| """A stdio MCP server, for pointing Claude (or any MCP client) at the environment. |
| |
| claude mcp add design-canvas -- uvx --from openenv-design-canvas design-canvas mcp |
| |
| The client gets the same tools a trainer sees, starting with `start_task`. The |
| live editor is served on a local port alongside, so every call can be watched |
| as it happens: open the `editor_url` that `start_task` returns. |
| |
| stdout belongs to the MCP protocol here, so the editor server logs nothing to it. |
| """ |
|
|
| from __future__ import annotations |
|
|
| import logging |
| import os |
| import sys |
| import threading |
|
|
|
|
| def _serve_editor(port: int) -> None: |
| import uvicorn |
|
|
| from .app import create_server |
|
|
| config = uvicorn.Config(create_server(), host="127.0.0.1", port=port, log_level="warning", |
| access_log=False, log_config=None) |
| uvicorn.Server(config).run() |
|
|
|
|
| def run(editor_port: int = 8007) -> None: |
| logging.basicConfig(stream=sys.stderr, level=logging.WARNING) |
| from ..core.pack import load_pack |
| from .environment import DesignCanvasEnvironment |
|
|
| if editor_port: |
| os.environ.setdefault("PORT", str(editor_port)) |
| os.environ.setdefault("DESIGN_CANVAS_PUBLIC_URL", f"http://127.0.0.1:{editor_port}") |
| threading.Thread(target=_serve_editor, args=(editor_port,), daemon=True).start() |
| env = DesignCanvasEnvironment(load_pack()) |
| env.mcp_server.run(transport="stdio", show_banner=False) |
|
|
