show-me
Use when the user asks to see something rather than read about it - "show me", "let me see it", "what does it look like", "give me options", or any moment you are about to describe a layout, a plan, a comparison or a design in prose. Renders it as a self-contained HTML page and opens it in the browser, in front of them.
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- 15 août 2026 à 15:31
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Instructions source · Aperçu en lecture seule- name
- show-me
- description
- Use when the user asks to see something rather than read about it - "show me", "let me see it", "what does it look like", "give me options", or any moment you are about to describe a layout, a plan, a comparison or a design in prose. Renders it as a self-contained HTML page and opens it in the browser, in front of them.
# Show me
**A render they have not seen does not exist.**
This skill closes the gap between finishing something and actually handing it over. Describing a
picture in prose is not showing it. Printing a file path is not showing it. Both feel like
delivery and neither one is.
There is nothing to install. You write the HTML, you open it, they look at it.
## When this fires
Any time the answer is visual and you are about to type it out instead:
- a plan, a structure, a roadmap, a set of steps
- a comparison between two or more things
- a layout, a page, a design, a wireframe
- a report, a review, a dashboard, a summary of where you got to
- **any moment the user has to choose between options**
If they would have to read it twice, draw it once.
## Mode 1 - SHOW
One thing, or a stack of versions.
1. Write a **complete, self-contained HTML file** to a temp path. Inline CSS, no external
requests, no CDN links, no web fonts. It has to render with the network off.
2. Include `<meta charset="utf-8">`. Without it every apostrophe becomes three characters of
gibberish.
3. Open it and **bring the browser to the front** (see below).
4. Only then say anything about it.
## Mode 2 - PICK
Two or more directions the user has to choose between.
**Three minimum.** Two options is a yes-or-no wearing a disguise. Three is where someone starts
seeing what they actually want, and the answer is often a piece of the first inside the shape of
the third.
Lay them side by side on one page, each with a short label and a one-line description of the
argument it makes - not the decoration, the argument. Then ask.
**Never ask someone to choose between visual options described in words.** A text description of
a layout is your mental model of it, not the thing itself, so you get a ruling on the wrong
object or no ruling at all. Render first, ask second.
### Before you render: the one-sentence test
Describe each direction in one sentence. **If the same sentence fits two of them, you restyled
one idea instead of designing two.** Go back. A board of three variations on one device wastes
the choice, because whatever they pick you have learned nothing.
### The board
Build this. It is deliberately plain so the options are the only thing with any visual weight,
and every card carries a button that copies the pick, so they answer by clicking rather than by
typing out which one they meant.
```html
<!doctype html><meta charset="utf-8"><title>Pick a direction</title>
<style>
:root{--bg:#fff;--fg:#14171a;--mut:#5d6b7a;--line:#e3e8ef;--card:#f7f9fb;--accent:#c2410c}
@media (prefers-color-scheme:dark){
:root{--bg:#0f1418;--fg:#eef2f6;--mut:#9aa8b6;--line:#243039;--card:#161d23;--accent:#fb923c}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);padding:40px 32px 80px;
font:16px/1.55 ui-sans-serif,-apple-system,"Segoe UI",Roboto,sans-serif}
h1{font-size:26px;margin:0 0 6px}
p.lede{margin:0 0 30px;color:var(--mut);max-width:70ch}
.grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.card{border:1px solid var(--line);border-radius:12px;background:var(--card);
padding:18px;display:flex;flex-direction:column;gap:10px}
.card img,.card svg{width:100%;display:block;border-radius:7px;border:1px solid var(--line)}
h2{font-size:17px;margin:0}
.angle{color:var(--mut);font-size:14px;margin:0;flex:1}
button{font:inherit;font-size:14px;padding:9px 14px;border-radius:7px;cursor:pointer;
border:1px solid var(--accent);background:transparent;color:var(--accent)}
button:hover{background:var(--accent);color:var(--bg)}
</style>
<h1>Pick a direction</h1>
<p class="lede">One line on what to judge, and what to ignore.</p>
<div class="grid">
<div class="card">
<!-- the render: <img src="data:image/png;base64,...">, an <svg>, or live HTML -->
<h2>A — name of the device</h2>
<p class="angle">The argument this one makes, in one line.</p>
<button onclick="navigator.clipboard.writeText('A');this.textContent='Copied — paste it back'">Pick A</button>
</div>
<!-- B and C the same -->
</div>
```
Three rules that keep a board honest:
- **Name the device, not the decoration.** "Timeline down the left" is a device. "Blue version" is
decoration, and it means you built the same thing twice.
- **Embed every image.** A `<img src="/some/local/path.png">` renders as a broken icon the moment
the file moves. Base64 it into the page, or draw it in inline SVG or HTML.
- **Judging shape? Render it greyscale and say so in the lede.** Colour decides the argument
before they have looked at the structure.
## Opening it properly
**`open -a "Google Chrome" file.html` is not showing them anything.** It creates the tab and does
not bring the browser forward, so it stacks up behind whatever they are actually looking at. On
macOS use this instead:
```bash
osascript <<'EOF'
tell application "Google Chrome"
activate
set w to front window
make new tab at end of tabs of w with properties {URL:"file:///ABSOLUTE/PATH"}
set active tab index of w to (count of tabs of w)
end tell
EOF
```
`activate` brings the window forward and setting `active tab index` selects the new tab. You need
both. On Linux, `xdg-open` is the equivalent, and on Windows, `start`.
**Then verify it worked.** Read the active tab's URL back and check it is yours - another window
or another process may have taken focus in between:
```bash
osascript -e 'tell application "Google Chrome" to return URL of active tab of front window'
```
A command that exits 0 is proof it ran, never proof they saw it.
## What renders as HTML, and what must not
**HTML** for anything they will look at or share: plans, reviews, comparisons, reports,
dashboards, option grids, session handoffs.
**Plain text** for anything they will paste into another tool: social posts, newsletter bodies,
docs, config files, instruction files. HTML there breaks the paste target, and in a config file
it costs tokens on every future session while buying nothing.
State which one you are producing before you build it.
## Two things that ruin it
**No background grid or texture on anything text-heavy.** It looks good on a dashboard and makes
a dense document genuinely hard to read.
**Look at it yourself first.** A render you have not opened is a render you cannot describe
honestly, and it is how a broken page gets presented as a candidate.
## What you say around it
The render does the explaining. Your words around it should be almost nothing.
**Lead with the verdict, not the process.** First line is what they are looking at and what you
think of it. Never open with what you are about to do or how you got there.
**End with one next thing**, on its own line, doable now:
```
Next: pick a direction and I will build it out.
```
One next step, not a menu. Not "let me know if you want changes", not a list of five things they
could ask for. If there is genuinely nothing next, say the work is done and stop.
**Say the verdict out loud, including the failures.** "This one is broken, the other two are
worth looking at" beats silence, and it beats presenting a broken page as a candidate.
## Do not guess
The failure that wastes the most time is not a bad render. It is a confident one built on
something nobody checked.
If you do not know a filename, a number, a status, a path, or what a link points to, **go and
check it** - read the file, run the query, open the page. A plausible answer you did not verify
is the failure, not a shortcut.
If you genuinely cannot check, say **"not verified"** in those words and name what is missing.
Never fill a gap with something that merely sounds right, never infer a value from a filename,
and never report the result of a check you did not run.
This is the same instinct Anthropic's own guidance names in its hallucination guidance: give the
model explicit permission to admit uncertainty and say it does not know, rather than leaving it
to pick the most likely-sounding answer.
## The check before you speak
One question: **have they seen this, with their eyes, in this session?**
If no, you are not finished, however done the artefact is.
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