Use mcp tool from "dashscope.aliyuncs.com"

[1006245347]

//"https://dashscope.aliyuncs.com/api/v1/mcps/WebSearch/sse"


bailian_web_search
搜索可用于查询百科知识、时事新闻、天气等信息
query
(string)
*
user query in the format of string
count
(integer)
number of search results

suspend fun searchSSE3(): ToolRegistry {
        val mcpKey = getCacheString(DATA_MCP_KEY)
        //1.构建mcpClient,可以用默认的
        val client = createKtorHttpClient(15000, builder = {
            //放这里没用
        })
        //2.mcp工具的sse接口
        val transport: SseClientTransport = SseClientTransport(
            client = client,
            urlString = null
        ) {
            headers { append(HttpHeaders.Authorization, "Bearer $mcpKey") }
            url {
                protocol = URLProtocol.HTTPS
                host = "dashscope.aliyuncs.com"
                encodedPath = "/api/v1/mcps/WebSearch/sse"
            }

        }

        val toolRegistry =
            McpToolRegistryProvider.fromTransport(transport, name = "Search from internet")
        toolRegistry.tools.forEach {
            printD(it.name + "：" + it.descriptor, "tool>")
        }
        return toolRegistry
    }

log>>>
REQUEST: https://dashscope.aliyuncs.com/api/v1/mcps/WebSearch/sse?sessionId=9eabe6c3073749158b32a9256db120b5
METHOD: POST
COMMON HEADERS
-> Accept: application/json
-> Accept-Charset: UTF-8
-> Authorization: Bearer sk-xxxxxx
CONTENT HEADERS
-> Content-Length: 202
-> Content-Type: application/json
BODY Content-Type: application/json
BODY START
{"id":"24588e059c6345358a5481da592fd83a","method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"Search from internet","version":"1.0.0"}},"jsonrpc":"2.0"}
BODY END
RESPONSE: 200 OK
METHOD: POST
FROM: https://dashscope.aliyuncs.com/api/v1/mcps/WebSearch/sse?sessionId=9eabe6c3073749158b32a9256db120b5
COMMON HEADERS
-> content-length: 0
-> date: Mon, 19 Jan 2026 08:45:36 GMT
-> req-arrive-time: 1768812336600
-> req-cost-time: 9
-> resp-start-time: 1768812336610
-> server: istio-envoy
-> x-envoy-upstream-service-time: 1
BODY Content-Type: null
BODY START

BODY END

something wrong , toolRegistry is null,I can' t make it.  can you help .