Some `Azure AI Foundry` prompts do not trigger the corresponding tool as expected

[Menghua1]

Description:
When testing Azure AI Foundry, some test prompts did not trigger the expected tools, as follows:

1. Create a chat completion with the message "Hello, how are you today?

2. Create a completion with the prompt "What is Azure?":

3. Generate embeddings for the text "Azure OpenAI Service":

4. Create vector embeddings for my text using Azure OpenAI:

Steps to Reproduce:

1. Start mcp server in namespaces mode.
2. Open GitHub Copilot in VS Code and switch to Agent mode.
3. Click Refresh on the tools list, and select the Built-in, Extension: Github Copilot for Azure, MCP Server: Microsoft Docs, github MCP server and MCP Server: Azure MCP.
4. Enter test prompts Create a chat completion with the message "Hello, how are you today?

Environment:

• OS: Windows.
• Vscode Version: 1.105
• GitHub Copilot Chat Version: 0.31.3
• Large Language Model: GPT-4.1
• Virtual Tool: On
• Azure MCP Server: 0.8.6

Expected Behavior:
The expected tools were successfully triggered.

@joshfree for notification

[g2vinay]

Thanks for reporting this issue.
I will investigate and update here.