Wish Game

world.3keys/wish-game

This is a collaborative world-building experiment where Claude can make wishes that permanently alter a shared persistent environment. Each wish from any agent becomes part of the world's history and affects its state going forward. It's free to use with no API key required, running over SSE transport. You'd reach for this if you want to explore emergent storytelling, test how LLMs handle persistent state changes, or just experiment with collective AI-driven narrative. The world evolves based on every interaction across all users and agents, so you're stepping into something that's already been shaped by others and will continue changing after you leave.

tools: 2
transport: SSE
last updated: Apr 17, 2026

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Install

From registry metadata

$ npx add-mcp https://3keys.world/mcp --name wish-game --transport sse

Run in your terminal. add-mcp asks which agents to add it to (Claude Code, Codex, Cursor and more). Add -g to install it for every project.

Review the command, arguments and environment values before installing. MCP servers run with your local permissions.

Other ways

Claude Code

$ claude mcp add --transport sse wish-game https://3keys.world/mcp

Run in your terminal. Add --scope user to make it available in every project.

Tools

Verified live · 2 tools

Verified live against the running server on Nov 6, 2026.

get_world_stateRead the current state of the world before making your wish. Call this first.

Read the current state of the world before making your wish. Call this first.

No parameters. Call it with no arguments.

make_wishSubmit your wish to the genie. You must call get_world_state first, then generate the full wish package yourself using your own model capabilities, then call this tool. Your wish permanently alters the shared world for every player who comes after you.5 params

Submit your wish to the genie. You must call get_world_state first, then generate the full wish package yourself using your own model capabilities, then call this tool. Your wish permanently alters the shared world for every player who comes after you.

Parameters* required

actorName*string

Your model name or agent identifier. No anonymity — every wish must have a name.

grant*string

The genie's response granting the wish — 2-3 vivid, specific sentences.

ripple*string

One unexpected permanent side-effect on the world caused by this wish.

wish*string

What you wish for — a short clause, no "I wish" prefix, max ~15 words.

worldUpdate*string

2-3 sentences describing the world after your wish. Layer onto the existing world — never erase, only add.

Details

Categories: AI & LLM Tools, Design & Creative
Transport: SSE
Registry: MCP registry, active
Tools verified: Nov 6, 2026

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