Update Agent Builder landing page and get-started

explore-analyze/ai-features/agent-builder/get-started.md

@@ -29,13 +29,18 @@
 
 :::{applies-item} { "serverless": "ga", "elasticsearch" }
 
-{{agent-builder}} is enabled by default in serverless {{es}} projects.
+{{agent-builder}} is enabled by default in serverless {{es}} projects. You can access it from multiple entry points in the UI:
 
-Find **Agents** in the navigation menu to begin using the feature, or search for **Agents** in the [global search field](/explore-analyze/find-and-organize/find-apps-and-objects.md).
+- Select the **Agent Builder** card on the {{es}} home page.
+- Click **Agents** in the navigation menu.
+- Click the **AI Agent** button in the top-right header to start a conversation from any page.
+- Open the **Agent builder** API tutorial from the {{kib}} **Getting started** page, under **Explore the API**.
+
+You can also search for **Agents** in the [global search field](/explore-analyze/find-and-organize/find-apps-and-objects.md).
 
 :::
 
 :::{applies-item} { "serverless": "preview", "observability" }
 
 In {{product.observability}} projects, you must [switch from AI Assistant to Agent Builder](/explore-analyze/ai-features/ai-chat-experiences/ai-agent-or-ai-assistant.md#switch-between-chat-experiences) to enable the feature.
 
@@ -55,11 +60,15 @@
 
 On non-serverless deployments, {{agent-builder}} availability depends on the navigation mode of your {{kib}} space:
 
-- **{{es}} solution view**: {{agent-builder}} is enabled by default and appears in the side navigation. It replaces Search Assistant.
-- **{{product.observability}} and {{product.security}} solution views**: You must [switch from AI Assistant to Agent Builder](/explore-analyze/ai-features/ai-chat-experiences/ai-agent-or-ai-assistant.md#switch-between-chat-experiences) to enable the feature.
+- **{{es}} solution view**: {{agent-builder}} is enabled by default, replacing Search Assistant. You can access it from multiple entry points:
+    - Select the **Agent Builder** card on the {{es}} home page.
+    - Click **Agents** in the navigation menu.
+    - Click the **AI Agent** button in the top-right header to start a conversation from any page.
+    - Open the **Agent builder** API tutorial from the {{kib}} **Getting started** page, under **Explore the API**.
+- **{{product.observability}} and {{product.security}} solution views**: You must [switch from AI Assistant to Agent Builder](/explore-analyze/ai-features/ai-chat-experiences/ai-agent-or-ai-assistant.md#switch-between-chat-experiences) to enable the feature. Once enabled, find **Agents** in the navigation menu.
 - **Classic view**: {{agent-builder}} appears in the side navigation under {{es}}. You can choose Agent Builder as your assistant through the initial selector or the [chat experience switch](/explore-analyze/ai-features/ai-chat-experiences/ai-agent-or-ai-assistant.md#switch-between-chat-experiences).
 
-Find **Agents** in the navigation menu to begin using the feature, or search for **Agents** in the [global search field](/explore-analyze/find-and-organize/find-apps-and-objects.md).
+You can also search for **Agents** in the [global search field](/explore-analyze/find-and-organize/find-apps-and-objects.md).
 
 :::
 
@@ -73,23 +82,30 @@
 
 ::::{step} Ingest data into Elasticsearch
 
-Before you begin with agents, you need some data in {{es}}. Otherwise, you will be chatting to the underlying LLM without any retrieval-augmented context.
+If you already have data in {{es}}, skip ahead to [start a conversation](#start-a-conversation).
 
-To learn about adding data for search use cases, go to [](/solutions/search/ingest-for-search.md).
-For a broader overview of ingestion options, go to [](/manage-data/ingest.md).
+If you need to add data first, choose the path that fits:
 
-:::{tip}
-If you're not ready to add your own data, you can:
-- Use the Elastic [sample data](/manage-data/ingest/sample-data.md).
-- Generate synthetic financial data using [this Python tool](https://github.com/jeffvestal/synthetic-financial-data?tab=readme-ov-file#synthetic-financial-data-generator-).  (This requires your [{{es}} URL and an API key](/solutions/elasticsearch-solution-project/search-connection-details.md)).
-- Follow the [{{agent-builder}} API tutorial](agent-builder-api-tutorial.md), which includes sample book data and walks you through creating custom tools and agents programmatically.
-:::
+**Use sample data**
+
+If you're not ready to add your own data, you can:
+
+- Load [sample data](/manage-data/ingest/sample-data.md) in {{kib}}.
+- Generate synthetic financial data using [this Python tool](https://github.com/jeffvestal/synthetic-financial-data?tab=readme-ov-file#synthetic-financial-data-generator-). (This requires your [{{es}} URL and an API key](/solutions/elasticsearch-solution-project/search-connection-details.md)).
+- Follow the [{{agent-builder}} API tutorial](agent-builder-api-tutorial.md), which includes sample book data.
+
+**Bring your own data**
+
+If you already have data, you can:
+
+- [Upload a file](/manage-data/ingest/upload-data-files.md) in the {{kib}} UI for quick testing.
+- Learn about your [ingestion options](/manage-data/ingest.md) if you'd like to ingest larger datasets.
 
 ::::
 
 ::::{step} Start a conversation
 
-The **Agent Chat** UI provides a conversational interface where you can interact with agents and explore your data using natural language. A default agent is available to chat with immediately.
+The **Agent Chat** UI provides a conversational interface where you can interact with agents and explore your data using natural language. The default `Elastic AI Agent` is ready to use immediately.
 
 Learn more in [Agent Chat](chat.md).
 
@@ -103,7 +119,7 @@
 
 ::::{step} Begin building agents and tools
 
-Once you've tested [built-in agents](builtin-agents-reference.md) with [built-in Elastic tools](tools.md), you can begin [building your own agents](custom-agents.md#create-a-new-agent) with custom instructions and [creating your own tools](tools/custom-tools.md#create-custom-tools-in-the-ui) to assign them.
+Once you've tested [built-in agents](builtin-agents-reference.md) with [built-in Elastic tools](tools.md), you can begin [building your own agents](custom-agents.md#create-a-new-agent) with custom instructions and [creating your own tools](tools/custom-tools.md#create-custom-tools-in-the-ui) to assign them. You can also clone the default `Elastic AI Agent` as a starting point for a custom agent.
 
 To build agents and tools programmatically, try the [{{agent-builder}} API tutorial](agent-builder-api-tutorial.md) or explore the [Kibana APIs](programmatic-access.md).
 

explore-analyze/ai-features/elastic-agent-builder.md

@@ -13,7 +13,7 @@ products:
 
 # {{agent-builder}}
 
-{{agent-builder}} combines large language models with Elastic-native features for prompt engineering, context engineering, and automation. Key use cases enabled by Agent Builder include:
+{{agent-builder}} is an AI conversational platform that lets you create AI agents that answer questions and take actions over your {{es}} data using natural language. Agents combine LLM reasoning and context engineering with built-in and custom tools that query your indices, so responses are grounded in your data. Key use cases include:
 
 - **Chat with your {{es}} data immediately** using the chat interface, preconfigured agents, and built-in tools available out of the box.
 - **Build custom agents and tools** tailored to your specific use cases using the UI or APIs.