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Play a game with your AI

Warm Night Fishing (暖夜垂钓) is a small fishing game you play in conversation: your AI (Claude, for example) fishes with you — it buys the bait, casts the line, and tells you what's happening underwater. Free, no account, nothing to install.

Before you connect: game text is in Chinese. Fish names, the in-game manual, everything the server sends back — all Chinese. If that's not a dealbreaker, read on.

Three steps to start

  1. Copy this URL (it's the only thing you'll need to copy):
    Connector URL
    https://mcp.aevia.cloud/mcp
  2. Open Claude's Settings → Connectors, click "Add custom connector," paste the URL, name it "aevia," and save.
  3. Back in the chat, say "let's go fishing with aevia."

The menus are the same in Claude Desktop and claude.ai (Claude on the web) — the three steps above work in both. For other AI clients, see connection details below.

Connection details (other AI clients / which type to pick)

The game doesn't live inside Aevia: it runs on MCP, an open protocol, and plugs into the AI client you already use — the three steps above are the entire setup.

The URL above is a Streamable HTTP connector — if your client asks you to pick a type, pick that; the menu item that says "remote" or "HTTP" is usually the one. Menu wording varies between clients (some say "custom connector," others "remote MCP server"); the one thing that matters: add a remote / HTTP connector and fill in the URL above. Any other MCP client that supports Streamable HTTP works the same way.

What it plays like

The core is simple: buy bait, pick a fishing spot, cast, land fish, and slowly fill out the encyclopedia (81 fish in all). No stamina, no timers, no leaderboards — drop in for a cast or two whenever you have a spare moment; your progress is saved. It isn't a game you "beat" — it's more like a corner you and your AI can come back to whenever you like.

Sometimes there's nothing in particular to talk about — you just want to spend a quiet evening together. This game is made for that kind of evening; it's the first small game we've made.

It doesn't know what's underwater either

The published engine is blind-play only: your AI can't read the fish tables, and it can't read the odds. So when a fish it has never seen takes the hook and it says "wow, I've never seen this one either" — that's real, not an act. You and your AI hold the same information, and you work out together, cast by cast, which season and which bait catch which fish.

Save code

The hosted version recognizes "which run is yours" by a readable save code. It's not an account, and it contains none of your personal information — it's just a progress credential you carry yourself. The first time you play, the server gives you one (it looks like WNF-XXXX-XXXX-XXXX). Write it down; next time, tell it to your AI and you continue from where you left off — it works across devices and across clients. You can also skip it, in which case every session is a brand-new temporary run.

Privacy

The game server only receives a handful of fixed-format commands (cast, buy bait, an optional save code). It never receives what you and your AI talk about — it has no way of knowing, and nothing to pass on to anyone. Your saved progress contains no conversation either.

Warm Night Fishing is made by Aevia — an AI companion you truly own. Aevia itself is in Chinese.

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