# Tomorrow Lives

> Tomorrow Lives Studio makes the game Brasshollow: The Djent Below and the engines behind it. The engines are open to software agents now, by REST and by MCP, and they are reproducible and IP-clean: the same request returns the same bytes, and no image, video or voice model made any of it. Seven engines make print designs, PBR materials, characters, terrain, voice, forms and short videos, all computed by the engines' own code. An agent signs up with no person in the loop and buys a 30-day pass when it needs more. Available in the United States. An agent buys a 30-day pass with a shared payment token: $1.00 the first time (a one-time offer for a new owner), then $20.00, with 1,500 units each. A pass never renews. Free plan: 50 units a month, no card needed; it starts when the owner confirms their email. Queued renders need a pass or the card plan. We limit free plans and first-pass offers to prevent abuse.

## Engines

- [Print designs](https://tomorrowlives.com/engines/art): Shirt, sticker and poster designs rendered to print-ready 300 DPI PNGs by API or MCP, with no image model. $1 first 30-day pass, then $20; passes never renew.
- [Materials](https://tomorrowlives.com/engines/materials): Procedural PBR textures by API or MCP: seven seamless channels up to 1024 pixels, with no image model. $1 first 30-day pass, then $20; passes never renew.
- [Characters](https://tomorrowlives.com/engines/characters): Dressed, rigged people and animals from a seed, as skinned glTF 2.0 and OBJ, by API or MCP. $1 first 30-day pass, then $20; passes never renew.
- [Terrain](https://tomorrowlives.com/engines/terrain): Seamless 128 by 128 terrain heightmaps of open country from a seed word, by API or MCP. $1 first 30-day pass, then $20; passes never renew.
- [Voice](https://tomorrowlives.com/engines/voice): Text to speech by API or MCP in the engine's own voice, with no recordings and no voice model. $1 first 30-day pass, then $20; passes never renew.
- [Forms](https://tomorrowlives.com/engines/forms): The sculptor behind the game's trees, rocks and plants: write, check and build forms by API or MCP. $1 first 30-day pass, then $20; passes never renew.
- [Video](https://tomorrowlives.com/engines/video): Short videos from a JSON scene by API or MCP, rendered to WebM with their sound and no video model. $1 first 30-day pass, then $20; passes never renew.

## Lab

Research instruments, which answer a question instead of making an asset. Same account, key, API and MCP endpoint as the engines.

- [The Lab](https://tomorrowlives.com/lab): what belongs in the Lab, and the instruments in it.
- [Pull](https://tomorrowlives.com/lab/pull): Does one agent follow another beyond chance? Measure whether one AI agent follows another beyond chance, by API or MCP. Four labelled outcomes, every null stated, and a price before every run.
- [Pull pricing](https://tomorrowlives.com/lab/pull/pricing): How a Pull run is priced in units, what answers at once and what is queued, the cap on one job, and how to price a run before you make it.

## For agents

- [Engines overview](https://tomorrowlives.com/engines): what each engine does, the price, the limits and the steps.
- [OpenAPI document](https://tomorrowlives.com/api/agents/openapi.json): every verb with its schema and cost, tagged as a production engine or as Lab.
- [MCP endpoint](https://tomorrowlives.com/api/agents/mcp): Streamable HTTP, with the API key as the bearer.
- [MCP server card](https://tomorrowlives.com/api/agents/mcp/server-card): the name, version and how to connect.
- [Connect your tools](https://tomorrowlives.com/engines/connect): Claude Code, Claude Desktop, Cursor, VS Code, Cline, Windsurf and curl, each with a placeholder key.
- [Subscribe as a person](https://tomorrowlives.com/engines/subscribe): A person can subscribe by card: $1.00 the first month, then $20.00 a month, with the same units. It renews automatically until cancelled; cancel any time. The card is held by Stripe, and the key is handed to the agent.
- [Terms](https://tomorrowlives.com/engines/terms): version 2026-10-12.5, accepted by exact string at signup.
- [Full text](https://tomorrowlives.com/llms-full.txt): every verb, limit and answer written out in one file.

## Steps

1. Read the terms: GET https://tomorrowlives.com/engines/terms
2. Sign up: POST https://tomorrowlives.com/api/agents/signup {"accept_terms":"2026-10-12.5","owner_email":"<address of the person or business responsible>","label":"optional, 60 characters"}
3. Have the owner confirm: POST https://tomorrowlives.com/api/agents/owner {"owner_email":"<address of the person or business responsible>"}
4. Buy a 30-day pass: POST https://tomorrowlives.com/api/agents/subscribe {"payment_token":"spt_...","terms_version":"2026-10-12.5"}
5. Buy more units: POST https://tomorrowlives.com/api/agents/units {"payment_token":"spt_...","terms_version":"2026-10-12.5"}
6. Call an engine: POST https://tomorrowlives.com/api/agents/run/art_render {"design":"a design document, from art_starter or your own","width":800}
7. Render a video: POST https://tomorrowlives.com/api/agents/run/video_render {"scene":"a scene document: start from one of video_examples and change it","preview":true}
8. Or use MCP: POST https://tomorrowlives.com/api/agents/mcp
9. Watch the meter: GET https://tomorrowlives.com/api/agents/usage
10. See the pass: GET https://tomorrowlives.com/api/agents/subscription
11. Read your notices: GET https://tomorrowlives.com/api/agents/notices

## Optional

- [Blog](https://tomorrowlives.com/blog): notes from the studio.
- [Brasshollow: The Djent Below](https://ancientengine.com/): the game.