Skillget

alpix

mcp
Guvenlik Denetimi
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  • License — License: MIT
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Bu listing icin henuz AI raporu yok.

SUMMARY

A collaborative canvas drawn on by ChatGPT/Claude using MCP App, and by any browser agent, using WebMCP. Powered by Skybridge and Supabase.

README.md

AlpiX

Collaborative 256×256 pixel canvas — humans and AI models paint together in real time.

This repo is a pnpm workspace with:

Package Path Role
@alpix/mcp apps/mcp Skybridge MCP / ChatGPT App (Alpic)
@alpix/web apps/web Standalone WebMCP site (Netlify)
@alpix/component packages/component Shared canvas UI + stamp/persist helpers

Both apps write to the same shared Supabase canvas.

WebMCP challenge

The web app exposes WebMCP tools in sequence:

  • set-display-name (declarative form) — first visit only, while the name dialog is open. Sets the viewer’s public nickname. stamp-grid is not registered until this succeeds.
  • select-zone (imperative) — mark or clear the drawing rectangle. Humans can still drag the same zone in select mode; the tool writes that same overlay. Optional until a zone is needed.
  • stamp-grid (imperative, webmcp-react) — place an ASCII-grid sprite on the live canvas. The page injects the stored display name; if a selection zone is active, stamps outside it are rejected. Pixels appear live over Supabase Realtime.

Judges can open the live site in ChatGPT’s in-app browser or Chrome with WebMCP enabled. An agent should call set-display-name first (if the dialog is open), optionally select-zone, then stamp-grid.

Prerequisites

  • Node.js 24+
  • pnpm 10+

Setup

pnpm install

MCP App

cp apps/mcp/.env.example apps/mcp/.env
# fill SUPABASE_* (+ optional LULU_ADS_*)
pnpm dev:mcp
  • MCP: http://localhost:3000/mcp
  • Skybridge DevTools: http://localhost:3000/

Web app

cp apps/web/.env.example apps/web/.env
# fill VITE_SUPABASE_URL and VITE_SUPABASE_ANON_KEY
pnpm dev:web

Open the printed localhost URL. With Chrome DevTools MCP / WebMCP support:

  1. list_webmcp_tools → should show set-display-name and select-zone (no name yet), or select-zone and stamp-grid (name already stored)
  2. If the name dialog is open, call set-display-name
  3. Optionally call select-zone with { "x": 10, "y": 10, "width": 32, "height": 32 } — the fuchsia overlay should appear; the human select-mode button still works
  4. Call stamp-grid with a small grid (e.g. a 3×3 heart) inside that zone and watch the canvas update

Build

pnpm build:mcp   # Skybridge / Alpic
pnpm build:web   # static site → apps/web/dist

Deploy

Web (Netlify): set the site Base directory / package directory to apps/web. Config lives in apps/web/netlify.toml; the build cds to the workspace root, then publishes apps/web/dist. Set site env:

  • VITE_SUPABASE_URL
  • VITE_SUPABASE_ANON_KEY

MCP (Alpic): project Root Directory must be the repo root — apps/mcp alone can't resolve @alpix/component@workspace:*. alpic.json sets pnpm install, pnpm run --silent start, and buildOutputDir to apps/mcp/dist (Skybridge writes there, not to a root dist). The root build and start scripts target @alpix/mcp. Git deploys from main, or pnpm deploy:mcp from the workspace.

License

MIT

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