Microsoft.Extensions.AI Namespace

Provides a dictionary used as the AdditionalProperties dictionary on Microsoft.Extensions.AI objects.

Provides a dictionary used as the AdditionalProperties dictionary on Microsoft.Extensions.AI objects.

Represents an annotation on content.

Represents content used by AI services.

Represents a function that can be described to an AI service and invoked.

Represents arguments to be used with InvokeAsync(AIFunctionArguments, CancellationToken).

Represents a function that can be described to an AI service.

Provides factory methods for creating commonly-used implementations of AIFunction.

Represents options that can be provided when creating an AIFunction from a method.

Provides options for configuring the behavior of AIJsonUtilities JSON schema creation functionality.

Defines a cache for JSON schemas transformed according to the specified AIJsonSchemaTransformOptions policy.

Provides options for configuring the behavior of AIJsonUtilities JSON schema transformation functionality.

Provides a collection of utility methods for marshalling JSON data.

Represents a tool that can be specified to an AI service.

Describes the portion of an associated AIContent to which an annotation applies.

Represents an AIFunction that can be described to an AI service and invoked, but for which the invoker should obtain user approval before the function is actually invoked.

Indicates that an IChatClient is free to select any of the available tools, or none at all.

Provides extension methods for working with Azure AI Inference.

Represents an embedding composed of a bit vector.

Provides a JsonConverter<T> for serializing BitArray instances.

Represents a delegating chat client that caches the results of chat calls.

Represents a delegating embedding generator that caches the results of embedding generation calls.

A builder for creating pipelines of IChatClient.

Provides extension methods for working with IChatClient in the context of ChatClientBuilder.

Provides a collection of static methods for extending IChatClient instances.

Provides metadata about an IChatClient.

Provides extension methods on IChatClient that simplify working with structured output.

Provides a JsonConverter<T> for serializing ChatFinishReason instances.

Represents a chat message used by an IChatClient.

Represents the options for a chat request.

Represents the response to a chat request.

Represents the response to a chat request with structured output.

Provides extension methods for working with ChatResponse and ChatResponseUpdate instances.

Represents the response format that is desired by the caller.

Represents a response format for structured JSON data.

Represents a response format with no constraints around the format.

Represents a single streaming response chunk from an IChatClient.

Provides a JsonConverter<T> for serializing ChatRole instances.

Describes how tools should be selected by a IChatClient.

Represents an annotation that links content to source references, such as documents, URLs, files, or tool outputs.

Represents a delegating chat client that configures a ChatOptions instance used by the remainder of the pipeline.

Provides extensions for configuring ConfigureOptionsChatClient instances.

Represents a delegating embedding generator that configures a EmbeddingGenerationOptions instance used by the remainder of the pipeline.

Provides extensions for configuring ConfigureOptionsEmbeddingGenerator<TInput,TEmbedding> instances.

Represents a delegating image generator that configures a ImageGenerationOptions instance used by the remainder of the pipeline.

Provides extensions for configuring ConfigureOptionsImageGenerator instances.

Represents a delegating chat client that configures a SpeechToTextOptions instance used by the remainder of the pipeline.

Provides extensions for configuring ConfigureOptionsSpeechToTextClient instances.

Represents binary content with an associated media type (also known as MIME type).

Provides an optional base class for an AIFunction that passes through calls to another instance.

Provides an optional base class for an IChatClient that passes through calls to another instance.

Provides an optional base class for an IEmbeddingGenerator<TInput,TEmbedding> that passes through calls to another instance.

Provides an optional base class for an IImageGenerator that passes through calls to another instance.

Provides an optional base class for an ISpeechToTextClient that passes through calls to another instance.

A delegating chat client that caches the results of response calls, storing them as JSON in an IDistributedCache.

Extension methods for adding a DistributedCachingChatClient to an IChatClient pipeline.

Represents a delegating embedding generator that caches the results of embedding generation calls, storing them as JSON in an IDistributedCache.

Extension methods for adding a DistributedCachingEmbeddingGenerator<TInput,TEmbedding> to an IEmbeddingGenerator<TInput,TEmbedding> pipeline.

Represents an embedding generated by a IEmbeddingGenerator<TInput,TEmbedding>.

Represents an embedding composed of a vector of T values.

Represents the options for an embedding generation request.

A builder for creating pipelines of IEmbeddingGenerator<TInput,TEmbedding>.

Provides extension methods for working with IEmbeddingGenerator<TInput,TEmbedding> in the context of EmbeddingGeneratorBuilder<TInput,TEmbedding>.

Provides a collection of static methods for extending IEmbeddingGenerator<TInput,TEmbedding> instances.

Provides metadata about an IEmbeddingGenerator<TInput,TEmbedding>.

Represents an error.

Represents a request for user approval of a function call.

Represents a response to a function approval request.

Represents a function call request.

Provides context for an in-flight function invocation.

A delegating chat client that invokes functions defined on ChatOptions. Include this in a chat pipeline to resolve function calls automatically.

Provides information about the invocation of a function call.

Provides extension methods for attaching a FunctionInvokingChatClient to a chat pipeline.

Represents the result of a function call.

Represents the result of an operation to generate embeddings.

Represents a hosted tool that can be specified to an AI service to enable it to execute code it generates.

Represents a file that is hosted by the AI service.

Represents a hosted tool that can be specified to an AI service to enable it to perform file search operations.

Represents a hosted MCP server tool that can be specified to an AI service.

Indicates that approval is always required for tool calls to a hosted MCP server.

Describes how approval is required for tool calls to a hosted MCP server.

Indicates that approval is never required for tool calls to a hosted MCP server.

Represents a mode where approval behavior is specified for individual tool names.

Represents a vector store that is hosted by the AI service.

Represents a hosted tool that can be specified to an AI service to enable it to perform web searches.

Represents the options for an image generation request.

Represents a request for image generation.

Represents the result of an image generation request.

A builder for creating pipelines of IImageGenerator.

Provides extension methods for working with IImageGenerator in the context of ImageGeneratorBuilder.

Provides extension methods for IImageGenerator.

Provides metadata about an IImageGenerator.

A delegating chat client that logs chat operations to an ILogger.

Provides extensions for configuring LoggingChatClient instances.

A delegating embedding generator that logs embedding generation operations to an ILogger.

Provides extensions for configuring LoggingEmbeddingGenerator<TInput,TEmbedding> instances.

A delegating image generator that logs image generation operations to an ILogger.

Provides extensions for configuring LoggingImageGenerator instances.

A delegating speech to text client that logs speech to text operations to an ILogger.

Provides extensions for configuring LoggingSpeechToTextClient instances.

Represents a request for user approval of an MCP server tool call.

Represents a response to an MCP server tool approval request.

Represents a tool call request to a MCP server.

Represents the result of a MCP server tool call.

Provides a chat reducer that limits the number of non-system messages in a conversation to a specified maximum count, preserving the most recent messages and the first system message if present.

Indicates that an IChatClient should not request the invocation of any tools.

Provides extension methods for working with OpenAIClients.

Represents a delegating chat client that implements the OpenTelemetry Semantic Conventions for Generative AI systems.

Provides extensions for configuring OpenTelemetryChatClient instances.

Represents a delegating embedding generator that implements the OpenTelemetry Semantic Conventions for Generative AI systems.

Provides extensions for configuring OpenTelemetryEmbeddingGenerator<TInput,TEmbedding> instances.

Represents a delegating image generator that implements the OpenTelemetry Semantic Conventions for Generative AI systems.

Provides extensions for configuring OpenTelemetryImageGenerator instances.

Represents a delegating speech-to-text client that implements the OpenTelemetry Semantic Conventions for Generative AI systems.

Provides extensions for configuring OpenTelemetrySpeechToTextClient instances.

A chat client that reduces the size of a message list.

Provides extension methods for attaching a ReducingChatClient to a chat pipeline.

Represents a mode where a chat tool must be called. This class can optionally nominate a specific function or indicate that any of the functions can be selected.

Represents a token used to resume, continue, or rehydrate an operation across multiple scenarios/calls, such as resuming a streamed response from a specific point or retrieving the result of a background operation. Subclasses of this class encapsulate all necessary information within the token to facilitate these actions.

Provides a JsonConverter<T> for serializing ResponseContinuationToken instances.

A builder for creating pipelines of ISpeechToTextClient.

Provides extension methods for working with ISpeechToTextClient in the context of SpeechToTextClientBuilder.

Extensions for ISpeechToTextClient.

Provides metadata about an ISpeechToTextClient.

Represents the options for an speech to text request.

Represents the result of an speech to text request.

Represents a single streaming response chunk from an ISpeechToTextClient.

Provides extension methods for working with SpeechToTextResponseUpdate instances.

Provides a JsonConverter<T> for serializing SpeechToTextResponseUpdateKind instances.

Provides functionality to reduce a collection of chat messages into a summarized form.

Represents text content in a chat.

Represents text reasoning content in a chat.

Describes a location in the associated AIContent based on starting and ending character indices.

Represents a URL, typically to hosted content such as an image, audio, or video.

Represents usage information associated with a chat request and response.

Provides usage details about a request/response.

Represents a request for user input.

Represents the response to a request for user input.

Enumerates the elements of an AdditionalPropertiesDictionary<TValue>.

Provides configuration options produced by the ConfigureParameterBinding delegate.

Defines the context in which a JSON schema within a type graph is being generated.

Defines the context for transforming a schema node withing a larger schema document.

Represents the reason a chat response completed.

Describes the intended purpose of a message within a chat interaction.

Describes the intended purpose of a specific update during streaming of speech to text updates.

Represents a chat client.

Represents a reducer capable of shrinking the size of a list of chat messages.

Represents a generator of embeddings.

Represents a generator of embeddings.

Represents a generator of images.

Represents a speech to text client.

Provides error codes for when errors occur as part of the function calling loop.

Represents the requested response format of the generated image.