[Observability] Introduce property for tool server name#187
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Pull request overview
This PR introduces a new "ToolServerName" property to the ToolCallDetails class to enable icon mapping at the server (workload) level rather than the individual tool level. This improves UX by eliminating the need for UI changes when new tools are added.
Changes:
- Added optional
toolServerNameparameter toToolCallDetailsclass constructor and corresponding property - Added
GenAiToolServerNameKeyconstant toOpenTelemetryConstantsfor consistent telemetry tagging - Updated
ExecuteToolScopeandExecuteToolDataBuilderto handle the new property - Added comprehensive test coverage for the new functionality
Reviewed changes
Copilot reviewed 7 out of 7 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| src/Observability/Runtime/Tracing/Contracts/ToolCallDetails.cs | Added ToolServerName property, constructor parameter, and updated Equals/GetHashCode/Deconstruct methods |
| src/Observability/Runtime/Tracing/Scopes/OpenTelemetryConstants.cs | Added GenAiToolServerNameKey constant for telemetry attribute |
| src/Observability/Runtime/Tracing/Scopes/ExecuteToolScope.cs | Updated to extract and set the toolServerName tag from ToolCallDetails |
| src/Observability/Runtime/DTOs/Builders/ExecuteToolDataBuilder.cs | Updated to include toolServerName in telemetry attributes |
| src/Tests/Microsoft.Agents.A365.Observability.Runtime.Tests/Tracing/Scopes/ExecuteToolScopeTest.cs | Added test to verify ToolServerName is set correctly in the scope |
| src/Tests/Microsoft.Agents.A365.Observability.Runtime.Tests/DTOs/Builders/ExecuteToolDataBuilderTests.cs | Updated tests to verify toolServerName is included in attributes and omitted when null |
| src/Tests/Microsoft.Agents.A365.Observability.Runtime.IntegrationTests/Agent365ExporterE2ETests.cs | Updated E2E test to validate toolServerName in exported telemetry |
nikhilNava
approved these changes
Jan 20, 2026
juliomenendez
approved these changes
Jan 20, 2026
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Why?
Today the UX map icons at the tool level, which requires UI changes every time a new tool is added. If we log the server name along with the tool name, we can map icons at the server (workload) level instead. This gives us one icon per workload, and tools automatically inherit the correct icon, so new tools work without UI changes.
What?
Introduce a new "ToolServerName" property in ToolCallDetails in the ExecuteTool scope.