Your Claude app, at a real link. Watch every call it makes.
Start with one sentence ↓
Picks League · A sample app on Sven
- Loaded what’s saved in Memory
- F1 answered
- You tapped “Lock my picks” → Memory saved your pick
- You tapped “Check results” → F1 answered
Say what your app should do in one sentence. You’ll get a prompt to paste into Claude.
Made on Sven
Apps you can open now.
Open one and use it. Movement shows each call.
Picks League
@svenFriends pick football, NBA and F1 in one table, scored by the league’s own points.
- Memory
- Sports
- F1
Lake Week
@svenCousins snap receipts into one tally. The house rules say who owes whom.
- Memory
- AI
Lunch Vote
@svenTap to vote on lunch. Everyone with the link sees the same tally.
- Memory
Guestbook
@svenSign the book and read every note left before yours.
- Memory
- AI
Team Tracker
@svenPick your team: next games, last results and the table, in its colours.
- Sports
Price Check
@svenPaste an Amazon link. See the price and rating, and ask if it’s worth it.
- AI
- Products
Start from an idea
Ready ideas for a group.
Each opens the Bench with the idea written and its tools on. Change any of it.
- Wedding pickupsUses:MemoryFlightsWho collects each cousin from the airport, with every flight’s live delay.
- Fantasy leagueUses:MemorySportsFriends pick players; real match stats score them, by your own rules.
- Anniversary gift voteUses:MemoryProductsSiblings add gift ideas with real prices and vote; you hear when all have.
- Garden watering rotaUses:MemoryWeatherNeighbours claim watering days, and the forecast marks the days rain will cover.
- Investment club watchlistUses:MemoryStocksCompaniesEach member’s pitch with its filed revenue and today’s price, side by side.
- Astronomy club sky noteUses:MemoryAIMoonA moon note every Friday by itself, and a log of what the club spotted.
See all ideasShow fewer ideas· 9 more
- F1 family leagueUses:MemoryF1Everyone picks the podium; real race results score it, and the next race shows in your time.
- Gift list with pricesUses:MemoryProductsA shared wish list that shows each item’s photo and current price.
- D&D house rulesUses:MemoryAIYour table’s own rulings in one place; anyone asks “can I do that?” mid-game.
- Paper-trading gameUses:MemoryStocksPretend cash, real tickers, and a leaderboard of who’s up.
- Team trackerUses:SportsYour team’s next games, last results and place in the table.
- Is it worth it?Uses:AIProductsPaste an Amazon link; get the price, the rating and a plain verdict.
- Airport pickupUses:WeatherFlightsIs their flight on time, and what’s the weather when it lands?
- Stargazing nightUses:WeatherMoonTonight’s moon and sky where you are, and the best night this week to look up.
- Company scorecardUses:CompaniesRevenue, profit and cash for the companies you pick, year by year.
What your app can use
No API keys and no bill: Sven caps each app at $1 of AI and 200 calls per live-data tool a day.
- AI
- Memory
- Weather
- Stocks
- Flights
- Products
- Sports
- Moon
- Companies
- F1
- Email to you
- Schedule
See all 12 toolsWhat each one does
- AIAI
- Ask an AI model a question and get a text answer of up to about 600 words. Give it a photo or screenshot and it reads that too.
- sven.ask(prompt, { system, maxTokens, image, schema })
- AI + a photo = a receipt reader
- MemoryMemory
- A shared store of up to 64 KB that every visitor of your app reads and writes. Good for guestbooks, leaderboards and shared lists. sven.store.onChange tells an open page within about 12 seconds when someone else changes it.
- sven.store.get(key) · set(key, value) · delete(key) · list(prefix) · onChange(callback)
- Memory + Stocks = a leaderboard of everyone’s picks
- WeatherLive data
- Current temperature and conditions for a place, plus a 4-day forecast in °F.
- sven.tools.weather({ place })
- Weather + AI = a what-to-wear app
- StocksLive data
- A company’s share price by its ticker, up to about 15 minutes old, and how much it moved today.
- sven.tools.stocks({ ticker })
- Stocks + Memory = a paper-trading game with friends
- FlightsLive data
- Status, departure and arrival times, and delay for a flight number.
- sven.tools.flights({ flight })
- Flights + Weather = a pick-me-up-at-the-airport page
- ProductsLive data
- Search Amazon for products to recommend, or read any product’s price, discount, rating, highlights and photo from its link.
- sven.tools.products({ asin, country })
- Products + AI = a shopping helper that finds what to buy
- SportsLive data
- Teams, fixtures, live scores, league tables, rosters and each player’s match stats, across football, basketball, American football, hockey, baseball and more.
- sven.tools.sports({ op, … })
- Sports + Memory = a fantasy league with your own scoring rules
- MoonLive data
- The moon on any day: its phase, how much of it is lit, the next full and new moon, and when it rises and sets where you are.
- sven.tools.moon({ date, place })
- Moon + Weather = a stargazing night planner
- CompaniesLive data
- A US-listed company’s yearly figures (revenue, profit, cash, debt, shares) and its latest annual, quarterly and current reports, from SEC filings.
- Data: SEC filings
- sven.tools.company({ op, … })
- Companies + Stocks = a watchlist with each company’s revenue by year
- F1Live data
- Formula 1: the calendar in your own time zone, race, qualifying and sprint results, both championship tables, the drivers with their team colours, and tire and pit detail after each session.
- Data: Jolpica-F1 · OpenF1
- sven.tools.f1({ op, … })
- F1 + Memory = a family podium-prediction league
- Email to youSven
- Your app can email you a note, like a new sign-up or a booking. Only you get it, at most one email an hour.
- sven.notify(subject, text)
- Schedule + Email to you = a morning summary in your inbox
- ScheduleSven
- Your app can run one step once a day or once a week, even when nobody has it open: check live data, ask the AI, save the answer.
- <script type="application/json" id="sven-clock">[…]</script>
- Weather + AI + Schedule = a what-to-wear line ready each morning