wehub-resource-sync
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81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
import anyio
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import click
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import mcp_types as types
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from mcp.server import Server, ServerRequestContext
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from mcp.shared._httpx_utils import create_mcp_http_client
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async def fetch_website(
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url: str,
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) -> list[types.ContentBlock]:
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headers = {"User-Agent": "MCP Test Server (github.com/modelcontextprotocol/python-sdk)"}
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async with create_mcp_http_client(headers=headers) as client:
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response = await client.get(url)
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response.raise_for_status()
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return [types.TextContent(type="text", text=response.text)]
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async def handle_list_tools(
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ctx: ServerRequestContext, params: types.PaginatedRequestParams | None
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) -> types.ListToolsResult:
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return types.ListToolsResult(
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tools=[
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types.Tool(
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name="fetch",
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title="Website Fetcher",
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description="Fetches a website and returns its content",
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input_schema={
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"type": "object",
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"required": ["url"],
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"properties": {
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"url": {
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"type": "string",
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"description": "URL to fetch",
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}
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},
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},
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)
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]
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)
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async def handle_call_tool(ctx: ServerRequestContext, params: types.CallToolRequestParams) -> types.CallToolResult:
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if params.name != "fetch":
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raise ValueError(f"Unknown tool: {params.name}")
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arguments = params.arguments or {}
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if "url" not in arguments:
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raise ValueError("Missing required argument 'url'")
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content = await fetch_website(arguments["url"])
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return types.CallToolResult(content=content)
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@click.command()
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@click.option("--port", default=8000, help="Port to listen on for HTTP")
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@click.option(
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"--transport",
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type=click.Choice(["stdio", "streamable-http"]),
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default="stdio",
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help="Transport type",
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)
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def main(port: int, transport: str) -> int:
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app = Server(
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"mcp-website-fetcher",
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on_list_tools=handle_list_tools,
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on_call_tool=handle_call_tool,
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)
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if transport == "streamable-http":
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import uvicorn
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uvicorn.run(app.streamable_http_app(), host="127.0.0.1", port=port)
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else:
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from mcp.server.stdio import stdio_server
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async def arun():
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async with stdio_server() as streams:
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await app.run(streams[0], streams[1], app.create_initialization_options())
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anyio.run(arun)
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return 0
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