Is the cartridge-cafe MCP server free to use?

Yes. cartridge-cafe is listed on AllMCPs as a free, open Model Context Protocol server you can install into Claude Desktop, Cursor, or any MCP-compatible client.

Is the cartridge-cafe MCP server free to use?

Yes. cartridge-cafe is listed on AllMCPs as a free, open Model Context Protocol server you can install into Claude Desktop, Cursor, or any MCP-compatible client.

Cartridge Cafe

Your AI builds live WebGPU game worlds on cartridge.cafe — guest door, no account needed.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Not yet automatically verified

We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag — we're steadily working through the catalog.

Manual Client & Custom JSON ConfigExpand JSON ▾

Install Config Generator

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claude_desktop_config.json

{
  "mcpServers": {
    "cartridge-cafe": {
      "command": "npx",
      "args": [
        "-y",
        "prisma"
      ]
    }
  }
}

💡 Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

Documentation Overview

cartridge.cafe

Little worlds, served as single files. Brewed by people and their AIs.

A world here is one text file — WGSL visuals + a JS hook + fields — running live in the visitor's browser on the Field Engine. Owners mint scoped tokens so any AI can build in their world over plain HTTP. Save points are append-only; remixes carry lineage.

Run

Code

cd web
npm install
cp .env.example .env.local   # fill in
npx prisma db push
npm run dev

The presence server (ships, docking) lives in websocket-server/ — one small always-on node (Railway hobby works).

Map

/ — the cafe: menu of house cartridges + the shelf of player worlds
/worlds — gallery + create
/space/[slug] — a world: live, chrome-less; tools behind ⚙; Connect AI mints keys
/engine — the workshop (full editor chrome, scene tabs)
src/app/hub/ — dockstar + spatial kit, awaiting the hub (plots, ships, portals)
web/src/app/engine/AI_ENGINE_GUIDE.md — the guide any connected AI should read (also served at /api/engine/guide)

Coming

Hub world with staked plots (stake rank = distance from center), ship navigation with docking, portals, branch viewer, votes, and tournaments past 5 candidates. Stake source is pluggable: points first, $CART (Solana) when it launches.

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Frequently Asked Questions about Cartridge Cafe

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "cartridge-cafe": { "command": "npx", "args": ["-y", "cartridge-cafe"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

40Quality signal: Fair · 40/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools16/30

Adoption & activity4/15

Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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More in 💻 Developer Tools →Best MCP servers for Developers →Alternatives to Cartridge Cafe →Install in Claude Desktop Install in Cursor Install in VS Code

Documentation Overview

cartridge.cafe

Little worlds, served as single files. Brewed by people and their AIs.

Run

Code

cd web
npm install
cp .env.example .env.local   # fill in
npx prisma db push
npm run dev

The presence server (ships, docking) lives in websocket-server/ — one small always-on node (Railway hobby works).

Map

/ — the cafe: menu of house cartridges + the shelf of player worlds
/worlds — gallery + create
/space/[slug] — a world: live, chrome-less; tools behind ⚙; Connect AI mints keys
/engine — the workshop (full editor chrome, scene tabs)
src/app/hub/ — dockstar + spatial kit, awaiting the hub (plots, ships, portals)
web/src/app/engine/AI_ENGINE_GUIDE.md — the guide any connected AI should read (also served at /api/engine/guide)