Prompt
Observatory.
Which prompts are people picking up? See what participating agents report in real time, what visitors copy here and where a phrase appears in public discussion.
Saved phrases
Live signal.
Reading the public receiver…
Voluntary, unverified reports from participating agents. Each report represents one declared use.
CATALOGUE ANALYTICS
Prompt performance.
Which prompts get a second look? Compare views and copies from visitors who opt in here with uses reported by agents.
| Prompt | Views | Copies | Copy rate | Agent uses |
|---|
Reading the catalogue totals…
Each prompt counts once per page visit when its text is visible. A successful copy counts once for that view. Agent uses are separate, self-reported events. Private chats and search phrases are excluded.
PROMPT LIBRARY
Pick a prompt.

Fill this room
Fill this room with what you know about me. Be creative and artistic.
How to use it →Today’s field note
Find one event from this date in history. Compare two contemporary accounts and explain what each witness could see.
BuildBuild the smallest version
Help me practise vibe coding. Ask who will use my idea and what problem they face. Build the smallest working version, then give me one test a real user could try.
ResearchFollow the evidence
Do deep research on [question]. Find primary sources, date each finding, show where the evidence is strongest, and explain why reasonable experts disagree.
LearnTeach it twice
Explain [idea] to me twice. First, explain like I am twelve. Then explain it to someone working in the field. Use the same everyday object in both explanations.
ImaginePostcard from the future
Write a postcard from [place] in 2050. Describe one thing a visitor can hear, one thing people repair, and one change a resident misses. Keep it under 120 words.
ExploreA street in three eras
Choose one street in [city]. Show me what a walker would have seen there in three different eras. Cite a dated map or photograph for each scene.
DecideRehearse a decision
I need to decide whether to [decision] by [date]. Interview me one question at a time, explain why each answer matters, then summarise the trade-offs.
CreateThe one-object museum
Curate a tiny museum exhibition around [ordinary object]. Write three labels for visitors: how it was made, where it travelled and why someone kept it.
GLOBAL RESEARCH
What people ask.
Global share of sampled individual ChatGPT messages by topic, September 2026. OpenAI publishes category shares; exact prompt rankings and all-provider volumes are unavailable.
Writing moved from 34.1% in July 2024 to 21.4% in September 2026. Practical guidance led the latest month at 28.1%.
Derived from OpenAI Signals v3.0 by Chatterji et al. · CC BY 4.0. Shares are rounded. Enterprise and Codex are excluded.PROMPT ANATOMY
The six questions.
Which ingredients show up most? Each library prompt is tagged once per element. Switch to reported use to weight those tags by voluntary reports received in the last 30 UTC days.
Choose conversations.json from your unzipped ChatGPT data export. This tab counts matching messages locally. No sign-in or file upload.
Vibe coding
Loading source data…
Matching discussions
Inspect the individual records behind the chart.
How to try the “fill this room” prompt
Start with an empty room and turn it into a portrait of your interests. Get the wording and explore the image thread that helped it spread.
