diff --git a/src/kimi_cli/app.py b/src/kimi_cli/app.py
index 3316f9b14..5dfe294a5 100644
--- a/src/kimi_cli/app.py
+++ b/src/kimi_cli/app.py
@@ -95,8 +95,9 @@ async def create(
             AgentSpecError(KimiCLIException, ValueError): When the agent specification is invalid.
             InvalidToolError(KimiCLIException, ValueError): When any tool cannot be loaded.
             MCPConfigError(KimiCLIException, ValueError): When any MCP configuration is invalid.
-            MCPRuntimeError(KimiCLIException, RuntimeError): When any MCP server cannot be
-                connected.
+
+        Note:
+            Failed MCP connections are logged as warnings and do not prevent CLI creation.
         """
         config = config if isinstance(config, Config) else load_config(config)
         if max_steps_per_turn is not None:
diff --git a/src/kimi_cli/soul/agent.py b/src/kimi_cli/soul/agent.py
index 2236070da..a2526b353 100644
--- a/src/kimi_cli/soul/agent.py
+++ b/src/kimi_cli/soul/agent.py
@@ -199,7 +199,9 @@ async def load_agent(
         AgentSpecError(KimiCLIException, ValueError): When the agent specification is invalid.
         InvalidToolError(KimiCLIException, ValueError): When any tool cannot be loaded.
         MCPConfigError(KimiCLIException, ValueError): When any MCP configuration is invalid.
-        MCPRuntimeError(KimiCLIException, RuntimeError): When any MCP server cannot be connected.
+
+    Note:
+        Failed MCP connections are logged as warnings and do not prevent loading.
     """
     logger.info("Loading agent: {agent_file}", agent_file=agent_file)
     agent_spec = load_agent_spec(agent_file)
diff --git a/src/kimi_cli/soul/toolset.py b/src/kimi_cli/soul/toolset.py
index 22db785d1..6a09549c3 100644
--- a/src/kimi_cli/soul/toolset.py
+++ b/src/kimi_cli/soul/toolset.py
@@ -28,7 +28,7 @@
 from kosong.utils.typing import JsonType
 from loguru import logger
 
-from kimi_cli.exception import InvalidToolError, MCPRuntimeError
+from kimi_cli.exception import InvalidToolError
 from kimi_cli.tools import SkipThisTool
 from kimi_cli.tools.utils import ToolRejectedError
 from kimi_cli.wire.types import (
@@ -206,9 +206,7 @@ async def load_mcp_tools(
         """
         Load MCP tools from specified MCP configs.
 
-        Raises:
-            MCPRuntimeError(KimiCLIException, RuntimeError): When any MCP server cannot be
-                connected.
+        Failed connections are logged as warnings and do not prevent CLI startup.
         """
         import fastmcp
         from fastmcp.mcp_config import MCPConfig, RemoteMCPServer
@@ -298,9 +296,12 @@ async def _connect():
                     continue
 
             if failed_servers:
+                logger.warning(
+                    "Some MCP servers failed to connect: {failed_servers}",
+                    failed_servers=list(failed_servers.keys()),
+                )
                 _toast_mcp("mcp connection failed")
-                raise MCPRuntimeError(f"Failed to connect MCP servers: {failed_servers}")
-            if unauthorized_servers:
+            elif unauthorized_servers:
                 _toast_mcp("mcp authorization needed")
             else:
                 _toast_mcp("mcp servers connected")