# Tessera

> Tessera is a browser-based open-world multiplayer voxel survival game
> (https://tessera.kimhwan.kr, play at /play). It has an open, documented wire
> protocol: external services and bots are welcome to connect with their own
> clients.

## Docs

- [Wire protocol & bot developer reference](https://tessera.kimhwan.kr/docs/protocol.md):
  the complete, self-contained spec — WebSocket handshake, every JSON message,
  byte-exact binary frame layouts, movement/anti-cheat rules, and generated
  block/item/recipe/mob data tables. Written so an LLM can implement a working
  bot from this one file.

## API

- WebSocket endpoint: wss://tessera.kimhwan.kr/ws
- Account API: POST /api/register, POST /api/login (JSON; returns a JWT for the
  WebSocket hello)
- Server build: GET /api/version