add link in agents tn

Author: PatrickFarley

articles/ai-foundry/responsible-ai/agents/transparency-note.md

@@ -108,6 +108,7 @@ Developers can connect an Agent to external systems, APIs, and services through
 * **Azure Functions** (a tool that enables an Agent to execute serverless code for synchronous, asynchronous, long-running, and event-driven actions)
 * **OpenAPI 3.0 specified tools** (a custom function defined with OpenAPI 3.0 specification to connect an Agent to external OpenAPI-based APIs securely)
 * **Model Context Protocol tools** (a custom service connected via Model Context Protocol through an existing remote MCP server to an Agent). 
+* **Deep Research tool**: (a tool that enables multi-step web-based research with the o3-deep-research model and Grounding with Bing Search.).
 
 #### Orchestrating multi-agent systems
 
@@ -128,6 +129,7 @@ Azure AI Agent Service is **flexible and use-case agnostic.** This presents mult
 * **Government: Citizen Request Triage and Community Event Coordination:** A city clerk uses an agent to categorize incoming service requests (for example, pothole repairs), assign them to the right departments, and compile simple status updates; officials review and finalize communications to maintain transparency and accuracy.
 * **Education: Assisting with Research and Reference Gathering:** A teacher relies on an agent to gather age-appropriate articles and resources from reputable sources for a planetary science lesson; the teacher verifies the materials for factual accuracy and adjusts them to fit the curriculum, ensuring students receive trustworthy content.
 * **Manufacturing: Inventory Oversight and Task Scheduling:** A factory supervisor deploys an agent to monitor inventory levels, schedule restocking when supplies run low, and optimize shift rosters; management confirms the agent’s suggestions and retains final decision-making authority.
+* **Deep research**: See the deep research section of the [Azure OpenAI transparency note](../openai/transparency-note.md#deep-research-use-cases) for examples of use cases for the deep research tool.
 
 Agent code samples have specific intended uses that are configurable by developers to carefully build upon, implement, and deploy agents. See [list of Agent code samples](/azure/ai-services/agents/how-to/agent-catalog#view-all-available-code-samples).