Add AITool.GetService - #6830
#6830Merged
stephentoub merged 3 commits intoSep 24, 2025
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Add AITool.GetService#6830stephentoub merged 3 commits intodotnet:maindotnet/extensions:mainfrom stephentoub:aitoolgetservicestephentoub/extensions:aitoolgetserviceCopy head branch name to clipboard
stephentoub merged 3 commits into
dotnet:maindotnet/extensions:mainfrom
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Pull Request Overview
This PR adds a GetService method to the AITool base class to enable retrieval of services from tools, including the ability to reach through delegating tool layers to access inner services. This follows a consistent pattern used elsewhere in the Microsoft.Extensions.AI library.
- Added
GetServicemethod with both generic and non-generic overloads toAIToolbase class - Updated delegating classes to forward
GetServicecalls to their inner implementations - Modified existing code to use the new service retrieval pattern instead of direct type checking
Reviewed Changes
Copilot reviewed 9 out of 9 changed files in this pull request and generated 2 comments.
Show a summary per file
| File | Description |
|---|---|
| src/Libraries/Microsoft.Extensions.AI.Abstractions/Tools/AITool.cs | Adds the core GetService functionality to the AITool base class |
| src/Libraries/Microsoft.Extensions.AI.Abstractions/Functions/DelegatingAIFunction.cs | Implements GetService delegation to inner function |
| src/Libraries/Microsoft.Extensions.AI.Abstractions/Functions/DelegatingAIFunctionDeclaration.cs | Implements GetService delegation to inner function declaration |
| src/Libraries/Microsoft.Extensions.AI/ChatCompletion/FunctionInvokingChatClient.cs | Updates approval-required function detection to use GetService pattern |
| src/Libraries/Microsoft.Extensions.AI.OpenAI/OpenAIResponsesChatClient.cs | Implements GetService in ResponseToolAITool to expose wrapped ResponseTool |
| test/Libraries/Microsoft.Extensions.AI.Abstractions.Tests/Tools/AIToolTests.cs | Adds comprehensive tests for the new GetService functionality |
| test/Libraries/Microsoft.Extensions.AI.Abstractions.Tests/Functions/DelegatingAIFunctionTests.cs | Tests GetService delegation in DelegatingAIFunction |
| test/Libraries/Microsoft.Extensions.AI.OpenAI.Tests/OpenAIConversionTests.cs | Tests GetService functionality with ResponseTool wrapping |
| src/Libraries/Microsoft.Extensions.AI.Abstractions/Microsoft.Extensions.AI.Abstractions.json | Updates API surface documentation for new methods |
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Following the same pattern as elsewhere in M.E.AI, this enables a consumer to reach through layers of delegating tools to grab information from inner ones, such as whether they were marked as requiring approval.
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Following the same pattern as elsewhere in M.E.AI, this enables a consumer to reach through layers of delegating tools to grab information from inner ones, such as whether they were marked as requiring approval.
This was referenced Oct 14, 2025
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Following the same pattern as elsewhere in M.E.AI, this enables a consumer to reach through layers of delegating tools to grab information from inner ones, such as whether they were marked as requiring approval.
cc: @westey-m, @rogerbarreto
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