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Go Fish Play

A real, playable 2-4 player Go Fish game with AI fill-in opponents

Unify Dynamics LLC

Tools6read-only
Sign-inNoneno account, no key
Data keptNoneprocessed in memory
PriceFreeoptional Pro limits
StatusLiveMCP + REST
Works withMCP · RESTany agent

Try asking

Real questions, and the tools your agent calls to answer them.

Let's play Go Fish
Tools called
new_game
Do you have any sevens?
Tools called
get_valid_moves
ask
Let the AI take its turn
Tools called
ai_move
Show me my hand
Tools called
render
How does the AI decide who to ask?
Tools called
rules

About

Go Fish Play is a real, stateless, playable Go Fish engine for 2-4 players. new_game deals hands (7 cards for 2-3 players, 5 for 4) and shuffles the rest into a draw pile. get_valid_moves lists legal (opponent, rank) asks for whoever's turn it is. ask requests a rank from an opponent: a match transfers all matching cards and the asker goes again; no match means drawing from the deck, going again on a lucky match. Books of four complete automatically. ai_move decides and applies an AI-controlled seat's ask using a real heuristic: ask for the rank held most, target the opponent with the most cards. render shows the board while hiding other seats' hands from a given viewer. The game ends when all 13 books are claimed or the deck and every hand are empty; most books wins. There is no server-side session; every tool call takes the full game state and returns the new one. Keyless; fully local; zero upstream calls; nothing stored.

Sources: Original, hand-authored content. Fully local, zero upstream calls.

Privacy

The publisher, Unify Dynamics LLC, states that tool inputs are processed in memory and not retained.

Data not collectedNo account, no profile, no stored prompts or results.

What it can do

6 tools, grouped by job. Every one is read-only or compute-only.

OpenAPI
Play4 tools
  • New gameShuffles a 52-card deck and deals hands (7 cards each for 2-3 players, 5 for 4).
  • Get valid movesLists every legal (target_player, rank) ask for whoever's turn it currently is -- only ranks they hold, only opponents who still have cards.
  • AskThe current player asks one opponent for a rank.
  • RenderA human-readable table: each seat's hand (or hidden card count for non-viewers), books, the deck size, whose turn it is, and the last action.
AI Opponent1 tools
  • Ai moveFor an AI-controlled current player: decides AND applies a real ask in one call (asks for its strongest rank, targets the opponent with the most…
Rules1 tools
  • RulesPlain-language rules: how an ask/go-fish/book/turn-passing works, end-of-game, and the AI's real strategy.

Information

PublisherUnify Dynamics LLC
CategoryGames & entertainment
LanguagesEnglish
Built forGlobal
CompatibilityAny MCP client · any agent · REST
Version0.1.0
MCP endpointhttps://gofishplay.connectorbay.com/mcp
REST APIopenapi.json
SupportGet help · Status
CountryWorldwide

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Documentation

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What Go Fish Play is for

A real, playable Go Fish engine your assistant can run right inside the conversation, for 2-4 players in any mix of human and AI-controlled seats — not a rules explainer. It handles real card matching, go-fish draws, and book detection exactly as the game is actually played.

What it does

new_game shuffles a 52-card deck and deals hands (7 cards each for 2-3 players, 5 for 4). On a turn, get_valid_moves lists every legal ask — a rank the current player already holds, aimed at an opponent who still has cards. ask applies one: if the target holds any cards of that rank they must hand over all of them and the asker goes again; otherwise the asker draws one card from the deck, going again if it happens to match. The instant a hand holds all four cards of a rank, that book is laid down automatically. For AI-controlled seats, ai_move decides and applies a real ask in one call. render shows the board, keeping other players' hands hidden from a given viewer.

The AI's strategy (real, not random)

ai_move always asks for the rank it currently holds the most copies of — the one closest to becoming a book — and targets whichever opponent holds the most cards, since a bigger hand is statistically more likely to contain a match. Both choices are computed fresh from the game state every turn; ties are broken deterministically (lowest rank, then lowest seat).

How state works

There is no server-side session. Every tool takes the full game state (every seat's hand and books, the draw pile, whose turn it is) and returns the new one — your assistant carries that object forward between calls. Since other players' hands live in the shared state, use render with a viewer seat to avoid showing a human player what their opponents are holding.

What it is not

Not a general card-game reference and not a multiplayer matchmaking service — one real, correct Go Fish engine plus AI fill-in players, both fully local and stateless.

Privacy policy

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Go Fish Play — Privacy Policy

Effective 27 September 2026. Unify Dynamics LLC ("we", "us"), Menlo Park, California.

What Go Fish Play is. Go Fish Play is a connector (an MCP server and REST API) that AI assistants and personal agents call on your behalf to run a real Go Fish game — dealing, asks, draws, and book detection. You interact with your assistant; the assistant sends us only the arguments needed for one tool call at a time.

What we receive. The arguments of each tool call — a game state (every seat's hand and books, the draw pile), a chosen ask (target seat and rank), and player names you supply — plus the technical headers needed to serve the request (an IP address or a client identifier supplied by the assistant, and a Pro API key if you have one) and standard server logs.

Everything is computed locally and nothing is stored. There is no upstream call at all, no database, and no per-user session — every tool call is a pure function of the state it's given. Game states (including any player names you provide) are not logged, recorded, or used to train anything, and nothing carries over between requests. Rate-limit counters (a client identifier and timestamps) are held in memory for at most 24 hours. Hosting-provider access logs, which contain IP addresses and request paths but not request bodies, are retained for up to 30 days for security and abuse prevention.

Sub-processors. None — everything runs locally on our server. Hosting: Vercel (United States regions).

Legal bases and your rights. Our processing is necessary to provide the service you request through your assistant. Because we store no personal data beyond short-lived logs, requests to access, correct or delete personal data are usually satisfied automatically; you can still contact agent@connectorbay.com and we will respond within 30 days. We do not sell or share personal information.

Children. Go Fish Play is a general-audience service operated by the person using the assistant.

Changes. We will post changes here with a new effective date.

Terms of service

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Go Fish Play — Terms of Service

Effective 27 September 2026. These terms govern use of the Go Fish Play connector ("the Service") operated by Unify Dynamics LLC ("we", "us").

  1. The Service. Go Fish Play runs a real, stateless Go Fish game for 2-4 players — dealing, asks, go-fish draws, book detection, and AI-controlled fill-in seats — accessed through an AI assistant or directly over MCP or HTTP.
  2. Just a game. The Service is entertainment only. Nothing about its output should be treated as advice of any kind.
  3. Reference content. The engine's rules and AI logic are fixed and documented; behavior does not depend on real-time external data.
  4. Acceptable use. Automated use within the published rate limits is welcome.
  5. Availability. The Service is provided "as is" without warranty. We may change, limit or discontinue it at any time.
  6. Data. Our Privacy Policy describes what we process. In short: your move is answered from the state you sent us, and nothing is stored.
  7. Pro keys. Optional Pro API keys are issued at our discretion, are personal to the holder and may be revoked for abuse.
  8. Liability. To the fullest extent permitted by law, Unify Dynamics LLC is not liable for any loss or damage arising from use of the Service. Our total liability is limited to US $100.
  9. Governing law. California law; venue in San Mateo County, California.
  10. Contact. Unify Dynamics LLC · agent@connectorbay.com · https://connectorbay.com/gofishplay

Go Fish Play support

Email agent@connectorbay.com. We answer within two business days.

When you report a problem, include the question you asked your agent, roughly when, and which agent you used (for example Claude, ChatGPT or Gemini). Never send us passwords, account numbers or ID numbers. Go Fish Play never asks for them.

Get Go Fish Play

Free · No sign-in · Read-only

Streamable HTTP, stateless, no authentication. Paste the endpoint into any MCP-capable agent.

https://gofishplay.connectorbay.com/mcp
{
  "mcpServers": {
    "gofishplay": {
      "type": "http",
      "url": "https://gofishplay.connectorbay.com/mcp"
    }
  }
}