Dynamic Tool Description based on Route Variable in path

[vinitsuri-msft]

Is your feature request related to a problem? Please describe.

We're trying to create an MCP Server Tool on an asp.net server using this SDK.
As a part of this- we'd like a way to support dynamic descriptions of an mcp tool based on a route variable in the path.
Example-
Request path - /{routeVariable1}/mcp
For the tool list call- we'd like to have a tool description generated based on the value of the routeVariable1. A method call like GetToolDescription(IHttpContext context) => "This is the description for {context.GetRouteVariable["routeVariable1"]} tool.

Sample request/responses
Example 1
/routevariable1/mcp/tools/list
--> returns "This is the description for routevariable1 tool.
Example 2
/routevariable2/mcp/tools/list
--> returns "This is the description for routevariable2 tool.
Is the above pattern supported by the C# MCP SDK?
If yes, could you point me to a sample of how we could implement this?

[halter73]

Hi @vinitsuri-msft. I think we chatted off-github about this and I pointed you to the AspNetCoreMcpPerSessionTools which while not exactly what you're looking for is pretty close. Do you mind updating this issue with the code you used to modify the description using the McpServerToolCreateOptions?