Docs update

Author: Artui

docs/builtin-tools.md

@@ -426,7 +426,7 @@ The [`MCPServerTool`][pydantic_ai.builtin_tools.MCPServerTool] allows your agent
 so that the agent can offload MCP calls and parsing to the provider.
 
 > **Note:** This tool is useful for models that support passing MCP servers as tools in parameters, so the model handles calls to remote servers by itself.
-> However, a vast majority of models do not support this feature, in which case you should refer to an [alternative solution](mcp/overview.md).
+> However, a vast majority of models do not support this feature, in which case you should refer to an [alternative solution](mcp/client.md).
 
 ### Provider Support
 

pydantic_ai_slim/pydantic_ai/models/openai.py

@@ -1242,7 +1242,7 @@ def _get_builtin_tools(self, model_request_parameters: ModelRequestParameters) -
                     require_approval='never',
                     headers=tool.headers,
                 )
-                if tool.url:  # pragma: no cover
+                if tool.url:
                     mcp_tool['server_url'] = tool.url
                 elif tool.connector_id:  # pragma: no cover
                     mcp_tool['connector_id'] = tool.connector_id
@@ -1477,7 +1477,7 @@ async def _map_messages(  # noqa: C901
                                 and (status := content.get('status'))
                             ):
                                 web_search_item['status'] = status
-                            elif item.tool_name == ImageGenerationTool.kind:  # pragma: no cover
+                            elif item.tool_name == ImageGenerationTool.kind:
                                 # Image generation result does not need to be sent back, just the `id` off of `BuiltinToolCallPart`.
                                 pass
                             elif item.tool_name == MCPServerTool.list_tools_kind:  # pragma: no cover