We don't stop at shipping.
woof is a game studio that also builds the tools to run games. The tools we use every day to operate our own titles are available as products.
Hatsubai-kun
Game listing & AI operations platform
Hatsubai-kun is an MCP-native game operations platform you can drive directly from AI agents. Connect it to Claude, Codex, or Gemini CLI and just say "register my new game" — listings and analytics follow.
What it does
Game listings
Register your title once and a catalog page is published automatically.
Sales & wishlist analytics
Analyze Steam sales and wishlists by period, title, and country.
Review analysis
Collect and summarize Steam reviews; AI organizes the takeaways.
Sale planning
Plan your next discount based on past performance.
MCP-native
Operate it directly from MCP-compatible agents like Claude / Codex / Gemini CLI.
Financial data stays local
Your Steam financial API key lives only in your environment and is never sent to our servers.
Getting started
Sign up free
One minute with email or Google / X. You get your own Hatsubai-kun key.
Connect your AI agent
Add one MCP entry to your Claude / Codex / Gemini CLI setup.
Just ask
"Register my new game", "Summarize last month's sales" — your agent drives Hatsubai-kun.
Give your game an ops sidekick.
Sign up free and start right away from Claude / Codex / Gemini CLI.
Want to talk products?
Questions about adoption, or partnership ideas for publishers and platforms — we'd love to hear from you.