Crate agent_client_protocol 

Structs

AgentCapabilities

Capabilities supported by the agent.

AgentMethodNames

Names of all methods that agents handle.

AgentSide

Marker type representing the agent side of an ACP connection.

AgentSideConnection

An agent-side connection to a client.

Annotations

Optional annotations for the client. The client can use annotations to inform how objects are used or displayed

AudioContent

Audio provided to or from an LLM.

AuthMethod

Describes an available authentication method.

AuthMethodId

Unique identifier for an authentication method.

AuthenticateRequest

Request parameters for the authenticate method.

AuthenticateResponse

Response to authenticate method

AvailableCommand

Information about a command.

BlobResourceContents

Binary resource contents.

CancelNotification

Notification to cancel ongoing operations for a session.

ClientCapabilities

Capabilities supported by the client.

ClientMethodNames

Names of all methods that clients handle.

ClientSide

Marker type representing the client side of an ACP connection.

ClientSideConnection

A client-side connection to an agent.

CreateTerminalRequest

Request to create a new terminal and execute a command.

CreateTerminalResponse

Response containing the ID of the created terminal.

Diff

A diff representing file modifications.

EmbeddedResource

The contents of a resource, embedded into a prompt or tool call result.

EnvVariable

An environment variable to set when launching an MCP server.

Error

JSON-RPC error object.

ErrorCode

Predefined error codes for common JSON-RPC and ACP-specific errors.

ExtNotification

ExtRequest

FileSystemCapability

File system capabilities that a client may support.

HttpHeader

An HTTP header to set when making requests to the MCP server.

ImageContent

An image provided to or from an LLM.

InitializeRequest

Request parameters for the initialize method.

InitializeResponse

Response from the initialize method.

KillTerminalCommandRequest

Request to kill a terminal command without releasing the terminal.

KillTerminalCommandResponse

Response to terminal/kill command method

LoadSessionRequest

Request parameters for loading an existing session.

LoadSessionResponse

Response from loading an existing session.

McpCapabilities

MCP capabilities supported by the agent

NewSessionRequest

Request parameters for creating a new session.

NewSessionResponse

Response from creating a new session.

PermissionOption

An option presented to the user when requesting permission.

PermissionOptionId

Unique identifier for a permission option.

Plan

An execution plan for accomplishing complex tasks.

PlanEntry

A single entry in the execution plan.

PromptCapabilities

Prompt capabilities supported by the agent in session/prompt requests.

PromptRequest

Request parameters for sending a user prompt to the agent.

PromptResponse

Response from processing a user prompt.

ProtocolVersion

Protocol version identifier.

RawValue

Reference to a range of bytes encompassing a single valid JSON value in the input data.

ReadTextFileRequest

Request to read content from a text file.

ReadTextFileResponse

Response containing the contents of a text file.

ReleaseTerminalRequest

Request to release a terminal and free its resources.

ReleaseTerminalResponse

Response to terminal/release method

RequestPermissionRequest

Request for user permission to execute a tool call.

RequestPermissionResponse

Response to a permission request.

ResourceLink

A resource that the server is capable of reading, included in a prompt or tool call result.

SessionId

A unique identifier for a conversation session between a client and agent.

SessionMode

A mode the agent can operate in.

SessionModeId

Unique identifier for a Session Mode.

SessionModeState

The set of modes and the one currently active.

SessionNotification

Notification containing a session update from the agent.

SetSessionModeRequest

Request parameters for setting a session mode.

SetSessionModeResponse

Response to session/set_mode method.

StreamMessage

A message that flows through the RPC stream.

StreamReceiver

A receiver for observing the message stream.

TerminalExitStatus

Exit status of a terminal command.

TerminalId

TerminalOutputRequest

Request to get the current output and status of a terminal.

TerminalOutputResponse

Response containing the terminal output and exit status.

TextContent

Text provided to or from an LLM.

TextResourceContents

Text-based resource contents.

ToolCall

Represents a tool call that the language model has requested.

ToolCallId

Unique identifier for a tool call within a session.

ToolCallLocation

A file location being accessed or modified by a tool.

ToolCallUpdate

An update to an existing tool call.

ToolCallUpdateFields

Optional fields that can be updated in a tool call.

WaitForTerminalExitRequest

Request to wait for a terminal command to exit.

WaitForTerminalExitResponse

Response containing the exit status of a terminal command.

WriteTextFileRequest

Request to write content to a text file.

WriteTextFileResponse

Response to fs/write_text_file

Enums

AgentNotification

All possible notifications that an agent can send to a client.

AgentRequest

All possible requests that an agent can send to a client.

AgentResponse

All possible responses that an agent can send to a client.

AvailableCommandInput

The input specification for a command.

ClientNotification

All possible notifications that a client can send to an agent.

ClientRequest

All possible requests that a client can send to an agent.

ClientResponse

All possible responses that a client can send to an agent.

ContentBlock

Content blocks represent displayable information in the Agent Client Protocol.

EmbeddedResourceResource

Resource content that can be embedded in a message.

McpServer

Configuration for connecting to an MCP (Model Context Protocol) server.

PermissionOptionKind

The type of permission option being presented to the user.

PlanEntryPriority

Priority levels for plan entries.

PlanEntryStatus

Status of a plan entry in the execution flow.

RequestPermissionOutcome

The outcome of a permission request.

Role

The sender or recipient of messages and data in a conversation.

SessionUpdate

Different types of updates that can be sent during session processing.

StopReason

Reasons why an agent stops processing a prompt turn.

StreamMessageContent

The content of a stream message.

StreamMessageDirection

The direction of a message in the RPC stream.

ToolCallContent

Content produced by a tool call.

ToolCallStatus

Execution status of a tool call.

ToolKind

Categories of tools that can be invoked.

Constants

AGENT_METHOD_NAMES

Constant containing all agent method names.

CLIENT_METHOD_NAMES

Constant containing all client method names.

V0

V1

VERSION

Traits

Agent

Defines the interface that all ACP-compliant agents must implement.

Client

Defines the interface that ACP-compliant clients must implement.

Type Aliases

ExtResponse