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Deploy a web game to a playable multiplayer URL with rooms, state sync, and leaderboards.
About
Deploy a web game to a playable multiplayer URL with rooms, state sync, and leaderboards.
Security Report
This is a well-engineered MCP server with strong security practices. Authentication is properly handled through credential loading and environment variables, with appropriate fallback to keyless mode for public deploys. Code quality is high with proper input validation, error handling, and no obvious malicious patterns. Permissions are appropriate for the stated purpose (game deployment service with API integration). A minor finding regarding overly broad exception handling does not significantly impact the security posture. Supply chain analysis found 3 known vulnerabilities in dependencies (0 critical, 3 high severity). Package verification found 1 issue.
5 files analyzed · 6 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-antics-gg-antics-mcp": {
"args": [
"-y",
"antics-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
antics-mcp
Multiplayer for your game, in one prompt. An MCP server that lets an AI agent generate a web game and deploy it to a playable multiplayer URL — rooms, live state sync, and leaderboards — inside a single conversation.
AI can write a whole game — a single HTML file or a multi-file project — but it can't stand up
a server, so everything it builds is single-player. antics-mcp is the missing piece: your
agent writes the game, calls one tool, and hands you back a link your friends can open. No
backend, no player accounts.
→ antics.gg · full API in one file: antics.gg/llms.txt
Install
Claude Code:
claude mcp add antics -- npx -y antics-mcp
Claude Desktop / Cursor / any MCP client — add to your MCP config
(claude_desktop_config.json, Cursor's mcp.json, etc.):
{
"mcpServers": {
"antics": {
"command": "npx",
"args": ["-y", "antics-mcp"]
}
}
}
Then just ask: “Make a 2-player game and deploy it.” The agent writes it, calls deploy_game,
and returns a playable URL — no copy-paste, no site visit, no login.
Tools
| Tool | What it does | Login? |
|---|---|---|
deploy_game | Deploy a game (html for a single file, or files for a multi-file project) → returns a playable multiplayer URL. Keyless (ephemeral room) unless given a projectId. | No |
create_project | Create a project; returns its id, publishable key (pk_), and secret key (sk_, shown once). | Yes |
get_leaderboard | Read a project's leaderboard (top scores). | Yes |
list_projects | List your projects. | Yes |
set_share_preview | Brand how a project's room links unfurl on social — title, description, and image. | Yes |
deploy_game works without any login — it returns an ephemeral, keyless URL you can share
immediately (rooms hold 8 players and last 24h). To persist links + leaderboards and raise the
limits, sign in once with npx antics-cli login (GitHub), then the owner-scoped tools unlock and
deploy_game can target a project.
How the multiplayer works
Your agent doesn't need to know any of this up front — antics.gg/llms.txt
is the complete API in one file, written so an LLM can integrate it one-shot. In brief: a game
calls joinRoom({}), shared room state is host-authoritative with per-player slices, writes
coalesce to ~20 Hz, and a leaderboard is one submitScore() call. The deployed game runs at a
/r/<code> URL with an invite link + QR built in.
Links
- Site: https://antics.gg
- Docs / API reference: https://antics.gg/docs · https://antics.gg/llms.txt
- Try a demo (no install): the four games on antics.gg were each generated one-shot from the docs.
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