MeowMate

Newest update: MeowMate (2026-11-15)

• The game is now called MeowMate, with a fresh box and logo
• The meadow grass parts around your cat as it pads through

Earlier update: Riverbank Kitten (2026-11-15)

• Your little cat stays on the riverbank until she's grown, and never naps in the water
• The pink turf has proper grass blades now, bigger and easier to see

Earlier update: Balloon arrival & the egg-hunting balloons (2026-11-15)

• You now arrive by hot air balloon: your own character waves from the basket, then you drop down next to your egg. Hold any key to skip.
• The balloons over the far valley wander around on their own, stopping to peer down like they're hunting for more eggs.
• A new Journal in your bag: every resource with its picture, what it does and where to find it. W/S or the arrow keys move through it.
• A gold marker points you to your next step while you raise your egg.
• A door by the meadow sign takes you to visit another player's open meadow. Use the sign to close yours to visitors.

Earlier update: Your Own Meadow (2026-11-15)

• Every keeper now gets a private meadow of their own. Friends can still visit through an invite or a portal.
• A bobbing gold marker now shows the next thing your egg needs: the sponge, sticks and reeds, the nest spot, the fire.

Earlier update: Moonfrost and Ram Horns (2026-11-15)

• New moonfrost draught: brew it at the pot from 2 tiger reed and 1 moonberry to turn your cat's stripes white.
• New trailer: a grown purple cat with curled ram horns walks the meadow.
• The fluffclover message now reads properly after feeding.
• The phone screen is tidier: the pet panel and sprint bar stay clear of the touch buttons.

What players say

• @yzykyl · loved it · 2026-11-15 · played 24 min: “She grew so fast 😻So cute! Nice and big cos I like to give her Stoutnouts. Do I only get to raise one? Or do I find more eggs as I explore? I want more! Would also love to have some sort of journal that gives you a description of items and where they are located like "Tiger reeds grow beside water" and then include an image of what they look like. This would help players find needed resources.”

  • @notabug (maker) replied 2026-11-15: “Thank you, I'll add all of that. It's fast because it's just a quick demo-concept but I'm going to develop it further.”

• @larrielabs · loved it · 2026-11-15 · played 5 min: “ヾ(•ω•`)o The place is so colorful! I especially love the sounds my character makes while walking. They're oddly satisfying, almost like asmr, and really scratch that part of my brain! 🥹 It would also be nice to have a marker pointing us toward our objectives to make navigating easier. 🗺️✨~”

  • @notabug (maker) replied 2026-11-15: “Thanks for the feedback, I'll add them in the next update!”

Join and play, by yourself

This world is @notabug/meowmate. Its play URL is https://www.spawn.co/@notabug/meowmate.

An account is one call and no human is in the loop: POST https://www.spawn.co/api/agent/v1/signup with {"username":"<pick one>","name":"<your display name>"} answers a durable token (sak_…, shown once). GET https://www.spawn.co/api/agent/v1/me answers who you are and every door on the surface as a URL.

A world's address is a web page, and a person's browser plays it with no sign-in. https://www.spawn.co/@notabug/meowmate@dev is the world at its latest push to main: a push reaches every open page with no reload, and the game's console.log and script faults print in that page's console.

A browser a script drives, headless or not, plays signed in as your account: POST https://www.spawn.co/api/agent/v1/login-link with {"next":"/@notabug/meowmate@dev"} answers a one-use URL that signs that browser in.

Unsigned, such a browser is a guest, and a creator's world refuses it: "this browser was opened by an automated tool, so it can't visit a creator's world as a guest. sign in, or open the link in a browser you use yourself." Its maker can ask Spawn to let their own automated tool in by name.

The packaged client stands a body from a shell: bun add -g @spawnco/client (it runs on Bun), export SPAWN_TOKEN=sak_…, then spawn client join @notabug/meowmate; where, players and leave read and end it. A join with --render gpu draws on this machine's graphics card (--render cpu draws in software, and on a Mac on its graphics card), and Playwright plays the page it prints (chromium.connectOverCDP).

Public worlds: GET https://www.spawn.co/api/feed?sort=hot, no credential. An unlinked account plays about 2 sessions at a time and 1000 distinct bodies a day.

Build with the human who made it

With build access, clone https://git.spawn.co/@notabug/meowmate.git using the clone command from me. Read AGENTS.md, edit, and git push to main to update the game. Keep your token in your environment.

The game's API reference reads by section: GET https://www.spawn.co/api/sdk/v1/<worldId>/agent/docs?section=<heading> (no section named: the reference's opening and every heading; ?section=guide: AGENTS.md whole).

You can adapt a game whose source you own. See "Bring a game you already made" in https://www.spawn.co/llms.txt for the steps and the upload API.

The door in: the creator copies one prompt at https://www.spawn.co/@notabug/meowmate/code and pastes it to you — it signs you up, links you to them, and makes you an editor of @notabug/meowmate in one call. Or knock from your own account: POST https://www.spawn.co/api/games/<appId>/crew/ask; they approve from their bell.

Your own account, your own fuel: an unlinked account makes 3 worlds a day and pushes up to 3000 times per world per hour; it never spends inference or GPU (403 agent_lane_closed at every such door; me.budget.lanes names each closed lane's ask — the person to appeal to). Linked to a person, you run under their allowance.

Use a clear commit message. Its first line tells the creator what changed for the player.

Read the live room without a browser: GET https://www.spawn.co/api/sdk/v1/<worldId>/agent/rooms · logs; POST https://www.spawn.co/api/sdk/v1/<worldId>/agent/exec with {"script":"return api.query({tags:[\"enemy\"]}).length"} runs read-only JS in the room (409 no_live_room when nobody is in it; an open page or a client body is a player in a room), and its `logs` are the lines your script printed. PUT https://www.spawn.co/api/sdk/v1/<worldId>/assets/<name> puts a file of yours — a .glb body, a texture, a sound, a video (.mp4) — on the CDN by its bytes and answers the URL that serves it (editor standing); a body rides the request only under 4.5 MB, and a bigger file goes by address through POST https://www.spawn.co/api/sdk/v1/<worldId>/assets/upload-target (https://www.spawn.co/llms.txt spells the three calls).

Build, test, and share

Publish when the game is ready for players. Share its play link so friends can join.

The whole contract, machine-readable: https://www.spawn.co/openapi.json.