Crate adk_rs 

adk-rs — Rust port of the Google Agent Development Kit.

This crate is a single, feature-gated front door over what was originally a workspace of 17 sub-crates. See the README for a guided tour.

Re-exports

pub use agents::BaseAgent;

pub use agents::LlmAgent;

pub use agents::LoopAgent;

pub use agents::ParallelAgent;

pub use agents::SequentialAgent;

pub use error::Error;

pub use error::Result;

pub use runner::Runner;

pub use tools::Tool;

Modules

a2a

Agent-to-Agent (A2A) JSON-RPC protocol — client, server, and task persistence.

agents

Agent abstractions for adk-rs.

auth

Authentication subsystem.

cli

Library scaffolding for the adk CLI.

code_exec

Code-execution subsystem (feature = "code-exec").

core

Core types and service traits for adk-rs.

error

Crate-wide Error and Result types for the adk-rs workspace.

eval

Evaluation framework for adk-rs.

genai_types

Wire-neutral generative-AI types used throughout adk-rs.

mcp

MCP (Model Context Protocol) client + McpToolset.

providers

LLM providers. Each provider is gated behind its own cargo feature.

runner

Runner orchestrator for adk-rs.

server

Dev HTTP server (axum) for adk-rs.

services

Pluggable services: session, memory, artifact, and credential.

telemetry

Tracing + OpenTelemetry plumbing for adk-rs.

tools

Tools for adk-rs. Provides the public Tool alias (re-exported from crate::core::DynTool), a FunctionTool wrapper, and built-in tools.

transport_security

Transport-security primitives shared by every outbound HTTP code path.

Macros

before_agent_callback

Macro that turns a regular async fn (or closure that returns a future) into a BeforeAgentCallback-shaped value.

Attribute Macros

tool

#[adk::tool] — see crate docs.