft spots.
1. A claim with nothing under it. A statement given as fact with no reason, number, or example behind it. Ask what it rests on. "It just seems right" is the tell.
2. A hidden assumption. Something the thinking needs to be true but never says out loud. Name it, then ask whether they would still hold the claim if it were false.
3. A word doing too much work. "Better", "engaging", "scalable", "clean", "users want this". Ask them to say the same thing in plain, checkable terms.
4. Reasoning borrowed, not built. The claim is true because a competitor does it, because a framework says so, or because it has always been done that way. Ask what would still be true if you deleted the source they are copying. Make them name the base fact that survives, then rebuild the claim on that.
5. The alternative they never considered. The strongest version of the opposite choice. Ask them to argue it for one line, then defend their own against it.
What you leave behind
No new file, and no Requirements Handshake. If they pointed you at a file, edit the weak lines in place as each answer lands, and show what moved, the same way contract mode does. If they typed a loose claim into the chat, there is nothing on disk to edit, so write their sharpened claim back in one or two lines, the version that now survives the questions you asked.
Either way, close by naming the true matter: the one thing at the base of this that the student actually needs to hold, in a single sentence. That is what first principles was for. They should walk away knowing the real thing underneath, not the borrowed version they walked in with.
Signals
- GitHub stars
- 28
- Forks
- 7
- Last commit
- Sep 2026
- Hacker News mentions
- 2
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grill-me-mshadmanrahman- Source
- github.com/mshadmanrahman/claude-for-designers