Add agent-toolkit feature for installing AWS skills and configuring AI coding agents

.changes/next-release/feature-configure-32033.json

@@ -0,0 +1,5 @@
+{
+  "type": "feature",
+  "category": "``configure``",
+  "description": "Adds the ``agent-toolkit`` and ``aws configure agent-toolkit`` commands, which can be used for configuring your agentic tools with AWS skills and MCP server."
+}

awscli/autocomplete/local/indexer.py

@@ -25,7 +25,14 @@ class ModelIndexer:
         'ddb': 'High level DynamoDB commands',
     }
 
-    _NON_SERVICE_COMMANDS = ['configure', 'history', 'cli-dev', 'login', 'logout']
+    _NON_SERVICE_COMMANDS = [
+        'configure',
+        'history',
+        'cli-dev',
+        'login',
+        'logout',
+        'agent-toolkit',
+    ]
 
     _CREATE_CMD_TABLE = """\
         CREATE TABLE IF NOT EXISTS command_table (

awscli/botocore/data/agenttoolkit/2026-04-22/endpoint-rule-set-1.json

@@ -0,0 +1,60 @@
+{
+    "version": "1.0",
+    "parameters": {
+        "Endpoint": {
+            "type": "String",
+            "builtIn": "SDK::Endpoint",
+            "required": false,
+            "documentation": "Override the endpoint URL"
+        },
+        "Region": {
+            "required": true,
+            "type": "String",
+            "builtIn": "AWS::Region",
+            "documentation": "AWS region"
+        }
+    },
+    "rules": [
+        {
+            "documentation": "Use custom endpoint if provided",
+            "type": "endpoint",
+            "conditions": [
+                {
+                    "fn": "isSet",
+                    "argv": [
+                        {
+                            "ref": "Endpoint"
+                        }
+                    ]
+                }
+            ],
+            "endpoint": {
+                "url": "{Endpoint}"
+            }
+        },
+        {
+            "documentation": "Default endpoint for us-east-1",
+            "type": "endpoint",
+            "conditions": [
+                {
+                    "fn": "stringEquals",
+                    "argv": [
+                        {
+                            "ref": "Region"
+                        },
+                        "us-east-1"
+                    ]
+                }
+            ],
+            "endpoint": {
+                "url": "https://agent-toolkit.us-east-1.api.aws"
+            }
+        },
+        {
+            "documentation": "Error for unsupported regions",
+            "type": "error",
+            "conditions": [],
+            "error": "AgentToolkit is only available in us-east-1"
+        }
+    ]
+}

awscli/botocore/data/agenttoolkit/2026-04-22/paginators-1.json

@@ -0,0 +1,16 @@
+{
+  "pagination": {
+    "ListSkills": {
+      "input_token": "nextToken",
+      "output_token": "nextToken",
+      "limit_key": "maxResults",
+      "result_key": "skills"
+    },
+    "SearchSkills": {
+      "input_token": "nextToken",
+      "output_token": "nextToken",
+      "limit_key": "maxResults",
+      "result_key": "skills"
+    }
+  }
+}