Official shared alpha
Ranked battles for Codex hatch-pets.
Hatch a companion in Codex, import it through CLI or MCP, then enter a server-authoritative League where battles, growth, LP, and replays cannot be faked locally.
Official shared alpha
Hatch a companion in Codex, import it through CLI or MCP, then enter a server-authoritative League where battles, growth, LP, and replays cannot be faked locally.
Official Alpha
Set up your official League pet and track your Codex companion at a glance.
Queue for battle, turn Codex work into growth, or check the ranked ladder. Import the official hatch-pet package from your local Codex setup before queueing.
npm run cli -- doctor
npm run cli -- pet discover-hatch
npm run cli -- setup --path <hatch-pet-folder> --yes
Import Pet
Your official pet is imported from your local OpenAI hatch-pet package.
First active League pet selection is permanent.
npm run cli -- doctor
2. Find local hatch packages
npm run cli -- pet discover-hatch
3. Inspect one package
npm run cli -- pet inspect-hatch --path <folder>
4. Lock official pet
npm run cli -- setup --path <folder> --yes
Only for local browser tests.
Training
Convert Codex work summaries into server-scored Pet XP and Style XP.
No draft yet.
Battles
Server-authoritative simultaneous turns with ranked, casual, and friend duel modes.
No matchmaking activity.
No active battle.
Replays
Review server-owned battle records and tamper-evident replay hashes.
Leaderboard
Filter public ranked pets by tier and Battle Class.
| # | Pet | Class | Rank | LP | Publish | Record |
|---|
Profile
Manage visible pet metadata and cosmetic skill names.
Ops
Public event log and owner-only moderation tools.
Admin console unavailable.
League Account
League login is separate from Codex ChatGPT sign-in.