diff --git a/README.md b/README.md
index 5892354..4a90746 100644
--- a/README.md
+++ b/README.md
@@ -168,8 +168,9 @@ LLMCHAT__MCP_SERVERS同样为一个dict，key为服务器名称，value配置的
 | command | stdio服务器必填 | 无 | stdio服务器MCP命令 |
 | args | 否 | [] | stdio服务器MCP命令参数 |
 | env | 否 | {} | stdio服务器环境变量 |
-| url | sse服务器必填 | 无 | sse服务器地址 |
-| headers | 否 | {} | sse模式下http请求头，用于认证或其他设置 |
+| url | 远程服务器必填 | 无 | 远程MCP服务器地址 |
+| headers | 否 | {} | 远程服务器http请求头，用于认证或其他设置 |
+| transport | 否 | 自动 | 远程MCP传输协议类型，可选 `sse` 或 `streamable_http` ，不填则自动探测 |
 
 以下为在 Claude.app 的MCP服务器配置基础上增加的字段
 | 配置项 | 必填 | 默认值 | 说明 |
@@ -255,6 +256,12 @@ LLMCHAT__MCP_SERVERS同样为一个dict，key为服务器名称，value配置的
                 "formulahendry/mcp-server-code-runner"
             ]
         },
+        "tavily": {
+            "friendly_name": "Tavily搜索",
+            "additional_prompt": "当你需要搜索最新的互联网信息时，请使用 tavily 工具。",
+            "url": "https://mcp.tavily.com/mcp/?tavilyApiKey=<your-api-key>",
+            "transport": "streamable_http"
+        }
     }
     '
     
diff --git a/nonebot_plugin_llmchat/config.py b/nonebot_plugin_llmchat/config.py
index 90fafcb..834e109 100755
--- a/nonebot_plugin_llmchat/config.py
+++ b/nonebot_plugin_llmchat/config.py
@@ -24,8 +24,9 @@ class MCPServerConfig(BaseModel):
     command: str | None = Field(None, description="stdio模式下MCP命令")
     args: list[str] | None = Field([], description="stdio模式下MCP命令参数")
     env: dict[str, str] | None = Field({}, description="stdio模式下MCP命令环境变量")
-    url: str | None = Field(None, description="sse模式下MCP服务器地址")
-    headers: dict[str, str] | None = Field({}, description="sse模式下http请求头，用于认证或其他设置")
+    url: str | None = Field(None, description="远程MCP服务器地址")
+    headers: dict[str, str] | None = Field({}, description="远程MCP服务器http请求头，用于认证或其他设置")
+    transport: str | None = Field(None, description="远程MCP传输协议类型，可选 'sse' 或 'streamable_http'，默认自动检测")
 
     # 额外字段
     friendly_name: str | None = Field(None, description="MCP服务器友好名称")
diff --git a/nonebot_plugin_llmchat/mcpclient.py b/nonebot_plugin_llmchat/mcpclient.py
index 022b30d..578ec77 100644
--- a/nonebot_plugin_llmchat/mcpclient.py
+++ b/nonebot_plugin_llmchat/mcpclient.py
@@ -3,8 +3,10 @@ from contextlib import AsyncExitStack
 from time import monotonic
 from typing import Any, cast
 
+import httpx
 from mcp import ClientSession, StdioServerParameters
 from mcp.client.sse import sse_client
+from mcp.client.streamable_http import streamable_http_client
 from mcp.client.stdio import stdio_client
 from nonebot import logger
 
@@ -88,9 +90,42 @@ class MCPClient:
         config = self.server_config[server_name]
         session_stack = AsyncExitStack()
         if config.url:
-            transport = await session_stack.enter_async_context(
-                sse_client(url=config.url, headers=config.headers)
-            )
+            transport_type = config.transport
+            if transport_type == "streamable_http":
+                logger.debug(f"服务器[{server_name}]使用 streamable_http 传输协议")
+                http_client = await session_stack.enter_async_context(
+                    httpx.AsyncClient(headers=config.headers or {})
+                )
+                read, write, _ = await session_stack.enter_async_context(
+                    streamable_http_client(url=config.url, http_client=http_client)
+                )
+                transport = (read, write)
+            elif transport_type == "sse":
+                logger.debug(f"服务器[{server_name}]使用 sse 传输协议")
+                transport = await session_stack.enter_async_context(
+                    sse_client(url=config.url, headers=config.headers)
+                )
+            else:
+                # 未指定协议，自动探测：先尝试 streamable_http，失败则回退到 sse
+                logger.debug(f"服务器[{server_name}]未指定传输协议，开始自动探测")
+                probe_stack = AsyncExitStack()
+                try:
+                    http_client = await probe_stack.enter_async_context(
+                        httpx.AsyncClient(headers=config.headers or {})
+                    )
+                    read, write, _ = await probe_stack.enter_async_context(
+                        streamable_http_client(url=config.url, http_client=http_client)
+                    )
+                    await session_stack.enter_async_context(probe_stack)
+                    transport = (read, write)
+                    logger.debug(f"服务器[{server_name}]自动探测成功: 使用 streamable_http 传输协议")
+                except Exception as e:
+                    await probe_stack.aclose()
+                    logger.debug(f"服务器[{server_name}]streamable_http 探测失败({e})，回退到 sse")
+                    transport = await session_stack.enter_async_context(
+                        sse_client(url=config.url, headers=config.headers)
+                    )
+                    logger.debug(f"服务器[{server_name}]自动探测成功: 使用 sse 传输协议")
         elif config.command:
             stdio_params: dict[str, Any] = {
                 "command": config.command,