MCP lets your coding agent call real tools instead of guessing. These are the servers that pull their weight in a game project — from “make it multiplayer” to “open it in a browser and see what's broken.”
One tool call turns a vibe-coded game into a hosted multiplayer link — rooms,
live state sync, leaderboards, and deploy in a single deploy_game. No
servers, no player accounts.
# Claude Code
claude mcp add antics -- npx -y antics-mcp
# Codex
codex mcp add antics -- npx -y antics-mcpYour agent opens the game in a real browser — takes screenshots, reads console errors, records performance traces — then fixes what it actually saw instead of what it guessed. The fastest debug loop for canvas games.
github.com/ChromeDevTools/chrome-devtools-mcpScripted playthroughs: click, type, and assert through the whole game loop. Open two pages at once and you've got an automated two-player test of your multiplayer flow — join, sync, score, win screen.
github.com/microsoft/playwright-mcpAsk for models, materials, and scenes in plain language, then export them into your Three.js game. Turns “I can't art” from a blocker into a prompt.
github.com/ahujasid/blender-mcp“Make a 2-player game and deploy it” — the agent calls
deploy_game and returns a playable URL. Free to start, no account needed.