refactor: use snake case instead of camel case in types (#1894)

examples/snippets/servers/completion.py

@@ -36,7 +36,7 @@ async def handle_completion(
             languages = ["python", "javascript", "typescript", "go", "rust"]
             return Completion(
                 values=[lang for lang in languages if lang.startswith(argument.value)],
-                hasMore=False,
+                has_more=False,
             )
 
     # Complete repository names for GitHub resources
@@ -44,6 +44,6 @@ async def handle_completion(
         if ref.uri == "github://repos/{owner}/{repo}" and argument.name == "repo":
             if context and context.arguments and context.arguments.get("owner") == "modelcontextprotocol":
                 repos = ["python-sdk", "typescript-sdk", "specification"]
-                return Completion(values=repos, hasMore=False)
+                return Completion(values=repos, has_more=False)
 
     return None

examples/snippets/servers/direct_call_tool_result.py

@@ -31,7 +31,7 @@ def validated_tool() -> Annotated[CallToolResult, ValidationModel]:
     """Return CallToolResult with structured output validation."""
     return CallToolResult(
         content=[TextContent(type="text", text="Validated response")],
-        structuredContent={"status": "success", "data": {"result": 42}},
+        structured_content={"status": "success", "data": {"result": 42}},
         _meta={"internal": "metadata"},
     )
 

examples/snippets/servers/elicitation.py

@@ -93,7 +93,7 @@ async def connect_service(service_name: str, ctx: Context[ServerSession, None])
                 mode="url",
                 message=f"Authorization required to connect to {service_name}",
                 url=f"https://{service_name}.example.com/oauth/authorize?elicit={elicitation_id}",
-                elicitationId=elicitation_id,
+                elicitation_id=elicitation_id,
             )
         ]
     )

examples/snippets/servers/lowlevel/direct_call_tool_result.py

@@ -21,7 +21,7 @@ async def list_tools() -> list[types.Tool]:
         types.Tool(
             name="advanced_tool",
             description="Tool with full control including _meta field",
-            inputSchema={
+            input_schema={
                 "type": "object",
                 "properties": {"message": {"type": "string"}},
                 "required": ["message"],
@@ -37,7 +37,7 @@ async def handle_call_tool(name: str, arguments: dict[str, Any]) -> types.CallTo
         message = str(arguments.get("message", ""))
         return types.CallToolResult(
             content=[types.TextContent(type="text", text=f"Processed: {message}")],
-            structuredContent={"result": "success", "message": message},
+            structured_content={"result": "success", "message": message},
             _meta={"hidden": "data for client applications only"},
         )
 

examples/snippets/servers/lowlevel/lifespan.py

@@ -56,7 +56,7 @@ async def handle_list_tools() -> list[types.Tool]:
         types.Tool(
             name="query_db",
             description="Query the database",
-            inputSchema={
+            input_schema={
                 "type": "object",
                 "properties": {"query": {"type": "string", "description": "SQL query to execute"}},
                 "required": ["query"],

examples/snippets/servers/lowlevel/structured_output.py

@@ -21,12 +21,12 @@ async def list_tools() -> list[types.Tool]:
         types.Tool(
             name="get_weather",
             description="Get current weather for a city",
-            inputSchema={
+            input_schema={
                 "type": "object",
                 "properties": {"city": {"type": "string", "description": "City name"}},
                 "required": ["city"],
             },
-            outputSchema={
+            output_schema={
                 "type": "object",
                 "properties": {
                     "temperature": {"type": "number", "description": "Temperature in Celsius"},

examples/snippets/servers/pagination_example.py

@@ -33,4 +33,4 @@ async def list_resources_paginated(request: types.ListResourcesRequest) -> types
     # Determine next cursor
     next_cursor = str(end) if end < len(ITEMS) else None
 
-    return types.ListResourcesResult(resources=page_items, nextCursor=next_cursor)
+    return types.ListResourcesResult(resources=page_items, next_cursor=next_cursor)