MCP remove translatable URL (#154995)

homeassistant/components/mcp/config_flow.py

@@ -47,6 +47,8 @@ MCP_DISCOVERY_HEADERS = {
     "MCP-Protocol-Version": "2025-03-26",
 }
 
+EXAMPLE_URL = "http://example/sse"
+
 
 @dataclass
 class OAuthConfig:
@@ -182,7 +184,10 @@ class ModelContextProtocolConfigFlow(AbstractOAuth2FlowHandler, domain=DOMAIN):
                 return self.async_create_entry(title=info["title"], data=user_input)
 
         return self.async_show_form(
-            step_id="user", data_schema=STEP_USER_DATA_SCHEMA, errors=errors
+            step_id="user",
+            data_schema=STEP_USER_DATA_SCHEMA,
+            errors=errors,
+            description_placeholders={"example_url": EXAMPLE_URL},
         )
 
     async def async_step_auth_discovery(

homeassistant/components/mcp/strings.json

@@ -6,7 +6,7 @@
           "url": "[%key:common::config_flow::data::url%]"
         },
         "data_description": {
-          "url": "The remote MCP server URL for the SSE endpoint, for example http://example/sse"
+          "url": "The remote MCP server URL for the SSE endpoint, for example {example_url}"
         }
       },
       "credentials_choice": {
@@ -35,7 +35,7 @@
       "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
       "unknown": "[%key:common::config_flow::error::unknown%]",
       "timeout_connect": "[%key:common::config_flow::error::timeout_connect%]",
-      "invalid_url": "Must be a valid MCP server URL e.g. https://example.com/sse"
+      "invalid_url": "Must be a valid MCP server URL"
     },
     "abort": {
       "already_configured": "[%key:common::config_flow::abort::already_configured_device%]",