diff --git a/a2a_agents/python/a2ui_agent/src/a2ui/inference/schema/constants.py b/a2a_agents/python/a2ui_agent/src/a2ui/inference/schema/constants.py
index e3def1e13..9613a4b50 100644
--- a/a2a_agents/python/a2ui_agent/src/a2ui/inference/schema/constants.py
+++ b/a2a_agents/python/a2ui_agent/src/a2ui/inference/schema/constants.py
@@ -33,7 +33,7 @@
     },
     "0.9": {
         SERVER_TO_CLIENT_SCHEMA_KEY: "specification/v0_9/json/server_to_client.json",
-        CATALOG_SCHEMA_KEY: "specification/v0_9/json/standard_catalog.json",
+        CATALOG_SCHEMA_KEY: "specification/v0_9/json/basic_catalog.json",
         COMMON_TYPES_SCHEMA_KEY: "specification/v0_9/json/common_types.json",
     },
 }
diff --git a/a2a_agents/python/a2ui_agent/src/a2ui/inference/schema/manager.py b/a2a_agents/python/a2ui_agent/src/a2ui/inference/schema/manager.py
index 2ac87ed0f..14c80a4fa 100644
--- a/a2a_agents/python/a2ui_agent/src/a2ui/inference/schema/manager.py
+++ b/a2a_agents/python/a2ui_agent/src/a2ui/inference/schema/manager.py
@@ -45,7 +45,7 @@ def _load_basic_component(version: str, spec_name: str) -> Dict:
 
   Args:
     version: The version of the schema to load.
-    spec_name: The name of the schema component (e.g. 'server_to_client', 'standard_catalog', 'common_types') to load.
+    spec_name: The name of the schema component (e.g. 'server_to_client', 'basic_catalog', 'common_types') to load.
 
   Returns:
     The loaded schema component.
@@ -184,7 +184,7 @@ def _load_schemas(
           # Strip the `json/` part from the catalog file path.
           SPEC_VERSION_MAP[version][CATALOG_SCHEMA_KEY].replace("/json/", "/")
           if CATALOG_SCHEMA_KEY in SPEC_VERSION_MAP[version]
-          else f"specification/{version}/standard_catalog.json"
+          else f"specification/{version}/basic_catalog.json"
       )
       basic_catalog_schema[CATALOG_ID_KEY] = BASE_SCHEMA_URL + catalog_file
     if "$schema" not in basic_catalog_schema:
diff --git a/a2a_agents/python/a2ui_agent/tests/inference/test_validator.py b/a2a_agents/python/a2ui_agent/tests/inference/test_validator.py
index 72f56425d..5c55ec89b 100644
--- a/a2a_agents/python/a2ui_agent/tests/inference/test_validator.py
+++ b/a2a_agents/python/a2ui_agent/tests/inference/test_validator.py
@@ -100,9 +100,9 @@ def catalog_0_9(self):
     }
     catalog_schema = {
         "$schema": "https://json-schema.org/draft/2020-12/schema",
-        "$id": "https://a2ui.org/specification/v0_9/standard_catalog.json",
-        "title": "A2UI Standard Catalog",
-        "catalogId": "https://a2ui.dev/specification/v0_9/standard_catalog.json",
+        "$id": "https://a2ui.org/specification/v0_9/basic_catalog.json",
+        "title": "A2UI Basic Catalog",
+        "catalogId": "https://a2ui.dev/specification/v0_9/basic_catalog.json",
         "components": {
             "Text": {
                 "type": "object",
diff --git a/a2a_agents/python/a2ui_agent/tests/integration/verify_load_real.py b/a2a_agents/python/a2ui_agent/tests/integration/verify_load_real.py
index bb0a67ed3..ed8f4e6d1 100644
--- a/a2a_agents/python/a2ui_agent/tests/integration/verify_load_real.py
+++ b/a2a_agents/python/a2ui_agent/tests/integration/verify_load_real.py
@@ -394,9 +394,7 @@ def verify():
             'version': 'v0.9',
             'createSurface': {
                 'surfaceId': 'contact_form_1',
-                'catalogId': (
-                    'https://a2ui.dev/specification/v0_9/standard_catalog.json'
-                ),
+                'catalogId': 'https://a2ui.dev/specification/v0_9/basic_catalog.json',
                 'fakeProperty': 'should be allowed',
             },
         },
diff --git a/docs/catalogs.md b/docs/catalogs.md
index c146d96c9..6790ccbc6 100644
--- a/docs/catalogs.md
+++ b/docs/catalogs.md
@@ -59,7 +59,7 @@ Whether you are building a simple prototype or a complex production application,
 
 ### The Basic Catalog
 
-To help developers get started quickly, the A2UI team maintains the [Basic Catalog](../specification/v0_9/json/standard_catalog.json).
+To help developers get started quickly, the A2UI team maintains the [Basic Catalog](../specification/v0_9/json/basic_catalog.json).
 
 This is a pre-defined catalog file that contains a standard set of general-purpose components (Buttons, Inputs, Cards) and functions. It is not a special "type" of catalog; it is simply a version of a catalog that we have already written and have open source renderers for. 
 
@@ -67,7 +67,7 @@ The basic catalog allows you to bootstrap an application or validate A2UI concep
 
 Since A2UI is designed for LLMs to generate the UI at either design time or runtime, we do not think portability requires a standardized catalog across multiple clients; the LLM can interpret the catalog for each individual frontend.
 
-[See the A2UI v0.9 basic catalog](../specification/v0_9/json/standard_catalog.json)
+[See the A2UI v0.9 basic catalog](../specification/v0_9/json/basic_catalog.json)
 
 ### Defining Your Own Catalog
 
@@ -172,7 +172,7 @@ This catalog imports all elements from the Basic Catalog and adds a new `Suggest
   "$id": "https://github.com/.../hello_world_with_all_basic/v1/catalog.json",
   "components": {
     "allOf": [
-      { "$ref": "standard_catalog_definition.json#/components" },
+      { "$ref": "basic_catalog_definition.json#/components" },
       {
         "SuggestionChips": {
           "type": "object",
@@ -202,8 +202,8 @@ This catalog imports only `Text` and `Icon` from the Basic Catalog to build a si
   "$id": "https://github.com/.../hello_world_with_some_basic/v1/catalog.json",
   "components": {
     "allOf": [
-      { "$ref": "standard_catalog_definition.json#/components/Text" },
-      { "$ref": "standard_catalog_definition.json#/components/Icon" },
+      { "$ref": "basic_catalog_definition.json#/components/Text" },
+      { "$ref": "basic_catalog_definition.json#/components/Icon" },
       {
         "Popup": { 
           "type": "object",
@@ -265,7 +265,7 @@ Example of an A2A AgentCard advertising that the agent supports the basic and ri
         "description": "Provides agent driven UI using the A2UI JSON format.",
         "params": {
           "supportedCatalogIds": [
-            "https://a2ui.org/specification/v0_9/standard_catalog.json",
+            "https://a2ui.org/specification/v0_9/basic_catalog.json",
             "https://github.com/.../rizzcharts_catalog_definition.json"
           ]
         }
@@ -291,7 +291,7 @@ Example of A2A message containing the supportedCatalogIds in metadata
   "metadata": {
     "a2uiClientCapabilities": {
       "supportedCatalogIds": [
-        "https://a2ui.org/specification/v0_9/standard_catalog.json",
+        "https://a2ui.org/specification/v0_9/basic_catalog.json",
         "https://github.com/.../rizzcharts_catalog_definition.json"
       ]
     }
@@ -309,7 +309,7 @@ Example A2UI Message from the agent defining the catalog_id used in a surface
 {
   "createSurface": {
     "surfaceId": "salesDashboard",
-    "catalogId": "https://a2ui.org/specification/v0_9/standard_catalog.json"
+    "catalogId": "https://a2ui.org/specification/v0_9/basic_catalog.json"
   }
 }
 ```
diff --git a/docs/reference/components.md b/docs/reference/components.md
index 9e81a937c..d7a701b0d 100644
--- a/docs/reference/components.md
+++ b/docs/reference/components.md
@@ -267,6 +267,6 @@ This launches a live gallery with all components, their variations, and interact
 
 ## Further Reading
 
-- **[Standard Catalog Definition](../../specification/v0_9/json/standard_catalog_definition.json)**: Complete technical specification
+- **[Basic Catalog Definition](../../specification/v0_9/json/basic_catalog.json)**: Complete technical specification
 - **[Custom Components Guide](../guides/custom-components.md)**: Build your own components
 - **[Theming Guide](../guides/theming.md)**: Style components to match your brand
diff --git a/specification/v0_9/docs/evolution_guide.md b/specification/v0_9/docs/evolution_guide.md
index 380b32ef9..2e0d9c04c 100644
--- a/specification/v0_9/docs/evolution_guide.md
+++ b/specification/v0_9/docs/evolution_guide.md
@@ -33,7 +33,7 @@ Version 0.9 represents a fundamental philosophical shift from "Structured Output
 **v0.8.1:**
 
 - Monolithic tendencies. `server_to_client.json` often contained deep definitions or relied on complex `oneOf` structures that were hard to decompose.
-- `standard_catalog_definition.json` existed but was often implicitly coupled.ß
+- `basic_catalog_definition.json` existed but was often implicitly coupled.
 
 **v0.9:**
 
diff --git a/tools/build_catalog/README.md b/tools/build_catalog/README.md
index 935ba5ad6..07fc42e9e 100644
--- a/tools/build_catalog/README.md
+++ b/tools/build_catalog/README.md
@@ -15,7 +15,7 @@ Example catalog (in specification/v0_9/json) that imports Text from the Basic Ca
   "$id": "sample_popup_catalog",
   "components": {
     "allOf": [
-      { "$ref": "standard_catalog.json#/components/Text" },
+      { "$ref": "basic_catalog.json#/components/Text" },
       {
         "Popup": {
           "type": "object",
@@ -89,7 +89,7 @@ Output from running build_catalog on the sample catalog, with all `$ref` to exte
         }
       ]
     },
-    "standard_catalog_components_Text": {
+    "basic_catalog_components_Text": {
       "type": "object",
       "allOf": [
         {
@@ -139,7 +139,7 @@ Output from running build_catalog on the sample catalog, with all `$ref` to exte
   "components": {
     "allOf": [
       {
-        "$ref": "#/$defs/standard_catalog_components_Text"
+        "$ref": "#/$defs/basic_catalog_components_Text"
       },
       {
         "Popup": {