fix type issues

src/mcp/server/fastmcp/resources/types.py

@@ -6,6 +6,7 @@ from pathlib import Path
 from typing import Any
 
 import anyio
+import anyio.to_thread
 import httpx
 import pydantic.json
 import pydantic_core

tests/test_examples.py

@@ -5,6 +5,7 @@ import pytest
 from mcp.shared.memory import (
     create_connected_server_and_client_session as client_session,
 )
+from mcp.types import TextContent
 
 
 @pytest.mark.anyio
@@ -16,6 +17,7 @@ async def test_simple_echo():
         result = await client.call_tool("echo", {"text": "hello"})
         assert len(result.content) == 1
         content = result.content[0]
+        assert isinstance(content, TextContent)
         assert content.text == "hello"
 
 
@@ -30,6 +32,9 @@ async def test_complex_inputs():
             "name_shrimp", {"tank": tank, "extra_names": ["charlie"]}
         )
         assert len(result.content) == 3
+        assert isinstance(result.content[0], TextContent)
+        assert isinstance(result.content[1], TextContent)
+        assert isinstance(result.content[2], TextContent)
         assert result.content[0].text == "bob"
         assert result.content[1].text == "alice"
         assert result.content[2].text == "charlie"
@@ -38,6 +43,8 @@ async def test_complex_inputs():
 @pytest.mark.anyio
 async def test_desktop():
     """Test the desktop server"""
+    from pydantic import AnyUrl
+
     from examples.fastmcp.desktop import mcp
 
     async with client_session(mcp._mcp_server) as client:
@@ -45,10 +52,12 @@ async def test_desktop():
         result = await client.call_tool("add", {"a": 1, "b": 2})
         assert len(result.content) == 1
         content = result.content[0]
+        assert isinstance(content, TextContent)
         assert content.text == "3"
 
         # Test the desktop resource
-        result = await client.read_resource("dir://desktop")
+        result = await client.read_resource(AnyUrl("dir://desktop"))
         assert len(result.contents) == 1
         content = result.contents[0]
+        assert isinstance(content, TextContent)
         assert isinstance(content.text, str)