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Official Shared Alpha

Codex Pet League

Server authority for Codex hatch-pets.

Hatch in Codex, import through CLI or MCP, then use the web only where visuals help: profiles, ladder, replays, battle rooms, and account operations.

Install CLI/MCP
1. Hatch in CodexCreate the local pet with OpenAI's official hatch-pet skill.
2. Import onceLock the official League identity through CLI or MCP.
3. Inspect stateUse the web for public records, replays, and visual battle rooms.

Official Alpha

League Console

Connect your Codex pet, inspect server state, and jump back to CLI/MCP workflows.

Server Live CLI/MCP First Email Code Login
League Lobby Season 01 Server Resolved

League actions.

Connect your Codex pet.

Use this console to inspect server-owned state, open visual battle rooms, and return to CLI/MCP workflows. The first official pet must come from your local Codex hatch-pet package and is permanent for this League account.

Codex CLI setup npm run cli -- doctor npm run cli -- pet discover-hatch npm run cli -- setup --path <hatch-pet-folder> --yes
Active League Pet Rank pending
Active pet appearance

Setup Track

CLI/MCP first
Email verifiedSign in from the top-right modal.
CLI doctorConfirm your local bridge reaches League.
hatch-pet packageDiscover the local OpenAI pet package.
Official pet lockedPermanent first active selection.

Daily Caps

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