diff --git a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json
index 59b39d520c..5fdbc29dd1 100644
--- a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json
+++ b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json
@@ -46950,7 +46950,7 @@
     "/enterprises/{enterprise}/copilot/custom-agents/source": {
       "get": {
         "summary": "Get the source organization for custom agents in an enterprise",
-        "description": "Gets the organization and repository configured as the source for custom agent definitions and Copilot CLI client settings in an enterprise.\n\nCustom agents are enterprise-defined AI agents stored as markdown files in a special repository.\nAn enterprise admin configures one organization as the \"source\" for custom agents and\nCopilot CLI client settings, and that org must have a repo named `.github-private` containing agent\ndefinitions in `/agents/*.md`, or enterprise-managed AI standards in `.github/copilot/settings.json`. [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).\n\nEnterprise owners with read access to AI Controls can use this endpoint.\n\nOAuth app tokens and personal access tokens (classic) need the `admin:enterprise` scope to use this endpoint.\n",
+        "description": "Gets the organization and repository configured as the source for custom agent definitions and Copilot CLI client settings in an enterprise.\n\nCustom agents are enterprise-defined AI agents stored as markdown files in a special repository.\nAn enterprise admin configures one organization as the \"source\" for custom agents and\nCopilot CLI client settings, and that org must have a repo named `.github-private` containing agent\ndefinitions in `/agents/*.md`, or enterprise-managed AI standards in `copilot/managed-settings.json` (with fallback to `.github/copilot/settings.json`). [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).\n\nEnterprise owners with read access to AI Controls can use this endpoint.\n\nOAuth app tokens and personal access tokens (classic) need the `admin:enterprise` scope to use this endpoint.\n",
         "tags": [
           "copilot"
         ],
diff --git a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.yaml b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.yaml
index 79bb202578..f3e5b5f521 100644
--- a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.yaml
+++ b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.yaml
@@ -19244,7 +19244,7 @@ paths:
         Custom agents are enterprise-defined AI agents stored as markdown files in a special repository.
         An enterprise admin configures one organization as the "source" for custom agents and
         Copilot CLI client settings, and that org must have a repo named `.github-private` containing agent
-        definitions in `/agents/*.md`, or enterprise-managed AI standards in `.github/copilot/settings.json`. [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).
+        definitions in `/agents/*.md`, or enterprise-managed AI standards in `copilot/managed-settings.json` (with fallback to `.github/copilot/settings.json`). [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).
 
         Enterprise owners with read access to AI Controls can use this endpoint.
 
diff --git a/descriptions/ghec/dereferenced/ghec.2026-03-10.deref.json b/descriptions/ghec/dereferenced/ghec.2026-03-10.deref.json
index 8f58e36d93..818b4c756a 100644
--- a/descriptions/ghec/dereferenced/ghec.2026-03-10.deref.json
+++ b/descriptions/ghec/dereferenced/ghec.2026-03-10.deref.json
@@ -46835,7 +46835,7 @@
     "/enterprises/{enterprise}/copilot/custom-agents/source": {
       "get": {
         "summary": "Get the source organization for custom agents in an enterprise",
-        "description": "Gets the organization and repository configured as the source for custom agent definitions and Copilot CLI client settings in an enterprise.\n\nCustom agents are enterprise-defined AI agents stored as markdown files in a special repository.\nAn enterprise admin configures one organization as the \"source\" for custom agents and\nCopilot CLI client settings, and that org must have a repo named `.github-private` containing agent\ndefinitions in `/agents/*.md`, or enterprise-managed AI standards in `.github/copilot/settings.json`. [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).\n\nEnterprise owners with read access to AI Controls can use this endpoint.\n\nOAuth app tokens and personal access tokens (classic) need the `admin:enterprise` scope to use this endpoint.\n",
+        "description": "Gets the organization and repository configured as the source for custom agent definitions and Copilot CLI client settings in an enterprise.\n\nCustom agents are enterprise-defined AI agents stored as markdown files in a special repository.\nAn enterprise admin configures one organization as the \"source\" for custom agents and\nCopilot CLI client settings, and that org must have a repo named `.github-private` containing agent\ndefinitions in `/agents/*.md`, or enterprise-managed AI standards in `copilot/managed-settings.json` (with fallback to `.github/copilot/settings.json`). [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).\n\nEnterprise owners with read access to AI Controls can use this endpoint.\n\nOAuth app tokens and personal access tokens (classic) need the `admin:enterprise` scope to use this endpoint.\n",
         "tags": [
           "copilot"
         ],
diff --git a/descriptions/ghec/dereferenced/ghec.2026-03-10.deref.yaml b/descriptions/ghec/dereferenced/ghec.2026-03-10.deref.yaml
index 0ee53a0762..0f27afffff 100644
--- a/descriptions/ghec/dereferenced/ghec.2026-03-10.deref.yaml
+++ b/descriptions/ghec/dereferenced/ghec.2026-03-10.deref.yaml
@@ -19196,7 +19196,7 @@ paths:
         Custom agents are enterprise-defined AI agents stored as markdown files in a special repository.
         An enterprise admin configures one organization as the "source" for custom agents and
         Copilot CLI client settings, and that org must have a repo named `.github-private` containing agent
-        definitions in `/agents/*.md`, or enterprise-managed AI standards in `.github/copilot/settings.json`. [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).
+        definitions in `/agents/*.md`, or enterprise-managed AI standards in `copilot/managed-settings.json` (with fallback to `.github/copilot/settings.json`). [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).
 
         Enterprise owners with read access to AI Controls can use this endpoint.
 
diff --git a/descriptions/ghec/dereferenced/ghec.deref.json b/descriptions/ghec/dereferenced/ghec.deref.json
index fabe90d6bc..d5b97eff98 100644
--- a/descriptions/ghec/dereferenced/ghec.deref.json
+++ b/descriptions/ghec/dereferenced/ghec.deref.json
@@ -47397,7 +47397,7 @@
     "/enterprises/{enterprise}/copilot/custom-agents/source": {
       "get": {
         "summary": "Get the source organization for custom agents in an enterprise",
-        "description": "Gets the organization and repository configured as the source for custom agent definitions and Copilot CLI client settings in an enterprise.\n\nCustom agents are enterprise-defined AI agents stored as markdown files in a special repository.\nAn enterprise admin configures one organization as the \"source\" for custom agents and\nCopilot CLI client settings, and that org must have a repo named `.github-private` containing agent\ndefinitions in `/agents/*.md`, or enterprise-managed AI standards in `.github/copilot/settings.json`. [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).\n\nEnterprise owners with read access to AI Controls can use this endpoint.\n\nOAuth app tokens and personal access tokens (classic) need the `admin:enterprise` scope to use this endpoint.\n",
+        "description": "Gets the organization and repository configured as the source for custom agent definitions and Copilot CLI client settings in an enterprise.\n\nCustom agents are enterprise-defined AI agents stored as markdown files in a special repository.\nAn enterprise admin configures one organization as the \"source\" for custom agents and\nCopilot CLI client settings, and that org must have a repo named `.github-private` containing agent\ndefinitions in `/agents/*.md`, or enterprise-managed AI standards in `copilot/managed-settings.json` (with fallback to `.github/copilot/settings.json`). [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).\n\nEnterprise owners with read access to AI Controls can use this endpoint.\n\nOAuth app tokens and personal access tokens (classic) need the `admin:enterprise` scope to use this endpoint.\n",
         "tags": [
           "copilot"
         ],
diff --git a/descriptions/ghec/dereferenced/ghec.deref.yaml b/descriptions/ghec/dereferenced/ghec.deref.yaml
index 5c7939e1a7..89c810bb86 100644
--- a/descriptions/ghec/dereferenced/ghec.deref.yaml
+++ b/descriptions/ghec/dereferenced/ghec.deref.yaml
@@ -19398,7 +19398,7 @@ paths:
         Custom agents are enterprise-defined AI agents stored as markdown files in a special repository.
         An enterprise admin configures one organization as the "source" for custom agents and
         Copilot CLI client settings, and that org must have a repo named `.github-private` containing agent
-        definitions in `/agents/*.md`, or enterprise-managed AI standards in `.github/copilot/settings.json`. [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).
+        definitions in `/agents/*.md`, or enterprise-managed AI standards in `copilot/managed-settings.json` (with fallback to `.github/copilot/settings.json`). [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).
 
         Enterprise owners with read access to AI Controls can use this endpoint.
 
diff --git a/descriptions/ghec/ghec.2022-11-28.json b/descriptions/ghec/ghec.2022-11-28.json
index 33263a3628..d27df9f6a7 100644
--- a/descriptions/ghec/ghec.2022-11-28.json
+++ b/descriptions/ghec/ghec.2022-11-28.json
@@ -12793,7 +12793,7 @@
     "/enterprises/{enterprise}/copilot/custom-agents/source": {
       "get": {
         "summary": "Get the source organization for custom agents in an enterprise",
-        "description": "Gets the organization and repository configured as the source for custom agent definitions and Copilot CLI client settings in an enterprise.\n\nCustom agents are enterprise-defined AI agents stored as markdown files in a special repository.\nAn enterprise admin configures one organization as the \"source\" for custom agents and\nCopilot CLI client settings, and that org must have a repo named `.github-private` containing agent\ndefinitions in `/agents/*.md`, or enterprise-managed AI standards in `.github/copilot/settings.json`. [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).\n\nEnterprise owners with read access to AI Controls can use this endpoint.\n\nOAuth app tokens and personal access tokens (classic) need the `admin:enterprise` scope to use this endpoint.\n",
+        "description": "Gets the organization and repository configured as the source for custom agent definitions and Copilot CLI client settings in an enterprise.\n\nCustom agents are enterprise-defined AI agents stored as markdown files in a special repository.\nAn enterprise admin configures one organization as the \"source\" for custom agents and\nCopilot CLI client settings, and that org must have a repo named `.github-private` containing agent\ndefinitions in `/agents/*.md`, or enterprise-managed AI standards in `copilot/managed-settings.json` (with fallback to `.github/copilot/settings.json`). [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).\n\nEnterprise owners with read access to AI Controls can use this endpoint.\n\nOAuth app tokens and personal access tokens (classic) need the `admin:enterprise` scope to use this endpoint.\n",
         "tags": [
           "copilot"
         ],
diff --git a/descriptions/ghec/ghec.2022-11-28.yaml b/descriptions/ghec/ghec.2022-11-28.yaml
index c0744a3bab..f760f0da18 100644
--- a/descriptions/ghec/ghec.2022-11-28.yaml
+++ b/descriptions/ghec/ghec.2022-11-28.yaml
@@ -9421,7 +9421,7 @@ paths:
         Custom agents are enterprise-defined AI agents stored as markdown files in a special repository.
         An enterprise admin configures one organization as the "source" for custom agents and
         Copilot CLI client settings, and that org must have a repo named `.github-private` containing agent
-        definitions in `/agents/*.md`, or enterprise-managed AI standards in `.github/copilot/settings.json`. [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).
+        definitions in `/agents/*.md`, or enterprise-managed AI standards in `copilot/managed-settings.json` (with fallback to `.github/copilot/settings.json`). [Learn more about configuring enterprise-managed AI standards for Copilot clients](https://docs.github.com/enterprise-cloud@latest/copilot/how-tos/administer-copilot/manage-for-enterprise/manage-agents/configure-enterprise-plugin-standards).
 
         Enterprise owners with read access to AI Controls can use this endpoint.
 
diff --git a/descriptions/ghec/ghec.2026-03-10.json b/descriptions/ghec/ghec.2026-03-10.json
index aa59368504..56787e6f52 100644
--- a/descriptions/ghec/ghec.2026-03-10.json
+++ b/descriptions/ghec/ghec.2026-03-10.json
@@ -12793,7 +12793,7 @@
     "/enterprises/{enterprise}/copilot/custom-agents/source": {
       "get": {
         "summary": "Get the source organization for custom agents in an enter{"code":"deadline_exceeded","msg":"operation timed out"}